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 #include <dvbsi++/video_stream_descriptor.h>
  20 #include <dvbsi++/registration_descriptor.h>
  21
  22 eDVBServicePMTHandler::eDVBServicePMTHandler()
  23         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  24 {
  25         m_use_decode_demux = 0;
  26         m_pmt_pid = -1;
  27         eDVBResourceManager::getInstance(m_resourceManager);
  28         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  29         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  30 }
  31
  32 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  33 {
  34         free();
  35 }
  36
  37 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  38 {
  39         int state;
  40         channel->getState(state);
  41
  42         if ((m_last_channel_state != iDVBChannel::state_ok)
  43                 && (state == iDVBChannel::state_ok) && (!m_demux))
  44         {
  45                 if (m_channel)
  46                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  47                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  48
  49                 serviceEvent(eventTuned);
  50
  51                 if (m_demux)
  52                 {
  53                         eDebug("ok ... now we start!!");
  54
  55                         if (!m_service || m_service->usePMT())
  56                         {
  57                                 if (m_pmt_pid == -1)
  58                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  59                                 else
  60                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  61                         }
  62
  63                         if ( m_service && !m_service->cacheEmpty() )
  64                                 serviceEvent(eventNewProgramInfo);
  65                 }
  66         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  67                         (state == iDVBChannel::state_failed))
  68         {
  69                 eDebug("tune failed.");
  70                 serviceEvent(eventTuneFailed);
  71         }
  72 }
  73
  74 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  75 {
  76         switch (event)
  77         {
  78         case iDVBChannel::evtPreStart:
  79                 serviceEvent(eventPreStart);
  80                 break;
  81         case iDVBChannel::evtEOF:
  82                 serviceEvent(eventEOF);
  83                 break;
  84         case iDVBChannel::evtSOF:
  85                 serviceEvent(eventSOF);
  86                 break;
  87         default:
  88                 break;
  89         }
  90 }
  91
  92 void eDVBServicePMTHandler::PMTready(int error)
  93 {
  94         if (error)
  95                 serviceEvent(eventNoPMT);
  96         else
  97         {
  98                 m_have_cached_program = false;
  99                 serviceEvent(eventNewProgramInfo);
 100                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
 101                 {
 102                         eEPGCache::getInstance()->PMTready(this);
 103                         if(!m_ca_servicePtr)
 104                         {
 105                                 int demuxes[2] = {0,0};
 106                                 uint8_t tmp;
 107                                 m_demux->getCADemuxID(tmp);
 108                                 demuxes[0]=tmp;
 109                                 if (m_decode_demux_num != 0xFF)
 110                                         demuxes[1]=m_decode_demux_num;
 111                                 else
 112                                         demuxes[1]=demuxes[0];
 113                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 114                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 115                         }
 116                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 117                 }
 118                 if (m_ca_servicePtr)
 119                 {
 120                         ePtr<eTable<ProgramMapSection> > ptr;
 121                         if (!m_PMT.getCurrent(ptr))
 122                                 m_ca_servicePtr->buildCAPMT(ptr);
 123                         else
 124                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 125                 }
 126         }
 127 }
 128
 129 void eDVBServicePMTHandler::PATready(int)
 130 {
 131         ePtr<eTable<ProgramAssociationSection> > ptr;
 132         if (!m_PAT.getCurrent(ptr))
 133         {
 134                 int pmtpid = -1;
 135                 std::vector<ProgramAssociationSection*>::const_iterator i;
 136                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 137                 {
 138                         const ProgramAssociationSection &pat = **i;
 139                         ProgramAssociationConstIterator program;
 140                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 141                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 142                                         pmtpid = (*program)->getProgramMapPid();
 143                 }
 144                 if (pmtpid == -1)
 145                         serviceEvent(eventNoPATEntry);
 146                 else
 147                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 148         } else
 149                 serviceEvent(eventNoPAT);
 150 }
 151
 152 PyObject *eDVBServicePMTHandler::getCaIds(bool pair)
 153 {
 154         ePyObject ret;
 155
 156         program prog;
 157
 158         if ( !getProgramInfo(prog) )
 159         {
 160                 int cnt=prog.caids.size();
 161                 if (cnt)
 162                 {
 163                         ret=PyList_New(cnt);
 164                         std::set<program::capid_pair>::iterator it(prog.caids.begin());
 165                         if (pair)
 166                         {
 167                                 while(cnt--)
 168                                 {
 169                                         ePyObject tuple = PyTuple_New(2);
 170                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(it->caid));
 171                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong((it++)->capid));
 172                                         PyList_SET_ITEM(ret, cnt, tuple);
 173                                 }
 174                         }
 175                         else
 176                         {
 177                                 while(cnt--)
 178                                         PyList_SET_ITEM(ret, cnt, PyInt_FromLong((it++)->caid));
 179                         }
 180                 }
 181         }
 182
 183         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 184 }
