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 (tstools.openFile(ref.path.c_str()))
 737                                 eWarning("failed to open file");
 738                         else
 739                         {
 740                                 int service_id, pmt_pid;
 741                                 if (!tstools.findPMT(pmt_pid, service_id))
 742                                 {
 743                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 744                                         m_reference.setServiceID(service_id);
 745                                         m_pmt_pid = pmt_pid;
 746                                 }
 747                         }
 748                 }
 749                 eDebug("alloc PVR");
 750                         /* allocate PVR */
 751                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 752                 if (res)
 753                         eDebug("allocatePVRChannel failed!\n");
 754                 m_channel = m_pvr_channel;
 755         }
 756
 757         if (!simulate)
 758         {
 759                 if (m_channel)
 760                 {
 761                         m_channel->connectStateChange(
 762                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 763                                 m_channelStateChanged_connection);
 764                         m_last_channel_state = -1;
 765                         channelStateChanged(m_channel);
 766
 767                         m_channel->connectEvent(
 768                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 769                                 m_channelEvent_connection);
 770
 771                         if (ref.path.empty())
 772                         {
 773                                 m_dvb_scan = 0;
 774                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 775                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 776                         }
 777                 } else
 778                 {
 779                         if (res == eDVBResourceManager::errAllSourcesBusy)
 780                                 serviceEvent(eventNoResources);
 781                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 782                                 serviceEvent(eventMisconfiguration);
 783                         return res;
 784                 }
 785
 786                 if (m_pvr_channel)
 787                 {
 788                         m_pvr_channel->setCueSheet(cue);
 789                         if (source)
 790                                 m_pvr_channel->playSource(source, streaminfo_file);
 791                         else
 792                                 m_pvr_channel->playFile(ref.path.c_str());
 793                 }
 794         }
 795
 796         return res;
 797 }
 798
 799 void eDVBServicePMTHandler::free()
 800 {
 801         m_dvb_scan = 0;
 802
 803         if (m_ca_servicePtr)
 804         {
 805                 int demuxes[2] = {0,0};
 806                 uint8_t tmp;
 807                 m_demux->getCADemuxID(tmp);
 808                 demuxes[0]=tmp;
 809                 if (m_decode_demux_num != 0xFF)
 810                         demuxes[1]=m_decode_demux_num;
 811                 else
 812                         demuxes[1]=demuxes[0];
 813                 ePtr<eTable<ProgramMapSection> > ptr;
 814                 m_PMT.getCurrent(ptr);
 815                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 816                 m_ca_servicePtr = 0;
 817         }
 818
 819         if (m_channel)
 820                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 821
 822         if (m_pvr_channel)
 823         {
 824                 m_pvr_channel->stopFile();
 825                 m_pvr_channel->setCueSheet(0);
 826         }
 827
 828         m_PMT.stop();
 829         m_PAT.stop();
 830         m_service = 0;
 831         m_channel = 0;
 832         m_pvr_channel = 0;
 833         m_demux = 0;
 834 }
 835
 836 CAServiceMap eDVBCAService::exist;
 837 ChannelMap eDVBCAService::exist_channels;
 838 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 839
 840 eDVBCAService::eDVBCAService()
 841         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 842 {
 843         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 844         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 845         Connect();
 846 }
 847
 848 eDVBCAService::~eDVBCAService()
 849 {
 850         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 851         ::close(m_sock);
 852 }
 853
 854 // begin static methods
 855 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 856 {
 857         CAServiceMap::iterator it = exist.find(ref);
 858         if ( it != exist.end() )
 859                 caservice = it->second;
 860         else
 861         {
 862                 caservice = (exist[ref]=new eDVBCAService());
 863                 caservice->m_service = ref;
 864                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 865         }
 866
 867         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 868         for (int i=0; i < loops; ++i)
 869         {
 870 // search free demux entry
 871                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 872
 873                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 874                         ++iter;
 875
 876                 if ( iter < max_demux_slots )
 877                 {
 878                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 879                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 880                 }
 881                 else
 882                 {
 883                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 884                         return -1;
 885                 }
 886         }
 887         return 0;
 888 }
 889
 890 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 891 {
 892         CAServiceMap::iterator it = exist.find(ref);
 893         if ( it == exist.end() )
 894         {
 895                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 896                 return -1;
 897         }
 898         else
 899         {
 900                 eDVBCAService *caservice = it->second;
 901                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 902                 for (int i=0; i < loops; ++i)
 903                 {
 904                         bool freed = false;
 905                         int iter = 0,
 906                                 used_demux_slots = 0,
 907                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 908                         while ( iter < max_demux_slots )
 909                         {
 910                                 if ( caservice->m_used_demux[iter] != 0xFF )
