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::evtEOF:
  79                 serviceEvent(eventEOF);
  80                 break;
  81         case iDVBChannel::evtSOF:
  82                 serviceEvent(eventSOF);
  83                 break;
  84         default:
  85                 break;
  86         }
  87 }
  88
  89 void eDVBServicePMTHandler::PMTready(int error)
  90 {
  91         if (error)
  92                 serviceEvent(eventNoPMT);
  93         else
  94         {
  95                 m_have_cached_program = false;
  96                 serviceEvent(eventNewProgramInfo);
  97                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  98                 {
  99                         eEPGCache::getInstance()->PMTready(this);
 100                         if(!m_ca_servicePtr)
 101                         {
 102                                 int demuxes[2] = {0,0};
 103                                 uint8_t tmp;
 104                                 m_demux->getCADemuxID(tmp);
 105                                 demuxes[0]=tmp;
 106                                 if (m_decode_demux_num != 0xFF)
 107                                         demuxes[1]=m_decode_demux_num;
 108                                 else
 109                                         demuxes[1]=demuxes[0];
 110                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 111                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 112                         }
 113                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 114                 }
 115                 if (m_ca_servicePtr)
 116                 {
 117                         ePtr<eTable<ProgramMapSection> > ptr;
 118                         if (!m_PMT.getCurrent(ptr))
 119                                 m_ca_servicePtr->buildCAPMT(ptr);
 120                         else
 121                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 122                 }
 123         }
 124 }
 125
 126 void eDVBServicePMTHandler::PATready(int)
 127 {
 128         ePtr<eTable<ProgramAssociationSection> > ptr;
 129         if (!m_PAT.getCurrent(ptr))
 130         {
 131                 int pmtpid = -1;
 132                 std::vector<ProgramAssociationSection*>::const_iterator i;
 133                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 134                 {
 135                         const ProgramAssociationSection &pat = **i;
 136                         ProgramAssociationConstIterator program;
 137                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 138                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 139                                         pmtpid = (*program)->getProgramMapPid();
 140                 }
 141                 if (pmtpid == -1)
 142                         serviceEvent(eventNoPATEntry);
 143                 else
 144                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 145         } else
 146                 serviceEvent(eventNoPAT);
 147 }
 148
 149 PyObject *eDVBServicePMTHandler::getCaIds()
 150 {
 151         ePyObject ret;
 152
 153         program prog;
 154
 155         if ( !getProgramInfo(prog) )
 156         {
 157                 int cnt=prog.caids.size();
 158                 if (cnt)
 159                 {
 160                         ret=PyList_New(cnt);
 161                         std::set<uint16_t>::iterator it(prog.caids.begin());
 162                         while(cnt--)
 163                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 164                 }
 165         }
 166
 167         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 168 }
 169
 170 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 171 {
 172         ePtr<eTable<ProgramMapSection> > ptr;
 173         int cached_apid_ac3 = -1;
 174         int cached_apid_mpeg = -1;
 175         int cached_vpid = -1;
 176         int cached_tpid = -1;
 177         int ret = -1;
 178
 179         program.videoStreams.clear();
 180         program.audioStreams.clear();
 181         program.pcrPid = -1;
 182         program.pmtPid = -1;
 183         program.textPid = -1;
 184
 185         int first_ac3 = -1;
 186         program.defaultAudioStream = 0;
 187
 188         if ( m_service && !m_service->cacheEmpty() )
 189         {
 190                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 191                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 192                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 193                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 194         }
 195
 196         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 197         {
 198                 if (m_have_cached_program)
 199                 {
 200                         program = m_cached_program;
 201                         ret = 0;
 202                 }
 203                 else
 204                 {
 205                         eDVBTableSpec table_spec;
 206                         ptr->getSpec(table_spec);
 207                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 208                         std::vector<ProgramMapSection*>::const_iterator i;
 209                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 210                         {
 211                                 const ProgramMapSection &pmt = **i;
 212                                 program.pcrPid = pmt.getPcrPid();
 213
 214                                 ElementaryStreamInfoConstIterator es;
 215                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 216                                 {
 217                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0;
 218                                         videoStream video;
 219                                         audioStream audio;
 220                                         audio.component_tag=video.component_tag=-1;
 221                                         video.type = videoStream::vtMPEG2;
 222                                         audio.type = audioStream::atMPEG;
 223
 224                                         switch ((*es)->getType())
 225                                         {
 226                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 227                                                 video.type = videoStream::vtMPEG4_H264;
 228                                                 isvideo = 1;
 229                                                 //break; fall through !!!