 185
 186 int eDVBServicePMTHandler::getProgramInfo(program &program)
 187 {
 188         ePtr<eTable<ProgramMapSection> > ptr;
 189         int cached_apid_ac3 = -1;
 190         int cached_apid_mpeg = -1;
 191         int cached_vpid = -1;
 192         int cached_tpid = -1;
 193         int ret = -1;
 194
 195         program.videoStreams.clear();
 196         program.audioStreams.clear();
 197         program.pcrPid = -1;
 198         program.pmtPid = -1;
 199         program.textPid = -1;
 200
 201         int first_ac3 = -1;
 202         program.defaultAudioStream = 0;
 203         audioStream *prev_audio = 0;
 204
 205         if ( m_service && !m_service->cacheEmpty() )
 206         {
 207                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 208                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 209                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 210                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 211         }
 212
 213         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 214         {
 215                 if (m_have_cached_program)
 216                 {
 217                         program = m_cached_program;
 218                         ret = 0;
 219                 }
 220                 else
 221                 {
 222                         eDVBTableSpec table_spec;
 223                         ptr->getSpec(table_spec);
 224                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 225                         std::vector<ProgramMapSection*>::const_iterator i;
 226                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 227                         {
 228                                 const ProgramMapSection &pmt = **i;
 229                                 program.pcrPid = pmt.getPcrPid();
 230
 231                                 ElementaryStreamInfoConstIterator es;
 232                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 233                                 {
 234                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 235                                         int streamtype = (*es)->getType();
 236                                         videoStream video;
 237                                         audioStream audio;
 238                                         audio.component_tag=video.component_tag=-1;
 239                                         video.type = videoStream::vtMPEG2;
 240                                         audio.type = audioStream::atMPEG;
 241                                         audio.rdsPid = -1;
 242
 243                                         switch (streamtype)
 244                                         {
 245                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 246                                                 video.type = videoStream::vtMPEG4_H264;
 247                                                 isvideo = 1;
 248                                                 //break; fall through !!!
 249                                         case 0x10: // MPEG 4 Part 2
 250                                                 if (!isvideo)
 251                                                 {
 252                                                         video.type = videoStream::vtMPEG4_Part2;
 253                                                         isvideo = 1;
 254                                                 }
 255                                                 //break; fall through !!!
 256                                         case 0x01: // MPEG 1 video
 257                                                 if (!isvideo)
 258                                                         video.type = videoStream::vtMPEG1;
 259                                                 //break; fall through !!!
 260                                         case 0x02: // MPEG 2 video
 261                                                 isvideo = 1;
 262                                                 forced_video = 1;
 263                                                 //break; fall through !!!
 264                                         case 0x03: // MPEG 1 audio
 265                                         case 0x04: // MPEG 2 audio:
 266                                                 if (!isvideo) {
 267                                                         isaudio = 1;
 268                                                         forced_audio = 1;
 269                                                 }
 270                                                 //break; fall through !!!
 271                                         case 0x0f: // MPEG 2 AAC
 272                                                 if (!isvideo && !isaudio)
 273                                                 {
 274                                                         isaudio = 1;
 275                                                         audio.type = audioStream::atAAC;
 276                                                         forced_audio = 1;
 277                                                 }
 278                                                 //break; fall through !!!
 279                                         case 0x11: // MPEG 4 AAC
 280                                                 if (!isvideo && !isaudio)
 281                                                 {
 282                                                         isaudio = 1;
 283                                                         audio.type = audioStream::atAACHE;
 284                                                         forced_audio = 1;
 285                                                 }
 286                                         case 0x80: // user private ... but blueray LPCM
 287                                                 if (!isvideo && !isaudio)
 288                                                 {
 289                                                         isaudio = 1;
 290                                                         audio.type = audioStream::atLPCM;
 291                                                 }
 292                                         case 0x81: // user private ... but blueray AC3
 293                                                 if (!isvideo && !isaudio)
 294                                                 {
 295                                                         isaudio = 1;
 296                                                         audio.type = audioStream::atAC3;
 297                                                 }
 298                                         case 0x82: // Blueray DTS (dvb user private...)
