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         RESULT res=0;
 702         m_reference = ref;
 703
 704         m_use_decode_demux = use_decode_demux;
 705
 706                 /* 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 */
 707         m_service = service;
 708
 709                 /* is this a normal (non PVR) channel? */
 710         if (ref.path.empty())
 711         {
 712                 eDVBChannelID chid;
 713                 ref.getChannelID(chid);
 714                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 715                 if (!simulate)
 716                         eDebug("allocate Channel: res %d", res);
 717
 718                 ePtr<iDVBChannelList> db;
 719                 if (!m_resourceManager->getChannelList(db))
 720                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 721
 722                 if (!res && !simulate)
 723                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 724         } else if (!simulate) // no simulation of playback services
 725         {
 726                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 727                 {
 728                         eWarning("no .meta file found, trying to find PMT pid");
 729                         eDVBTSTools tstools;
 730                         if (tstools.openFile(ref.path.c_str()))
 731                                 eWarning("failed to open file");
 732                         else
 733                         {
 734                                 int service_id, pmt_pid;
 735                                 if (!tstools.findPMT(pmt_pid, service_id))
 736                                 {
 737                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 738                                         m_reference.setServiceID(service_id);
 739                                         m_pmt_pid = pmt_pid;
 740                                 }
 741                         }
 742                 }
 743                 eDebug("alloc PVR");
 744                         /* allocate PVR */
 745                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 746                 if (res)
 747                         eDebug("allocatePVRChannel failed!\n");
 748                 m_channel = m_pvr_channel;
 749         }
 750
 751         if (!simulate)
 752         {
 753                 if (m_channel)
 754                 {
 755                         m_channel->connectStateChange(
 756                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 757                                 m_channelStateChanged_connection);
 758                         m_last_channel_state = -1;
 759                         channelStateChanged(m_channel);
 760
 761                         m_channel->connectEvent(
 762                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 763                                 m_channelEvent_connection);
 764
 765                         if (ref.path.empty())
 766                         {
 767                                 m_dvb_scan = 0;
 768                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 769                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 770                         }
 771                 } else
 772                 {
 773                         if (res == eDVBResourceManager::errAllSourcesBusy)
 774                                 serviceEvent(eventNoResources);
 775                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 776                                 serviceEvent(eventMisconfiguration);
 777                         return res;
 778                 }
 779
 780                 if (m_pvr_channel)
 781                 {
 782                         m_pvr_channel->setCueSheet(cue);
 783                         m_pvr_channel->playFile(ref.path.c_str());
 784                 }
 785         }
 786
 787         return res;
 788 }
 789
 790 void eDVBServicePMTHandler::free()
 791 {
 792         m_dvb_scan = 0;
 793
 794         if (m_ca_servicePtr)
 795         {
 796                 int demuxes[2] = {0,0};
 797                 uint8_t tmp;
 798                 m_demux->getCADemuxID(tmp);
 799                 demuxes[0]=tmp;
 800                 if (m_decode_demux_num != 0xFF)
 801                         demuxes[1]=m_decode_demux_num;
 802                 else
 803                         demuxes[1]=demuxes[0];
 804                 ePtr<eTable<ProgramMapSection> > ptr;
 805                 m_PMT.getCurrent(ptr);
 806                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 807                 m_ca_servicePtr = 0;
 808         }
 809
 810         if (m_channel)
 811                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 812
 813         if (m_pvr_channel)
 814         {
 815                 m_pvr_channel->stopFile();
 816                 m_pvr_channel->setCueSheet(0);
 817         }
 818
 819         m_PMT.stop();
 820         m_PAT.stop();
 821         m_service = 0;
 822         m_channel = 0;
 823         m_pvr_channel = 0;
 824         m_demux = 0;
 825 }
 826
 827 CAServiceMap eDVBCAService::exist;
 828 ChannelMap eDVBCAService::exist_channels;
 829 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 830
 831 eDVBCAService::eDVBCAService()
 832         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 833 {
 834         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 835         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 836         Connect();
 837 }
 838
 839 eDVBCAService::~eDVBCAService()
 840 {
 841         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 842         ::close(m_sock);
 843 }
 844
 845 // begin static methods
 846 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 847 {
 848         CAServiceMap::iterator it = exist.find(ref);
 849         if ( it != exist.end() )
 850                 caservice = it->second;
 851         else
 852         {
 853                 caservice = (exist[ref]=new eDVBCAService());
 854                 caservice->m_service = ref;
 855                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 856         }
 857
 858         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 859         for (int i=0; i < loops; ++i)
 860         {
 861 // search free demux entry
 862                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 863
 864                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 865                         ++iter;
 866
 867                 if ( iter < max_demux_slots )
 868                 {
 869                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 870                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 871                 }
 872                 else
 873                 {
 874                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 875                         return -1;
 876                 }
 877         }
 878         return 0;
 879 }
 880
 881 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 882 {
 883         CAServiceMap::iterator it = exist.find(ref);
 884         if ( it == exist.end() )
 885         {
 886                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 887                 return -1;
 888         }
 889         else
 890         {
 891                 eDVBCAService *caservice = it->second;