 230                                         case 0x10: // MPEG 4 Part 2
 231                                                 if (!isvideo)
 232                                                 {
 233                                                         video.type = videoStream::vtMPEG4_Part2;
 234                                                         isvideo = 1;
 235                                                 }
 236                                                 //break; fall through !!!
 237                                         case 0x01: // MPEG 1 video
 238                                                 if (!isvideo)
 239                                                         video.type = videoStream::vtMPEG1;
 240                                                 //break; fall through !!!
 241                                         case 0x02: // MPEG 2 video
 242                                                 isvideo = 1;
 243                                                 forced_video = 1;
 244                                                 //break; fall through !!!
 245                                         case 0x03: // MPEG 1 audio
 246                                         case 0x04: // MPEG 2 audio:
 247                                                 if (!isvideo) {
 248                                                         isaudio = 1;
 249                                                         forced_audio = 1;
 250                                                 }
 251                                                 //break; fall through !!!
 252                                         case 0x0f: // MPEG 2 AAC
 253                                                 if (!isvideo && !isaudio)
 254                                                 {
 255                                                         isaudio = 1;
 256                                                         audio.type = audioStream::atAAC;
 257                                                         forced_audio = 1;
 258                                                 }
 259                                                 //break; fall through !!!
 260                                         case 0x11: // MPEG 4 AAC
 261                                                 if (!isvideo && !isaudio)
 262                                                 {
 263                                                         isaudio = 1;
 264                                                         audio.type = audioStream::atAACHE;
 265                                                         forced_audio = 1;
 266                                                 }
 267                                         case 0x80: // user private ... but blueray LPCM
 268                                                 if (!isvideo && !isaudio)
 269                                                 {
 270                                                         isaudio = 1;
 271                                                         audio.type = audioStream::atLPCM;
 272                                                 }
 273                                         case 0x81: // user private ... but blueray AC3
 274                                                 if (!isvideo && !isaudio)
 275                                                 {
 276                                                         isaudio = 1;
 277                                                         audio.type = audioStream::atAC3;
 278                                                 }
 279                                         case 0x82: // Blueray DTS (dvb user private...)