 299                                         case 0xA2: // Blueray secondary DTS
 300                                                 if (!isvideo && !isaudio)
 301                                                 {
 302                                                         isaudio = 1;
 303                                                         audio.type = audioStream::atDTS;
 304                                                 }
 305                                         case 0x06: // PES Private
 306                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 307                                         {
 308                                                 int num_descriptors = 0;
 309                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 310                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 311                                                 {
 312                                                         uint8_t tag = (*desc)->getTag();
 313                                                         /* check descriptors to get the exakt stream type. */
 314                                                         ++num_descriptors;
 315                                                         if (!forced_video && !forced_audio)
 316                                                         {
 317                                                                 switch (tag)
 318                                                                 {
 319                                                                 case AUDIO_STREAM_DESCRIPTOR:
 320                                                                         isaudio = 1;
 321                                                                         break;
 322                                                                 case VIDEO_STREAM_DESCRIPTOR:
 323                                                                 {
 324                                                                         isvideo = 1;
 325                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 326                                                                         if (d->getMpeg1OnlyFlag())
 327                                                                                 video.type = videoStream::vtMPEG1;
 328                                                                         break;
 329                                                                 }
 330                                                                 case SUBTITLING_DESCRIPTOR:
 331                                                                 {
 332                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 333                                                                         const SubtitlingList *list = d->getSubtitlings();
 334                                                                         subtitleStream s;
 335                                                                         s.pid = (*es)->getPid();
 336                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 337                                                                         {
 338                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 339                                                                                 switch(s.subtitling_type)
 340                                                                                 {
 341                                                                                 case 0x10 ... 0x13:
 342                                                                                 case 0x20 ... 0x23: // dvb subtitles
 343                                                                                         break;
 344                                                                                 default:
 345                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 346                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 347                                                                                         s.subtitling_type = 0x10;
 348                                                                                         break;
 349                                                                                 }
 350                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 351                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 352                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 353 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 354 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 355                                                                                 issubtitle=1;
 356                                                                                 program.subtitleStreams.push_back(s);
 357                                                                         }
 358                                                                         break;
 359                                                                 }
 360                                                                 case TELETEXT_DESCRIPTOR:
 361                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 362                                                                         {
 363                                                                                 subtitleStream s;
 364                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 365                                                                                 s.pid = program.textPid = (*es)->getPid();
 366                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 367                                                                                 isteletext = 1;
 368                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 369                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 370                                                                                 {
 371                                                                                         switch((*it)->getTeletextType())
 372                                                                                         {
 373                                                                                         case 0x02: // Teletext subtitle page
 374                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 375                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 376                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 377                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 378 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 379 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 380                                                                                                 program.subtitleStreams.push_back(s);
 381                                                                                                 issubtitle=1;
 382                                                                                         default:
 383                                                                                                 break;
 384                                                                                         }
 385                                                                                 }
 386                                                                         }
 387                                                                         break;
 388                                                                 case DTS_DESCRIPTOR:
 389                                                                         isaudio = 1;
 390                                                                         audio.type = audioStream::atDTS;
 391                                                                         break;
 392                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 393                                                                         isaudio = 1;
 394                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 395                                                                         break;
 396                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 397                                                                 case AAC_DESCRIPTOR:
 398                                                                         isaudio = 1;
 399                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 400                                                                         break;
 401                                                                 case AC3_DESCRIPTOR:
 402                                                                         isaudio = 1;
 403                                                                         audio.type = audioStream::atAC3;
 404                                                                         break;
 405                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 406                                                                 {
 407                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 408                                                                         switch (d->getFormatIdentifier())
 409                                                                         {
 410                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 411                                                                                 isaudio = 1;
 412                                                                                 audio.type = audioStream::atDTS;
 413                                                                                 break;
 414                                                                         case 0x41432d33: // == 'AC-3'
 415                                                                                 isaudio = 1;
 416                                                                                 audio.type = audioStream::atAC3;
 417                                                                                 break;