 892                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 893                 for (int i=0; i < loops; ++i)
 894                 {
 895                         bool freed = false;
 896                         int iter = 0,
 897                                 used_demux_slots = 0,
 898                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 899                         while ( iter < max_demux_slots )
 900                         {
 901                                 if ( caservice->m_used_demux[iter] != 0xFF )
 902                                 {
 903                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 904                                         {
 905                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 906                                                 caservice->m_used_demux[iter] = 0xFF;
 907                                                 freed=true;
 908                                         }
 909                                         else
 910                                                 ++used_demux_slots;
 911                                 }
 912                                 ++iter;
 913                         }
 914                         if (!freed)
 915                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 916                         if (i || loops == 1)
 917                         {
 918                                 if (!used_demux_slots)  // no more used.. so we remove it
 919                                 {
 920                                         delete it->second;
 921                                         exist.erase(it);
 922                                 }
 923                                 else
 924                                 {
 925                                         if (ptr)
 926                                                 it->second->buildCAPMT(ptr);
 927                                         else
 928                                                 eDebug("[eDVBCAService] can not send updated demux info");
 929                                 }
 930                         }
 931                 }
 932         }
 933         return 0;
 934 }
 935
 936 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 937 {
 938         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 939 }
 940
 941 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 942 {
 943         if ( chan )
 944         {
 945                 eDebug("[eDVBCAService] new channel %p!", chan);
 946                 channel_data *data = new channel_data();
 947                 data->m_channel = chan;
 948                 data->m_prevChannelState = -1;
 949                 data->m_dataDemux = -1;
 950                 exist_channels[chan] = data;
 951                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 952         }
 953 }
 954
 955 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 956 {
 957         ChannelMap::iterator it =
 958                 exist_channels.find(chan);
 959         if ( it != exist_channels.end() )
 960         {
 961                 int state=0;
 962                 chan->getState(state);
 963                 if ( it->second->m_prevChannelState != state )
 964                 {
 965                         switch (state)
 966                         {
 967                                 case iDVBChannel::state_ok:
 968                                 {
 969                                         eDebug("[eDVBCAService] channel %p running", chan);
 970                                         break;
 971                                 }
 972                                 case iDVBChannel::state_release:
 973                                 {
 974                                         eDebug("[eDVBCAService] remove channel %p", chan);
 975                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 976                                         msg[7] = it->second->m_dataDemux & 0xFF;
 977                                         int sock, clilen;
 978                                         struct sockaddr_un servaddr;
 979                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 980                                         servaddr.sun_family = AF_UNIX;
 981                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 982                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 983                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 984                                         if (sock > -1)
 985                                         {
 986                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 987                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 988                                                 int val=1;
 989                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 990                                                 if (write(sock, msg, 8) != 8)
 991                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 992                                                 close(sock);
 993                                         }
 994                                         exist_channels.erase(it);
 995                                         delete it->second;
 996                                         it->second=0;
 997                                         break;
 998                                 }
 999                                 default: // ignore all other events
1000                                         return;
1001                         }
1002                         if (it->second)
1003                                 it->second->m_prevChannelState = state;
1004                 }
1005         }
1006 }
1007
1008 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1009 {
1010         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1011         {
1012                 if (chid == it->second->m_channel->getChannelID())
1013                         return it->second;
1014         }
1015         return 0;
1016 }
1017 // end static methods
1018
1019 #define CA_REPLY_DEBUG
1020 #define MAX_LENGTH_BYTES 4
1021 #define MIN_LENGTH_BYTES 1
1022
1023 void eDVBCAService::socketCB(int what)
1024 {
1025         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1026         {
1027                 char msgbuffer[4096];
1028                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1029                 if (length == -1)
1030                 {
1031                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1032                         {
1033                                 eDebug("[eSocketMMIHandler] read (%m)");
1034                                 what |= eSocketNotifier::Error;
1035                         }
1036                 } else if (length == 0)
1037                 {
1038                         what |= eSocketNotifier::Hungup;
1039                 } else
1040                 {
1041                         int len = length;
1042                         unsigned char *data = (unsigned char*)msgbuffer;
1043                         int clear = 1;
1044         // If a new message starts, then the previous message
1045         // should already have been processed. Otherwise the
1046         // previous message was incomplete and should therefore
1047         // be deleted.