 280                                         case 0xA2: // Blueray secondary DTS
 281                                                 if (!isvideo && !isaudio)
 282                                                 {
 283                                                         isaudio = 1;
 284                                                         audio.type = audioStream::atDTS;
 285                                                 }
 286                                         case 0x06: // PES Private
 287                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 288                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 289                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 290                                                 {
 291                                                         uint8_t tag = (*desc)->getTag();
 292                                                         /* check descriptors to get the exakt stream type. */
 293                                                         if (!forced_video && !forced_audio)
 294                                                         {
 295                                                                 switch (tag)
 296                                                                 {
 297                                                                 case AUDIO_STREAM_DESCRIPTOR:
 298                                                                         isaudio = 1;
 299                                                                         break;
 300                                                                 case VIDEO_STREAM_DESCRIPTOR:
 301                                                                 {
 302                                                                         isvideo = 1;
 303                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 304                                                                         if (d->getMpeg1OnlyFlag())
 305                                                                                 video.type = videoStream::vtMPEG1;
 306                                                                         break;
 307                                                                 }
 308                                                                 case SUBTITLING_DESCRIPTOR:
 309                                                                 {
 310                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 311                                                                         const SubtitlingList *list = d->getSubtitlings();
 312                                                                         subtitleStream s;
 313                                                                         s.pid = (*es)->getPid();
 314                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 315                                                                         {
 316                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 317                                                                                 switch(s.subtitling_type)
 318                                                                                 {
 319                                                                                 case 0x10 ... 0x13:
 320                                                                                 case 0x20 ... 0x23: // dvb subtitles
 321                                                                                         break;
 322                                                                                 default:
 323                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 324                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 325                                                                                         s.subtitling_type = 0x10;
 326                                                                                         break;
 327                                                                                 }
 328                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 329                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 330                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 331 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 332 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 333                                                                                 issubtitle=1;
 334                                                                                 program.subtitleStreams.push_back(s);
 335                                                                         }
 336                                                                         break;
 337                                                                 }
 338                                                                 case TELETEXT_DESCRIPTOR:
 339                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 340                                                                         {
 341                                                                                 subtitleStream s;
 342                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 343                                                                                 s.pid = program.textPid = (*es)->getPid();
 344                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 345                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 346                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 347                                                                                 {
 348                                                                                         switch((*it)->getTeletextType())
 349                                                                                         {
 350                                                                                         case 0x02: // Teletext subtitle page
 351                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 352                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 353                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 354                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 355 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 356 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 357                                                                                                 program.subtitleStreams.push_back(s);
 358                                                                                                 issubtitle=1;
 359                                                                                         default:
 360                                                                                                 break;
 361                                                                                         }
 362                                                                                 }
 363                                                                         }
 364                                                                         break;
 365                                                                 case DTS_DESCRIPTOR:
 366                                                                         isaudio = 1;
 367                                                                         audio.type = audioStream::atDTS;
 368                                                                         break;