 418                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 419                                                                                 isaudio = 1;
 420                                                                                 audio.type = audioStream::atLPCM;
 421                                                                                 break;
 422                                                                         case 0x56432d31: // == 'VC-1'
 423                                                                         {
 424                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 425                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 426                                                                                 {
 427                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 428                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 429                                                                                         else
 430                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 431                                                                                         isvideo = 1;
 432                                                                                 }
 433                                                                         }
 434                                                                         default:
 435                                                                                 break;
 436                                                                         }
 437                                                                         break;
 438                                                                 }
 439                                                                 case 0x28: // TS_PSI_DT_AVC
 440                                                                         isvideo = 1;
 441                                                                         video.type = videoStream::vtMPEG4_H264;
 442                                                                         break;
 443                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 444                                                                         isvideo = 1;
 445                                                                         video.type = videoStream::vtMPEG4_Part2;
 446                                                                         break;
 447                                                                 default:
 448                                                                         break;
 449                                                                 }
 450                                                         }
 451                                                         switch (tag)
 452                                                         {
 453                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 454                                                                 if (!isvideo)
 455                                                                 {
 456                                                                         int cnt=0;
 457                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 458                                                                                 /* use last language code */
 459                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 460                                                                         {
 461                                                                                 if (cnt == 0)
 462                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 463                                                                                 else
 464                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 465                                                                         }
 466                                                                 }
 467                                                                 break;
 468                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 469                                                                 audio.component_tag =
 470                                                                         video.component_tag =
 471                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 472                                                                 break;
 473                                                         case CA_DESCRIPTOR:
 474                                                         {
 475                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 476                                                                 program::capid_pair pair;
 477                                                                 pair.caid = descr->getCaSystemId();
 478                                                                 pair.capid = descr->getCaPid();
 479                                                                 program.caids.insert(pair);
 480                                                                 break;
 481                                                         }
 482                                                         default:
 483                                                                 break;
 484                                                         }
 485                                                 }
 486                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 487                                                 {
 488                                                         prev_audio->rdsPid = (*es)->getPid();
 489                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 490                                                 }
 491                                                 prev_audio = 0;
 492                                         }
 493                                         default:
 494                                                 break;
 495                                         }
 496                                         if (isteletext && (isaudio || isvideo))
 497                                         {
 498                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 499                                                 continue; // continue with next PID
 500                                         }
 501                                         else if (issubtitle && (isaudio || isvideo))
 502                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 503                                         else if (isaudio && isvideo)
 504                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 505                                         if (issubtitle) // continue with next PID
 506                                                 continue;
 507                                         else if (isvideo)
 508                                         {
 509                                                 video.pid = (*es)->getPid();
 510                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 511                                                 {
 512                                                         program.videoStreams.push_back(program.videoStreams[0]);
 513                                                         program.videoStreams[0] = video;
 514                                                 }
 515                                                 else
 516                                                         program.videoStreams.push_back(video);
 517                                         }
 518                                         else if (isaudio)
 519                                         {
 520                                                 audio.pid = (*es)->getPid();
 521
 522                                                         /* if we find the cached pids, this will be our default stream */
 523                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 524                                                         program.defaultAudioStream = program.audioStreams.size();
 525
 526                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 527                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 528                                                         first_ac3 = program.audioStreams.size();
 529
 530                                                 program.audioStreams.push_back(audio);
 531                                                 prev_audio = &program.audioStreams.back();
 532                                         }
 533                                         else
 534                                                 continue;
 535                                 }
 536                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 537                                         desc != pmt.getDescriptors()->end(); ++desc)
 538                                 {
 539                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 540                                         {
 541                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 542                                                 program::capid_pair pair;
 543                                                 pair.caid = descr->getCaSystemId();
 544                                                 pair.capid = descr->getCaPid();
 545                                                 program.caids.insert(pair);
 546                                         }
 547                                 }
 548                         }
 549                         ret = 0;
 550
 551                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 552                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 553                            (note: if an ac3 audio stream was selected before, this will be also stored
 554                            in 'fisrt_ac3', so we don't need to worry. */
 555                         bool defaultac3 = false;
 556                         std::string default_ac3;
 557