 911                                 {
 912                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 913                                         {
 914                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 915                                                 caservice->m_used_demux[iter] = 0xFF;
 916                                                 freed=true;
 917                                         }
 918                                         else
 919                                                 ++used_demux_slots;
 920                                 }
 921                                 ++iter;
 922                         }
 923                         if (!freed)
 924                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 925                         if (i || loops == 1)
 926                         {
 927                                 if (!used_demux_slots)  // no more used.. so we remove it
 928                                 {
 929                                         delete it->second;
 930                                         exist.erase(it);
 931                                 }
 932                                 else
 933                                 {
 934                                         if (ptr)
 935                                                 it->second->buildCAPMT(ptr);
 936                                         else
 937                                                 eDebug("[eDVBCAService] can not send updated demux info");
 938                                 }
 939                         }
 940                 }
 941         }
 942         return 0;
 943 }
 944
 945 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 946 {
 947         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 948 }
 949
 950 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 951 {
 952         if ( chan )
 953         {
 954                 eDebug("[eDVBCAService] new channel %p!", chan);
 955                 channel_data *data = new channel_data();
 956                 data->m_channel = chan;
 957                 data->m_prevChannelState = -1;
 958                 data->m_dataDemux = -1;
 959                 exist_channels[chan] = data;
 960                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 961         }
 962 }
 963
 964 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 965 {
 966         ChannelMap::iterator it =
 967                 exist_channels.find(chan);
 968         if ( it != exist_channels.end() )
 969         {
 970                 int state=0;
 971                 chan->getState(state);
 972                 if ( it->second->m_prevChannelState != state )
 973                 {
 974                         switch (state)
 975                         {
 976                                 case iDVBChannel::state_ok:
 977                                 {
 978                                         eDebug("[eDVBCAService] channel %p running", chan);
 979                                         break;
 980                                 }
 981                                 case iDVBChannel::state_release:
 982                                 {
 983                                         eDebug("[eDVBCAService] remove channel %p", chan);
 984                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 985                                         msg[7] = it->second->m_dataDemux & 0xFF;
 986                                         int sock, clilen;
 987                                         struct sockaddr_un servaddr;
 988                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 989                                         servaddr.sun_family = AF_UNIX;
 990                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 991                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 992                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 993                                         if (sock > -1)
 994                                         {
 995                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 996                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 997                                                 int val=1;
 998                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 999                                                 if (write(sock, msg, 8) != 8)
1000                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1001                                                 close(sock);
1002                                         }
1003                                         exist_channels.erase(it);
1004                                         delete it->second;
1005                                         it->second=0;
1006                                         break;
1007                                 }
1008                                 default: // ignore all other events
1009                                         return;
1010                         }
1011                         if (it->second)
1012                                 it->second->m_prevChannelState = state;
1013                 }
1014         }
1015 }
1016
1017 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1018 {
1019         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1020         {
1021                 if (chid == it->second->m_channel->getChannelID())
1022                         return it->second;
1023         }
1024         return 0;
1025 }
1026 // end static methods
1027
1028 #define CA_REPLY_DEBUG
1029 #define MAX_LENGTH_BYTES 4
1030 #define MIN_LENGTH_BYTES 1
1031
1032 void eDVBCAService::socketCB(int what)
1033 {
1034         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1035         {
1036                 char msgbuffer[4096];
1037                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1038                 if (length == -1)
1039                 {
1040                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1041                         {
1042                                 eDebug("[eSocketMMIHandler] read (%m)");
1043                                 what |= eSocketNotifier::Error;
1044                         }
1045                 } else if (length == 0)
1046                 {
1047                         what |= eSocketNotifier::Hungup;
1048                 } else
1049                 {
1050                         int len = length;
1051                         unsigned char *data = (unsigned char*)msgbuffer;
1052                         int clear = 1;
1053         // If a new message starts, then the previous message
1054         // should already have been processed. Otherwise the
1055         // previous message was incomplete and should therefore
1056         // be deleted.