 369                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 370                                                                         isaudio = 1;
 371                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 372                                                                         break;
 373                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 374                                                                 case AAC_DESCRIPTOR:
 375                                                                         isaudio = 1;
 376                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 377                                                                         break;
 378                                                                 case AC3_DESCRIPTOR:
 379                                                                         isaudio = 1;
 380                                                                         audio.type = audioStream::atAC3;
 381                                                                         break;
 382                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 383                                                                 {
 384                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 385                                                                         switch (d->getFormatIdentifier())
 386                                                                         {
 387                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 388                                                                                 isaudio = 1;
 389                                                                                 audio.type = audioStream::atDTS;
 390                                                                                 break;
 391                                                                         case 0x41432d33: // == 'AC-3'
 392                                                                                 isaudio = 1;
 393                                                                                 audio.type = audioStream::atAC3;
 394                                                                                 break;
 395                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 396                                                                                 isaudio = 1;
 397                                                                                 audio.type = audioStream::atLPCM;
 398                                                                                 break;
 399                                                                         case 0x56432d31: // == 'VC-1'
 400                                                                         {
 401                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 402                                                                                 if (vec->size() > 1 && (*vec)[1] == 0x01) // subdescriptor tag
 403                                                                                 {
 404                                                                                         if ((*vec)[2] >= 0x90) // profile_level
 405                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 406                                                                                         else
 407                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 408                                                                                         isvideo = 1;
 409                                                                                 }
 410                                                                         }
 411                                                                         default:
 412                                                                                 break;
 413                                                                         }
 414                                                                         break;
 415                                                                 }
 416                                                                 case 0x28: // TS_PSI_DT_AVC
 417                                                                         isvideo = 1;
 418                                                                         video.type = videoStream::vtMPEG4_H264;
 419                                                                         break;
 420                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 421                                                                         isvideo = 1;
 422                                                                         video.type = videoStream::vtMPEG4_Part2;
 423                                                                         break;
 424                                                                 default:
 425                                                                         break;
 426                                                                 }
 427                                                         }
 428                                                         switch (tag)
 429                                                         {
 430                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 431                                                                 if (!isvideo)
 432                                                                 {
 433                                                                         int cnt=0;
 434                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 435                                                                                 /* use last language code */
 436                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 437                                                                         {
 438                                                                                 if (cnt == 0)
 439                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 440                                                                                 else
 441                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 442                                                                         }
 443                                                                 }
 444                                                                 break;
 445                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 446                                                                 audio.component_tag =
 447                                                                         video.component_tag =
 448                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 449                                                                 break;
 450                                                         case CA_DESCRIPTOR:
 451                                                         {
 452                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 453                                                                 program.caids.insert(descr->getCaSystemId());
 454                                                                 break;
 455                                                         }
 456                                                         default:
 457                                                                 break;
 458                                                         }
 459                                                 }