 558                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 559                                 defaultac3 = default_ac3 == "True";
 560
 561                         if (defaultac3 && (first_ac3 != -1))
 562                                 program.defaultAudioStream = first_ac3;
 563
 564                         m_cached_program = program;
 565                         m_have_cached_program = true;
 566                 }
 567         } else if ( m_service && !m_service->cacheEmpty() )
 568         {
 569                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 570                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 571                         cnt=0;
 572                 if ( vpidtype == -1 )
 573                         vpidtype = videoStream::vtMPEG2;
 574                 if ( cached_vpid != -1 )
 575                 {
 576                         videoStream s;
 577                         s.pid = cached_vpid;
 578                         s.type = vpidtype;
 579                         program.videoStreams.push_back(s);
 580                         ++cnt;
 581                 }
 582                 if ( cached_apid_ac3 != -1 )
 583                 {
 584                         audioStream s;
 585                         s.type = audioStream::atAC3;
 586                         s.pid = cached_apid_ac3;
 587                         s.rdsPid = -1;
 588                         program.audioStreams.push_back(s);
 589                         ++cnt;
 590                 }
 591                 if ( cached_apid_mpeg != -1 )
 592                 {
 593                         audioStream s;
 594                         s.type = audioStream::atMPEG;
 595                         s.pid = cached_apid_mpeg;
 596                         s.rdsPid = -1;
 597                         program.audioStreams.push_back(s);
 598                         ++cnt;
 599                 }
 600                 if ( cached_pcrpid != -1 )
 601                 {
 602                         ++cnt;
 603                         program.pcrPid = cached_pcrpid;
 604                 }
 605                 if ( cached_tpid != -1 )
 606                 {
 607                         ++cnt;
 608                         program.textPid = cached_tpid;
 609                 }
 610                 CAID_LIST &caids = m_service->m_ca;
 611                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it) {
 612                         program::capid_pair pair;
 613                         pair.caid = *it;
 614                         pair.capid = -1; // not known yet
 615                         program.caids.insert(pair);
 616                 }
 617                 if ( cnt )
 618                         ret = 0;
 619         }
 620         return ret;
 621 }
 622
 623 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 624 {
 625         channel = m_channel;
 626         if (channel)
 627                 return 0;
 628         else
 629                 return -1;
 630 }
 631
 632 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 633 {
 634         demux = m_demux;
 635         if (demux)
 636                 return 0;
 637         else
 638                 return -1;
 639 }
 640
 641 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 642 {
 643         int ret=0;
 644                 /* if we're using the decoding demux as data source
 645                    (for example in pvr playbacks), return that one. */
 646         if (m_use_decode_demux)
 647         {
 648                 demux = m_demux;
 649                 return ret;
 650         }
 651
 652         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 653
 654         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 655         if (!ret)
 656                 demux->getCADemuxID(m_decode_demux_num);
 657
 658         return ret;
 659 }
 660
 661 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 662 {
 663         pvr_channel = m_pvr_channel;
 664         if (pvr_channel)
 665                 return 0;
 666         else
 667                 return -1;
 668 }
 669
 670 void eDVBServicePMTHandler::SDTScanEvent(int event)
 671 {
 672         switch (event)
 673         {
 674                 case eDVBScan::evtFinish:
 675                 {
 676                         ePtr<iDVBChannelList> db;
 677                         if (m_resourceManager->getChannelList(db) != 0)
 678                                 eDebug("no channel list");
 679                         else
 680                         {
 681                                 eDVBChannelID chid;
 682                                 m_reference.getChannelID(chid);
 683                                 if (chid == m_dvb_scan->getCurrentChannelID())
 684                                 {
 685                                         m_dvb_scan->insertInto(db, true);
 686                                         eDebug("sdt update done!");
 687                                 }
 688                                 else
 689                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 690                         }
 691                         break;
 692                 }
 693
 694                 default:
 695                         break;
 696         }
 697 }
 698
 699 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 700 {
 701         ePtr<iDataSource> s;
 702         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 703 }
 704
 705 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iDataSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service)
 706 {
 707         RESULT res=0;
 708         m_reference = ref;
 709
 710         m_use_decode_demux = use_decode_demux;
 711
 712                 /* use given service as backup. This is used for timeshift where we want to clone the live stream using the cache, but in fact have a PVR channel */
 713         m_service = service;
 714
 715                 /* is this a normal (non PVR) channel? */
 716         if (ref.path.empty())
 717         {
 718                 eDVBChannelID chid;
 719                 ref.getChannelID(chid);
 720                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 721                 if (!simulate)
 722                         eDebug("allocate Channel: res %d", res);
 723
 724                 ePtr<iDVBChannelList> db;
 725                 if (!m_resourceManager->getChannelList(db))
 726                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 727
 728                 if (!res && !simulate)
 729                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 730         } else if (!simulate) // no simulation of playback services
 731         {
 732                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 733                 {
 734                         eWarning("no .meta file found, trying to find PMT pid");
 735                         eDVBTSTools tstools;
 736                         if (source)
 737                                 tstools.setSource(source, streaminfo_file ? streaminfo_file : ref.path.c_str());
 738                         else if (tstools.openFile(ref.path.c_str()))
 739                                 eWarning("failed to open file");
 740                         else
 741                         {
 742                                 int service_id, pmt_pid;
 743                                 if (!tstools.findPMT(pmt_pid, service_id))
 744                                 {
 745                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 746                                         m_reference.setServiceID(service_id);
 747                                         m_pmt_pid = pmt_pid;
 748                                 }
 749                         }
 750                 }
 751                 eDebug("alloc PVR");
 752                         /* allocate PVR */
 753                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 754                 if (res)
 755                         eDebug("allocatePVRChannel failed!\n");
 756                 m_channel = m_pvr_channel;
 757         }
 758
 759         if (!simulate)
 760         {
 761                 if (m_channel)
 762                 {
 763                         m_channel->connectStateChange(
 764                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 765                                 m_channelStateChanged_connection);
 766                         m_last_channel_state = -1;
 767                         channelStateChanged(m_channel);
 768
 769                         m_channel->connectEvent(
 770                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 771                                 m_channelEvent_connection);
 772
 773                         if (ref.path.empty())
 774                         {
 775                                 m_dvb_scan = 0;
 776                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 777                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 778                         }
 779                 } else
 780                 {
 781                         if (res == eDVBResourceManager::errAllSourcesBusy)
 782                                 serviceEvent(eventNoResources);
 783                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 784                                 serviceEvent(eventMisconfiguration);
 785                         return res;
 786                 }
 787
 788                 if (m_pvr_channel)
 789                 {
 790                         m_pvr_channel->setCueSheet(cue);
 791                         if (source)
 792                                 m_pvr_channel->playSource(source, streaminfo_file);
 793                         else
 794                                 m_pvr_channel->playFile(ref.path.c_str());
 795                 }
 796         }
 797
 798         return res;
 799 }
 800
 801 void eDVBServicePMTHandler::free()
 802 {
 803         m_dvb_scan = 0;
 804
 805         if (m_ca_servicePtr)
 806         {
 807                 int demuxes[2] = {0,0};
 808                 uint8_t tmp;
 809                 m_demux->getCADemuxID(tmp);
 810                 demuxes[0]=tmp;
 811                 if (m_decode_demux_num != 0xFF)
 812                         demuxes[1]=m_decode_demux_num;
 813                 else
 814                         demuxes[1]=demuxes[0];