1048                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1049                                 clear = 0;
1050                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1051                                 clear = 0;
1052                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1053                                 clear = 0;
1054                         if (clear)
1055                         {
1056                                 m_buffer.clear();
1057 #ifdef CA_REPLY_DEBUG
1058                                 eDebug("clear buffer");
1059 #endif
1060                         }
1061 #ifdef CA_REPLY_DEBUG
1062                         eDebug("Put to buffer:");
1063                         for (int i=0; i < len; ++i)
1064                                 eDebugNoNewLine("%02x ", data[i]);
1065                         eDebug("\n--------");
1066 #endif
1067                         m_buffer.write( data, len );
1068
1069                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1070                         {
1071                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1072                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1073                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1074                                 {
1075                                         m_buffer.skip(1);
1076 #ifdef CA_REPLY_DEBUG
1077                                         eDebug("skip %02x", tmp[0]);
1078 #endif
1079                                         continue;
1080                                 }
1081                                 if (tmp[3] & 0x80)
1082                                 {
1083                                         int peekLength = (tmp[3] & 0x7f) + 4;
1084                                         if (m_buffer.size() < peekLength)
1085                                                 continue;
1086                                         m_buffer.peek(tmp, peekLength);
1087                                 }
1088                                 int size=0;
1089                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1090                                 int messageLength = 3+LengthBytes+size;
1091                                 if ( m_buffer.size() >= messageLength )
1092                                 {
1093                                         unsigned char dest[messageLength];
1094                                         m_buffer.read(dest, messageLength);
1095 #ifdef CA_REPLY_DEBUG
1096                                         eDebug("dump ca reply:");
1097                                         for (int i=0; i < messageLength; ++i)
1098                                                 eDebugNoNewLine("%02x ", dest[i]);
1099                                         eDebug("\n--------");
1100 #endif
1101 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1102                                 }
1103                         }
1104                 }
1105         }
1106         if (what & eSocketNotifier::Hungup) {
1107                 /*eDebug("[eDVBCAService] connection closed")*/;
1108                 m_sendstate=1;
1109                 sendCAPMT();
1110         }
1111         if (what & eSocketNotifier::Error)
1112                 eDebug("[eDVBCAService] connection error");
1113 }
1114
1115 void eDVBCAService::Connect()
1116 {
1117         m_sn=0;
1118         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1119         m_servaddr.sun_family = AF_UNIX;
1120         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1121         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1122         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1123         if (m_sock != -1)
1124         {
1125                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1126                 {
1127                         int val=1;
1128                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1129                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1130                         m_sn = eSocketNotifier::create(eApp, m_sock,
1131                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1132                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1133
1134                 }
1135 //              else
1136 //                      eDebug("[eDVBCAService] connect failed %m");
1137         }
1138         else
1139                 eDebug("[eDVBCAService] create socket failed %m");
1140 }
1141
1142 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1143 {
1144         if (!ptr)
1145                 return;
1146
1147         eDVBTableSpec table_spec;
1148         ptr->getSpec(table_spec);
1149
1150         int pmtpid = table_spec.pid,
1151                 pmt_version = table_spec.version;
1152
1153         uint8_t demux_mask = 0;
1154         int data_demux = -1;
1155
1156         int iter=0, max_demux_slots = sizeof(m_used_demux);
1157         while ( iter < max_demux_slots )
1158         {
1159                 if ( m_used_demux[iter] != 0xFF )
1160                 {
1161                         if ( m_used_demux[iter] > data_demux )
1162                                 data_demux = m_used_demux[iter];
1163                         demux_mask |= (1 << m_used_demux[iter]);
1164                 }
1165                 ++iter;
1166         }
1167
1168         if ( data_demux == -1 )
1169         {
1170                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1171                 return;
1172         }
1173
1174         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1175
1176         unsigned int build_hash = ( pmtpid << 16);
1177         build_hash |= (demux_mask << 8);
1178         build_hash |= (pmt_version&0xFF);
1179
1180         if ( build_hash == m_prev_build_hash )
1181         {
1182                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1183                 return;