 460                                         default:
 461                                                 break;
 462                                         }
 463                                         if (issubtitle && (isaudio || isvideo))
 464                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 465                                         else if (isaudio && isvideo)
 466                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 467                                         if (issubtitle)
 468                                                 continue;
 469                                         else if (isvideo)
 470                                         {
 471                                                 video.pid = (*es)->getPid();
 472                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 473                                                 {
 474                                                         program.videoStreams.push_back(program.videoStreams[0]);
 475                                                         program.videoStreams[0] = video;
 476                                                 }
 477                                                 else
 478                                                         program.videoStreams.push_back(video);
 479                                         }
 480                                         else if (isaudio)
 481                                         {
 482                                                 audio.pid = (*es)->getPid();
 483
 484                                                         /* if we find the cached pids, this will be our default stream */
 485                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 486                                                         program.defaultAudioStream = program.audioStreams.size();
 487
 488                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 489                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 490                                                         first_ac3 = program.audioStreams.size();
 491
 492                                                 program.audioStreams.push_back(audio);
 493                                         }
 494                                         else
 495                                                 continue;
 496                                 }
 497                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 498                                         desc != pmt.getDescriptors()->end(); ++desc)
 499                                 {
 500                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 501                                         {
 502                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 503                                                 program.caids.insert(descr->getCaSystemId());
 504                                         }
 505                                 }
 506                         }
 507                         ret = 0;
 508
 509                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 510                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 511                            (note: if an ac3 audio stream was selected before, this will be also stored
 512                            in 'fisrt_ac3', so we don't need to worry. */
 513                         bool defaultac3 = false;
 514                         std::string default_ac3;
 515
 516                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 517                                 defaultac3 = default_ac3 == "True";
 518
 519                         if (defaultac3 && (first_ac3 != -1))
 520                                 program.defaultAudioStream = first_ac3;
 521
 522                         m_cached_program = program;
 523                         m_have_cached_program = true;
 524                 }
 525         } else if ( m_service && !m_service->cacheEmpty() )
 526         {
 527                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 528                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 529                         cnt=0;
 530                 if ( vpidtype == -1 )
 531                         vpidtype = videoStream::vtMPEG2;
 532                 if ( cached_vpid != -1 )
 533                 {
 534                         videoStream s;
 535                         s.pid = cached_vpid;
 536                         s.type = vpidtype;
 537                         program.videoStreams.push_back(s);
 538                         ++cnt;
 539                 }
 540                 if ( cached_apid_ac3 != -1 )
 541                 {
 542                         audioStream s;
 543                         s.type = audioStream::atAC3;
 544                         s.pid = cached_apid_ac3;
 545                         program.audioStreams.push_back(s);
 546                         ++cnt;
 547                 }
 548                 if ( cached_apid_mpeg != -1 )
 549                 {
 550                         audioStream s;
 551                         s.type = audioStream::atMPEG;
 552                         s.pid = cached_apid_mpeg;
 553                         program.audioStreams.push_back(s);
 554                         ++cnt;
 555                 }
 556                 if ( cached_pcrpid != -1 )
 557                 {
 558                         ++cnt;
 559                         program.pcrPid = cached_pcrpid;
 560                 }
 561                 if ( cached_tpid != -1 )
 562                 {
 563                         ++cnt;
 564                         program.textPid = cached_tpid;
 565                 }
 566                 CAID_LIST &caids = m_service->m_ca;
 567                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 568                         program.caids.insert(*it);
 569                 if ( cnt )
 570                         ret = 0;
 571         }
 572         return ret;
 573 }
 574
 575 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 576 {
 577         channel = m_channel;
 578         if (channel)
 579                 return 0;
 580         else
 581                 return -1;
 582 }
 583
 584 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 585 {
 586         demux = m_demux;
 587         if (demux)
 588                 return 0;
 589         else
 590                 return -1;
 591 }
 592
 593 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 594 {
 595         int ret=0;
 596                 /* if we're using the decoding demux as data source
 597                    (for example in pvr playbacks), return that one. */
 598         if (m_use_decode_demux)
 599         {
 600                 demux = m_demux;
 601                 return ret;
 602         }
 603
 604         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 605
 606         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 607         if (!ret)
 608                 demux->getCADemuxID(m_decode_demux_num);
 609
 610         return ret;
 611 }
 612
 613 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 614 {
 615         pvr_channel = m_pvr_channel;
 616         if (pvr_channel)
 617                 return 0;
 618         else
 619                 return -1;
 620 }
 621
 622 void eDVBServicePMTHandler::SDTScanEvent(int event)
 623 {
 624         switch (event)
 625         {
 626                 case eDVBScan::evtFinish:
 627                 {
 628                         ePtr<iDVBChannelList> db;
 629                         if (m_resourceManager->getChannelList(db) != 0)
 630                                 eDebug("no channel list");
 631                         else