 815                 ePtr<eTable<ProgramMapSection> > ptr;
 816                 m_PMT.getCurrent(ptr);
 817                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 818                 m_ca_servicePtr = 0;
 819         }
 820
 821         if (m_channel)
 822                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 823
 824         if (m_pvr_channel)
 825         {
 826                 m_pvr_channel->stopFile();
 827                 m_pvr_channel->setCueSheet(0);
 828         }
 829
 830         m_PMT.stop();
 831         m_PAT.stop();
 832         m_service = 0;
 833         m_channel = 0;
 834         m_pvr_channel = 0;
 835         m_demux = 0;
 836 }
 837
 838 CAServiceMap eDVBCAService::exist;
 839 ChannelMap eDVBCAService::exist_channels;
 840 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 841
 842 eDVBCAService::eDVBCAService()
 843         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 844 {
 845         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 846         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 847         Connect();
 848 }
 849
 850 eDVBCAService::~eDVBCAService()
 851 {
 852         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 853         ::close(m_sock);
 854 }
 855
 856 // begin static methods
 857 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 858 {
 859         CAServiceMap::iterator it = exist.find(ref);
 860         if ( it != exist.end() )
 861                 caservice = it->second;
 862         else
 863         {
 864                 caservice = (exist[ref]=new eDVBCAService());
 865                 caservice->m_service = ref;
 866                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 867         }
 868
 869         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 870         for (int i=0; i < loops; ++i)
 871         {
 872 // search free demux entry
 873                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 874
 875                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 876                         ++iter;
 877
 878                 if ( iter < max_demux_slots )
 879                 {
 880                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 881                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 882                 }
 883                 else
 884                 {
 885                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 886                         return -1;
 887                 }
 888         }
 889         return 0;
 890 }
 891
 892 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 893 {
 894         CAServiceMap::iterator it = exist.find(ref);
 895         if ( it == exist.end() )
 896         {
 897                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 898                 return -1;
 899         }
 900         else
 901         {
 902                 eDVBCAService *caservice = it->second;
 903                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 904                 for (int i=0; i < loops; ++i)
 905                 {
 906                         bool freed = false;
 907                         int iter = 0,
 908                                 used_demux_slots = 0,
 909                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 910                         while ( iter < max_demux_slots )
 911                         {
 912                                 if ( caservice->m_used_demux[iter] != 0xFF )
 913                                 {
 914                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 915                                         {
 916                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 917                                                 caservice->m_used_demux[iter] = 0xFF;
 918                                                 freed=true;
 919                                         }
 920                                         else
 921                                                 ++used_demux_slots;
 922                                 }
 923                                 ++iter;
 924                         }
 925                         if (!freed)
 926                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 927                         if (i || loops == 1)
 928                         {
 929                                 if (!used_demux_slots)  // no more used.. so we remove it
 930                                 {
 931                                         delete it->second;
 932                                         exist.erase(it);
 933                                 }
 934                                 else
 935                                 {
 936                                         if (ptr)
 937                                                 it->second->buildCAPMT(ptr);
 938                                         else
 939                                                 eDebug("[eDVBCAService] can not send updated demux info");
 940                                 }
 941                         }
 942                 }
 943         }
 944         return 0;
 945 }
 946
 947 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 948 {
 949         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 950 }
 951
 952 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 953 {
 954         if ( chan )
 955         {
 956                 eDebug("[eDVBCAService] new channel %p!", chan);
 957                 channel_data *data = new channel_data();
 958                 data->m_channel = chan;
 959                 data->m_prevChannelState = -1;
 960                 data->m_dataDemux = -1;
 961                 exist_channels[chan] = data;
 962                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 963         }
 964 }
 965
 966 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 967 {
 968         ChannelMap::iterator it =
 969                 exist_channels.find(chan);
 970         if ( it != exist_channels.end() )
 971         {
 972                 int state=0;
 973                 chan->getState(state);
 974                 if ( it->second->m_prevChannelState != state )
 975                 {
 976                         switch (state)
 977                         {
 978                                 case iDVBChannel::state_ok:
 979                                 {
 980                                         eDebug("[eDVBCAService] channel %p running", chan);
 981                                         break;
 982                                 }
 983                                 case iDVBChannel::state_release:
 984                                 {
 985                                         eDebug("[eDVBCAService] remove channel %p", chan);
 986                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 987                                         msg[7] = it->second->m_dataDemux & 0xFF;
 988                                         int sock, clilen;
 989                                         struct sockaddr_un servaddr;
 990                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 991                                         servaddr.sun_family = AF_UNIX;
 992                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 993                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 994                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 995                                         if (sock > -1)
 996                                         {
 997                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 998                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 999                                                 int val=1;
1000                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1001                                                 if (write(sock, msg, 8) != 8)
1002                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1003                                                 close(sock);
1004                                         }
1005                                         exist_channels.erase(it);
1006                                         delete it->second;
1007                                         it->second=0;
1008                                         break;
1009                                 }
1010                                 default: // ignore all other events
1011                                         return;
1012                         }
1013                         if (it->second)
1014                                 it->second->m_prevChannelState = state;
1015                 }
1016         }
1017 }
1018
1019 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1020 {
1021         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1022         {
1023                 if (chid == it->second->m_channel->getChannelID())
1024                         return it->second;
1025         }
1026         return 0;
1027 }
1028 // end static methods
1029
1030 #define CA_REPLY_DEBUG
1031 #define MAX_LENGTH_BYTES 4
1032 #define MIN_LENGTH_BYTES 1
1033
1034 void eDVBCAService::socketCB(int what)
1035 {
1036         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1037         {
1038                 char msgbuffer[4096];
1039                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1040                 if (length == -1)
1041                 {
1042                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1043                         {
1044                                 eDebug("[eSocketMMIHandler] read (%m)");
1045                                 what |= eSocketNotifier::Error;
1046                         }
1047                 } else if (length == 0)
1048                 {
1049                         what |= eSocketNotifier::Hungup;
1050                 } else
1051                 {
1052                         int len = length;
1053                         unsigned char *data = (unsigned char*)msgbuffer;
1054                         int clear = 1;
1055         // If a new message starts, then the previous message
1056         // should already have been processed. Otherwise the
1057         // previous message was incomplete and should therefore
1058         // be deleted.