1184         }
1185
1186         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1187         if ( i != ptr->getSections().end() )
1188         {
1189                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1190
1191                 while( i != ptr->getSections().end() )
1192                 {
1193 //                      eDebug("append");
1194                         capmt.append(*i++);
1195                 }
1196
1197                 // add our private descriptors to capmt
1198                 uint8_t tmp[10];
1199
1200                 tmp[0]=0x84;  // pmt pid
1201                 tmp[1]=0x02;
1202                 tmp[2]=pmtpid>>8;
1203                 tmp[3]=pmtpid&0xFF;
1204                 capmt.injectDescriptor(tmp, false);
1205
1206                 tmp[0] = 0x82; // demux
1207                 tmp[1] = 0x02;
1208                 tmp[2] = demux_mask;    // descramble bitmask
1209                 tmp[3] = data_demux&0xFF; // read section data from demux number
1210                 capmt.injectDescriptor(tmp, false);
1211
1212                 tmp[0] = 0x81; // dvbnamespace
1213                 tmp[1] = 0x08;
1214                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1215                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1216                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1217                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1218                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1219                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1220                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1221                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1222                 capmt.injectDescriptor(tmp, false);
1223
1224                 capmt.writeToBuffer(m_capmt);
1225         }
1226
1227         m_prev_build_hash = build_hash;
1228
1229         if ( m_sendstate != 0xFFFFFFFF )
1230                 m_sendstate=0;
1231         sendCAPMT();
1232 }
1233
1234 void eDVBCAService::sendCAPMT()
1235 {
1236         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1237         {
1238                 ::close(m_sock);
1239                 Connect();
1240         }
1241
1242         int wp=0;
1243         if ( m_capmt[3] & 0x80 )
1244         {
1245                 int i=0;
1246                 int lenbytes = m_capmt[3] & ~0x80;
1247                 while(i < lenbytes)
1248                         wp = (wp << 8) | m_capmt[4 + i++];
1249                 wp+=4;
1250                 wp+=lenbytes;
1251         }
1252         else
1253         {
1254                 wp = m_capmt[3];
1255                 wp+=4;
1256         }
1257
1258         if ( write(m_sock, m_capmt, wp) == wp )
1259         {
1260                 m_sendstate=0xFFFFFFFF;
1261                 eDebug("[eDVBCAService] send %d bytes",wp);
1262                 eDVBChannelID chid;
1263                 m_service.getChannelID(chid);
1264                 channel_data *data = getChannelData(chid);
1265                 if (data)
1266                 {
1267                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1268                         data->m_dataDemux = m_capmt[24+lenbytes];
1269                 }
1270 #if 1
1271                 for(int i=0;i<wp;i++)
1272                         eDebugNoNewLine("%02x ", m_capmt[i]);
1273                 eDebug("");
1274 #endif
1275         }
1276         else
1277         {
1278                 switch(m_sendstate)
1279                 {
1280                         case 0xFFFFFFFF:
1281                                 ++m_sendstate;
1282                                 m_retryTimer->start(0,true);
1283 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1284                                 break;
1285                         default:
1286                                 m_retryTimer->start(5000,true);
1287 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1288                                 break;
1289                 }
1290                 ++m_sendstate;
1291         }
1292 }
1293
1294 static PyObject *createTuple(int pid, const char *type)
1295 {
1296         PyObject *r = PyTuple_New(2);
1297         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1298         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1299         return r;
1300 }
1301
1302 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1303 {
1304         PyList_Append(list, item);
1305         Py_DECREF(item);
1306 }
1307
1308 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1309
1310 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1311 {
1312         ePyObject r = PyDict_New();
1313         ePyObject l = PyList_New(0);
1314
1315         PyList_AppendSteal(l, createTuple(0, "pat"));
1316
1317         if (pmtPid != -1)
1318                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1319
1320         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1321                         i(videoStreams.begin());
1322                         i != videoStreams.end(); ++i)
1323                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1324
1325         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1326                         i(audioStreams.begin());
1327                         i != audioStreams.end(); ++i)
1328                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1329
1330         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1331                         i(subtitleStreams.begin());
1332                         i != subtitleStreams.end(); ++i)
1333                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1334
1335         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1336
1337         if (textPid != -1)
1338                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1339
1340         PutToDict(r, "pids", l);
1341
1342         return r;
1343 }