 632                         {
 633                                 eDVBChannelID chid;
 634                                 m_reference.getChannelID(chid);
 635                                 if (chid == m_dvb_scan->getCurrentChannelID())
 636                                 {
 637                                         m_dvb_scan->insertInto(db, true);
 638                                         eDebug("sdt update done!");
 639                                 }
 640                                 else
 641                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 642                         }
 643                         break;
 644                 }
 645
 646                 default:
 647                         break;
 648         }
 649 }
 650
 651 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 652 {
 653         RESULT res=0;
 654         m_reference = ref;
 655
 656         m_use_decode_demux = use_decode_demux;
 657
 658                 /* 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 */
 659         m_service = service;
 660
 661                 /* is this a normal (non PVR) channel? */
 662         if (ref.path.empty())
 663         {
 664                 eDVBChannelID chid;
 665                 ref.getChannelID(chid);
 666                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 667                 if (!simulate)
 668                         eDebug("allocate Channel: res %d", res);
 669
 670                 ePtr<iDVBChannelList> db;
 671                 if (!m_resourceManager->getChannelList(db))
 672                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 673
 674                 if (!res && !simulate)
 675                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 676         } else if (!simulate) // no simulation of playback services
 677         {
 678                 eDVBMetaParser parser;
 679
 680                 int ret=parser.parseFile(ref.path);
 681                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 682                 {
 683                         eWarning("no .meta file found, trying to find PMT pid");
 684                         eDVBTSTools tstools;
 685                         if (tstools.openFile(ref.path.c_str()))
 686                                 eWarning("failed to open file");
 687                         else
 688                         {
 689                                 int service_id, pmt_pid;
 690                                 if (!tstools.findPMT(pmt_pid, service_id))
 691                                 {
 692                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 693                                         m_reference.setServiceID(service_id);
 694                                         m_pmt_pid = pmt_pid;
 695                                 }
 696                         }
 697                 } else
 698                         m_reference = parser.m_ref;
 699
 700                 eDebug("alloc PVR");
 701                         /* allocate PVR */
 702                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 703                 if (res)
 704                         eDebug("allocatePVRChannel failed!\n");
 705                 m_channel = m_pvr_channel;
 706         }
 707
 708         if (!simulate)
 709         {
 710                 if (m_channel)
 711                 {
 712                         m_channel->connectStateChange(
 713                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 714                                 m_channelStateChanged_connection);
 715                         m_last_channel_state = -1;
 716                         channelStateChanged(m_channel);
 717
 718                         m_channel->connectEvent(
 719                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 720                                 m_channelEvent_connection);
 721
 722                         if (ref.path.empty())
 723                         {
 724                                 m_dvb_scan = 0;
 725                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 726                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 727                         }
 728                 } else
 729                 {
 730                         if (res == eDVBResourceManager::errAllSourcesBusy)
 731                                 serviceEvent(eventNoResources);
 732                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 733                                 serviceEvent(eventMisconfiguration);
 734                         return res;
 735                 }
 736
 737                 if (m_pvr_channel)
 738                 {
 739                         m_pvr_channel->setCueSheet(cue);
 740                         m_pvr_channel->playFile(ref.path.c_str());
 741                 }
 742         }
 743
 744         return res;
 745 }
 746
 747 void eDVBServicePMTHandler::free()
 748 {
 749         m_dvb_scan = 0;
 750
 751         if (m_ca_servicePtr)
 752         {
 753                 int demuxes[2] = {0,0};
 754                 uint8_t tmp;
 755                 m_demux->getCADemuxID(tmp);
 756                 demuxes[0]=tmp;
 757                 if (m_decode_demux_num != 0xFF)
 758                         demuxes[1]=m_decode_demux_num;
 759                 else
 760                         demuxes[1]=demuxes[0];
 761                 ePtr<eTable<ProgramMapSection> > ptr;
 762                 m_PMT.getCurrent(ptr);
 763                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 764                 m_ca_servicePtr = 0;
 765         }
 766
 767         if (m_channel)
 768                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 769
 770         if (m_pvr_channel)
 771         {
 772                 m_pvr_channel->stopFile();
 773                 m_pvr_channel->setCueSheet(0);
 774         }
 775
 776         m_PMT.stop();
 777         m_PAT.stop();
 778         m_service = 0;
 779         m_channel = 0;
 780         m_pvr_channel = 0;
 781         m_demux = 0;
 782 }
 783
 784 CAServiceMap eDVBCAService::exist;
 785 ChannelMap eDVBCAService::exist_channels;
 786 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 787
 788 eDVBCAService::eDVBCAService()
 789         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 790 {
 791         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 792         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 793         Connect();
 794 }
 795
 796 eDVBCAService::~eDVBCAService()
 797 {
 798         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 799         ::close(m_sock);
 800 }
 801
 802 // begin static methods
 803 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 804 {
 805         CAServiceMap::iterator it = exist.find(ref);
 806         if ( it != exist.end() )
 807                 caservice = it->second;
 808         else
 809         {
 810                 caservice = (exist[ref]=new eDVBCAService());
 811                 caservice->m_service = ref;
 812                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 813         }
 814
 815         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 816         for (int i=0; i < loops; ++i)
 817         {
 818 // search free demux entry
 819                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 820
 821                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 822                         ++iter;
 823
 824                 if ( iter < max_demux_slots )
 825                 {
 826                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 827                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 828                 }
 829                 else