1059                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1060                                 clear = 0;
1061                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1062                                 clear = 0;
1063                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1064                                 clear = 0;
1065                         if (clear)
1066                         {
1067                                 m_buffer.clear();
1068 #ifdef CA_REPLY_DEBUG
1069                                 eDebug("clear buffer");
1070 #endif
1071                         }
1072 #ifdef CA_REPLY_DEBUG
1073                         eDebug("Put to buffer:");
1074                         for (int i=0; i < len; ++i)
1075                                 eDebugNoNewLine("%02x ", data[i]);
1076                         eDebug("\n--------");
1077 #endif
1078                         m_buffer.write( data, len );
1079
1080                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1081                         {
1082                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1083                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1084                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1085                                 {
1086                                         m_buffer.skip(1);
1087 #ifdef CA_REPLY_DEBUG
1088                                         eDebug("skip %02x", tmp[0]);
1089 #endif
1090                                         continue;
1091                                 }
1092                                 if (tmp[3] & 0x80)
1093                                 {
1094                                         int peekLength = (tmp[3] & 0x7f) + 4;
1095                                         if (m_buffer.size() < peekLength)
1096                                                 continue;
1097                                         m_buffer.peek(tmp, peekLength);
1098                                 }
1099                                 int size=0;
1100                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1101                                 int messageLength = 3+LengthBytes+size;
1102                                 if ( m_buffer.size() >= messageLength )
1103                                 {
1104                                         unsigned char dest[messageLength];
1105                                         m_buffer.read(dest, messageLength);
1106 #ifdef CA_REPLY_DEBUG
1107                                         eDebug("dump ca reply:");
1108                                         for (int i=0; i < messageLength; ++i)
1109                                                 eDebugNoNewLine("%02x ", dest[i]);
1110                                         eDebug("\n--------");
1111 #endif
1112 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1113                                 }
1114                         }
1115                 }
1116         }
1117         if (what & eSocketNotifier::Hungup) {
1118                 /*eDebug("[eDVBCAService] connection closed")*/;
1119                 m_sendstate=1;
1120                 sendCAPMT();
1121         }
1122         if (what & eSocketNotifier::Error)
1123                 eDebug("[eDVBCAService] connection error");
1124 }
1125
1126 void eDVBCAService::Connect()
1127 {
1128         m_sn=0;
1129         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1130         m_servaddr.sun_family = AF_UNIX;
1131         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1132         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1133         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1134         if (m_sock != -1)
1135         {
1136                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1137                 {
1138                         int val=1;
1139                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1140                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1141                         m_sn = eSocketNotifier::create(eApp, m_sock,
1142                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1143                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1144
1145                 }
1146 //              else
1147 //                      eDebug("[eDVBCAService] connect failed %m");
1148         }
1149         else
1150                 eDebug("[eDVBCAService] create socket failed %m");
1151 }
1152
1153 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1154 {
1155         if (!ptr)
1156                 return;
1157
1158         eDVBTableSpec table_spec;
1159         ptr->getSpec(table_spec);
1160
1161         int pmtpid = table_spec.pid,
1162                 pmt_version = table_spec.version;
1163
1164         uint8_t demux_mask = 0;
1165         int data_demux = -1;
1166
1167         int iter=0, max_demux_slots = sizeof(m_used_demux);
1168         while ( iter < max_demux_slots )
1169         {
1170                 if ( m_used_demux[iter] != 0xFF )
1171                 {
1172                         if ( m_used_demux[iter] > data_demux )
1173                                 data_demux = m_used_demux[iter];
1174                         demux_mask |= (1 << m_used_demux[iter]);
1175                 }
1176                 ++iter;
1177         }
1178
1179         if ( data_demux == -1 )
1180         {
1181                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1182                 return;
1183         }
1184
1185         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1186
1187         unsigned int build_hash = ( pmtpid << 16);
1188         build_hash |= (demux_mask << 8);
1189         build_hash |= (pmt_version&0xFF);
1190
1191         if ( build_hash == m_prev_build_hash )
1192         {
1193                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1194                 return;