1057                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1058                                 clear = 0;
1059                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1060                                 clear = 0;
1061                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1062                                 clear = 0;
1063                         if (clear)
1064                         {
1065                                 m_buffer.clear();
1066 #ifdef CA_REPLY_DEBUG
1067                                 eDebug("clear buffer");
1068 #endif
1069                         }
1070 #ifdef CA_REPLY_DEBUG
1071                         eDebug("Put to buffer:");
1072                         for (int i=0; i < len; ++i)
1073                                 eDebugNoNewLine("%02x ", data[i]);
1074                         eDebug("\n--------");
1075 #endif
1076                         m_buffer.write( data, len );
1077
1078                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1079                         {
1080                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1081                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1082                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1083                                 {
1084                                         m_buffer.skip(1);
1085 #ifdef CA_REPLY_DEBUG
1086                                         eDebug("skip %02x", tmp[0]);
1087 #endif
1088                                         continue;
1089                                 }
1090                                 if (tmp[3] & 0x80)
1091                                 {
1092                                         int peekLength = (tmp[3] & 0x7f) + 4;
1093                                         if (m_buffer.size() < peekLength)
1094                                                 continue;
1095                                         m_buffer.peek(tmp, peekLength);
1096                                 }
1097                                 int size=0;
1098                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1099                                 int messageLength = 3+LengthBytes+size;
1100                                 if ( m_buffer.size() >= messageLength )
1101                                 {
1102                                         unsigned char dest[messageLength];
1103                                         m_buffer.read(dest, messageLength);
1104 #ifdef CA_REPLY_DEBUG
1105                                         eDebug("dump ca reply:");
1106                                         for (int i=0; i < messageLength; ++i)
1107                                                 eDebugNoNewLine("%02x ", dest[i]);
1108                                         eDebug("\n--------");
1109 #endif
1110 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1111                                 }
1112                         }
1113                 }
1114         }
1115         if (what & eSocketNotifier::Hungup) {
1116                 /*eDebug("[eDVBCAService] connection closed")*/;
1117                 m_sendstate=1;
1118                 sendCAPMT();
1119         }
1120         if (what & eSocketNotifier::Error)
1121                 eDebug("[eDVBCAService] connection error");
1122 }
1123
1124 void eDVBCAService::Connect()
1125 {
1126         m_sn=0;
1127         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1128         m_servaddr.sun_family = AF_UNIX;
1129         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1130         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1131         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1132         if (m_sock != -1)
1133         {
1134                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1135                 {
1136                         int val=1;
1137                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1138                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1139                         m_sn = eSocketNotifier::create(eApp, m_sock,
1140                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1141                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1142
1143                 }
1144 //              else
1145 //                      eDebug("[eDVBCAService] connect failed %m");
1146         }
1147         else
1148                 eDebug("[eDVBCAService] create socket failed %m");
1149 }
1150
1151 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1152 {
1153         if (!ptr)
1154                 return;
1155
1156         eDVBTableSpec table_spec;
1157         ptr->getSpec(table_spec);
1158
1159         int pmtpid = table_spec.pid,
1160                 pmt_version = table_spec.version;
1161
1162         uint8_t demux_mask = 0;
1163         int data_demux = -1;
1164
1165         int iter=0, max_demux_slots = sizeof(m_used_demux);
1166         while ( iter < max_demux_slots )
1167         {
1168                 if ( m_used_demux[iter] != 0xFF )
1169                 {
1170                         if ( m_used_demux[iter] > data_demux )
1171                                 data_demux = m_used_demux[iter];
1172                         demux_mask |= (1 << m_used_demux[iter]);
1173                 }
1174                 ++iter;
1175         }
1176
1177         if ( data_demux == -1 )
1178         {
1179                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1180                 return;
1181         }
1182
1183         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1184
1185         unsigned int build_hash = ( pmtpid << 16);
1186         build_hash |= (demux_mask << 8);
1187         build_hash |= (pmt_version&0xFF);
1188
1189         if ( build_hash == m_prev_build_hash )
1190         {
1191                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1192                 return;