1195         }
1196
1197         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1198         if ( i != ptr->getSections().end() )
1199         {
1200                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1201
1202                 while( i != ptr->getSections().end() )
1203                 {
1204 //                      eDebug("append");
1205                         capmt.append(*i++);
1206                 }
1207
1208                 // add our private descriptors to capmt
1209                 uint8_t tmp[10];
1210
1211                 tmp[0]=0x84;  // pmt pid
1212                 tmp[1]=0x02;
1213                 tmp[2]=pmtpid>>8;
1214                 tmp[3]=pmtpid&0xFF;
1215                 capmt.injectDescriptor(tmp, false);
1216
1217                 tmp[0] = 0x82; // demux
1218                 tmp[1] = 0x02;
1219                 tmp[2] = demux_mask;    // descramble bitmask
1220                 tmp[3] = data_demux&0xFF; // read section data from demux number
1221                 capmt.injectDescriptor(tmp, false);
1222
1223                 tmp[0] = 0x81; // dvbnamespace
1224                 tmp[1] = 0x08;
1225                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1226                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1227                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1228                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1229                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1230                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1231                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1232                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1233                 capmt.injectDescriptor(tmp, false);
1234
1235                 capmt.writeToBuffer(m_capmt);
1236         }
1237
1238         m_prev_build_hash = build_hash;
1239
1240         if ( m_sendstate != 0xFFFFFFFF )
1241                 m_sendstate=0;
1242         sendCAPMT();
1243 }
1244
1245 void eDVBCAService::sendCAPMT()
1246 {
1247         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1248         {
1249                 ::close(m_sock);
1250                 Connect();
1251         }
1252
1253         int wp=0;
1254         if ( m_capmt[3] & 0x80 )
1255         {
1256                 int i=0;
1257                 int lenbytes = m_capmt[3] & ~0x80;
1258                 while(i < lenbytes)
1259                         wp = (wp << 8) | m_capmt[4 + i++];
1260                 wp+=4;
1261                 wp+=lenbytes;
1262         }
1263         else
1264         {
1265                 wp = m_capmt[3];
1266                 wp+=4;
1267         }
1268
1269         if ( write(m_sock, m_capmt, wp) == wp )
1270         {
1271                 m_sendstate=0xFFFFFFFF;
1272                 eDebug("[eDVBCAService] send %d bytes",wp);
1273                 eDVBChannelID chid;
1274                 m_service.getChannelID(chid);
1275                 channel_data *data = getChannelData(chid);
1276                 if (data)
1277                 {
1278                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1279                         data->m_dataDemux = m_capmt[24+lenbytes];
1280                 }
1281 #if 1
1282                 for(int i=0;i<wp;i++)
1283                         eDebugNoNewLine("%02x ", m_capmt[i]);
1284                 eDebug("");
1285 #endif
1286         }
1287         else
1288         {
1289                 switch(m_sendstate)
1290                 {
1291                         case 0xFFFFFFFF:
1292                                 ++m_sendstate;
1293                                 m_retryTimer->start(0,true);
1294 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1295                                 break;
1296                         default:
1297                                 m_retryTimer->start(5000,true);
1298 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1299                                 break;
1300                 }
1301                 ++m_sendstate;
1302         }
1303 }
1304
1305 static PyObject *createTuple(int pid, const char *type)
1306 {
1307         PyObject *r = PyTuple_New(2);
1308         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1309         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1310         return r;
1311 }
1312
1313 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1314 {
1315         PyList_Append(list, item);
1316         Py_DECREF(item);
1317 }
1318
1319 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1320
1321 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1322 {
1323         ePyObject r = PyDict_New();
1324         ePyObject l = PyList_New(0);
1325
1326         PyList_AppendSteal(l, createTuple(0, "pat"));
1327
1328         if (pmtPid != -1)
1329                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1330
1331         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1332                         i(videoStreams.begin());
1333                         i != videoStreams.end(); ++i)
1334                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1335
1336         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1337                         i(audioStreams.begin());
1338                         i != audioStreams.end(); ++i)
1339                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1340
1341         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1342                         i(subtitleStreams.begin());
1343                         i != subtitleStreams.end(); ++i)
1344                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1345
1346         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1347
1348         if (textPid != -1)
1349                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1350
1351         PutToDict(r, "pids", l);
1352
1353         return r;
1354 }