1193         }
1194
1195         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1196         if ( i != ptr->getSections().end() )
1197         {
1198                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1199
1200                 while( i != ptr->getSections().end() )
1201                 {
1202 //                      eDebug("append");
1203                         capmt.append(*i++);
1204                 }
1205
1206                 // add our private descriptors to capmt
1207                 uint8_t tmp[10];
1208
1209                 tmp[0]=0x84;  // pmt pid
1210                 tmp[1]=0x02;
1211                 tmp[2]=pmtpid>>8;
1212                 tmp[3]=pmtpid&0xFF;
1213                 capmt.injectDescriptor(tmp, false);
1214
1215                 tmp[0] = 0x82; // demux
1216                 tmp[1] = 0x02;
1217                 tmp[2] = demux_mask;    // descramble bitmask
1218                 tmp[3] = data_demux&0xFF; // read section data from demux number
1219                 capmt.injectDescriptor(tmp, false);
1220
1221                 tmp[0] = 0x81; // dvbnamespace
1222                 tmp[1] = 0x08;
1223                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1224                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1225                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1226                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1227                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1228                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1229                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1230                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1231                 capmt.injectDescriptor(tmp, false);
1232
1233                 capmt.writeToBuffer(m_capmt);
1234         }
1235
1236         m_prev_build_hash = build_hash;
1237
1238         if ( m_sendstate != 0xFFFFFFFF )
1239                 m_sendstate=0;
1240         sendCAPMT();
1241 }
1242
1243 void eDVBCAService::sendCAPMT()
1244 {
1245         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1246         {
1247                 ::close(m_sock);
1248                 Connect();
1249         }
1250
1251         int wp=0;
1252         if ( m_capmt[3] & 0x80 )
1253         {
1254                 int i=0;
1255                 int lenbytes = m_capmt[3] & ~0x80;
1256                 while(i < lenbytes)
1257                         wp = (wp << 8) | m_capmt[4 + i++];
1258                 wp+=4;
1259                 wp+=lenbytes;
1260         }
1261         else
1262         {
1263                 wp = m_capmt[3];
1264                 wp+=4;
1265         }
1266
1267         if ( write(m_sock, m_capmt, wp) == wp )
1268         {
1269                 m_sendstate=0xFFFFFFFF;
1270                 eDebug("[eDVBCAService] send %d bytes",wp);
1271                 eDVBChannelID chid;
1272                 m_service.getChannelID(chid);
1273                 channel_data *data = getChannelData(chid);
1274                 if (data)
1275                 {
1276                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1277                         data->m_dataDemux = m_capmt[24+lenbytes];
1278                 }
1279 #if 1
1280                 for(int i=0;i<wp;i++)
1281                         eDebugNoNewLine("%02x ", m_capmt[i]);
1282                 eDebug("");
1283 #endif
1284         }
1285         else
1286         {
1287                 switch(m_sendstate)
1288                 {
1289                         case 0xFFFFFFFF:
1290                                 ++m_sendstate;
1291                                 m_retryTimer->start(0,true);
1292 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1293                                 break;
1294                         default:
1295                                 m_retryTimer->start(5000,true);
1296 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1297                                 break;
1298                 }
1299                 ++m_sendstate;
1300         }
1301 }
1302
1303 static PyObject *createTuple(int pid, const char *type)
1304 {
1305         PyObject *r = PyTuple_New(2);
1306         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1307         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1308         return r;
1309 }
1310
1311 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1312 {
1313         PyList_Append(list, item);
1314         Py_DECREF(item);
1315 }
1316
1317 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1318
1319 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1320 {
1321         ePyObject r = PyDict_New();
1322         ePyObject l = PyList_New(0);
1323
1324         PyList_AppendSteal(l, createTuple(0, "pat"));
1325
1326         if (pmtPid != -1)
1327                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1328
1329         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1330                         i(videoStreams.begin());
1331                         i != videoStreams.end(); ++i)
1332                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1333
1334         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1335                         i(audioStreams.begin());
1336                         i != audioStreams.end(); ++i)
1337                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1338
1339         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1340                         i(subtitleStreams.begin());
1341                         i != subtitleStreams.end(); ++i)
1342                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1343
1344         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1345
1346         if (textPid != -1)
1347                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1348
1349         PutToDict(r, "pids", l);
1350
1351         return r;
1352 }