 830                 {
 831                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 832                         return -1;
 833                 }
 834         }
 835         return 0;
 836 }
 837
 838 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 839 {
 840         CAServiceMap::iterator it = exist.find(ref);
 841         if ( it == exist.end() )
 842         {
 843                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 844                 return -1;
 845         }
 846         else
 847         {
 848                 eDVBCAService *caservice = it->second;
 849                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 850                 for (int i=0; i < loops; ++i)
 851                 {
 852                         bool freed = false;
 853                         int iter = 0,
 854                                 used_demux_slots = 0,
 855                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 856                         while ( iter < max_demux_slots )
 857                         {
 858                                 if ( caservice->m_used_demux[iter] != 0xFF )
 859                                 {
 860                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 861                                         {
 862                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 863                                                 caservice->m_used_demux[iter] = 0xFF;
 864                                                 freed=true;
 865                                         }
 866                                         else
 867                                                 ++used_demux_slots;
 868                                 }
 869                                 ++iter;
 870                         }
 871                         if (!freed)
 872                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 873                         if (i || loops == 1)
 874                         {
 875                                 if (!used_demux_slots)  // no more used.. so we remove it
 876                                 {
 877                                         delete it->second;
 878                                         exist.erase(it);
 879                                 }
 880                                 else
 881                                 {
 882                                         if (ptr)
 883                                                 it->second->buildCAPMT(ptr);
 884                                         else
 885                                                 eDebug("[eDVBCAService] can not send updated demux info");
 886                                 }
 887                         }
 888                 }
 889         }
 890         return 0;
 891 }
 892
 893 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 894 {
 895         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 896 }
 897
 898 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 899 {
 900         if ( chan )
 901         {
 902                 eDebug("[eDVBCAService] new channel %p!", chan);
 903                 channel_data *data = new channel_data();
 904                 data->m_channel = chan;
 905                 data->m_prevChannelState = -1;
 906                 data->m_dataDemux = -1;
 907                 exist_channels[chan] = data;
 908                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 909         }
 910 }
 911
 912 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 913 {
 914         ChannelMap::iterator it =
 915                 exist_channels.find(chan);
 916         if ( it != exist_channels.end() )
 917         {
 918                 int state=0;
 919                 chan->getState(state);
 920                 if ( it->second->m_prevChannelState != state )
 921                 {
 922                         switch (state)
 923                         {
 924                                 case iDVBChannel::state_ok:
 925                                 {
 926                                         eDebug("[eDVBCAService] channel %p running", chan);
 927                                         break;
 928                                 }
 929                                 case iDVBChannel::state_release:
 930                                 {
 931                                         eDebug("[eDVBCAService] remove channel %p", chan);
 932                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 933                                         msg[7] = it->second->m_dataDemux & 0xFF;
 934                                         int sock, clilen;
 935                                         struct sockaddr_un servaddr;
 936                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 937                                         servaddr.sun_family = AF_UNIX;
 938                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 939                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 940                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 941                                         if (sock > -1)
 942                                         {
 943                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 944                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 945                                                 int val=1;
 946                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 947                                                 if (write(sock, msg, 8) != 8)
 948                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 949                                                 close(sock);
 950                                         }
 951                                         exist_channels.erase(it);
 952                                         delete it->second;
 953                                         it->second=0;
 954                                         break;
 955                                 }
 956                                 default: // ignore all other events
 957                                         return;
 958                         }
 959                         if (it->second)
 960                                 it->second->m_prevChannelState = state;
 961                 }
 962         }
 963 }
 964
 965 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 966 {
 967         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 968         {
 969                 if (chid == it->second->m_channel->getChannelID())
 970                         return it->second;
 971         }
 972         return 0;
 973 }
 974 // end static methods
 975
 976 #define CA_REPLY_DEBUG
 977 #define MAX_LENGTH_BYTES 4
 978 #define MIN_LENGTH_BYTES 1
 979
 980 void eDVBCAService::socketCB(int what)
 981 {
 982         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
 983         {
 984                 char msgbuffer[4096];
 985                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
 986                 if (length == -1)
 987                 {
 988                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
 989                         {
 990                                 eDebug("[eSocketMMIHandler] read (%m)");
 991                                 what |= eSocketNotifier::Error;
 992                         }
 993                 } else if (length == 0)
 994                 {
 995                         what |= eSocketNotifier::Hungup;
 996                 } else
 997                 {
 998                         int len = length;
 999                         unsigned char *data = (unsigned char*)msgbuffer;
1000                         int clear = 1;
1001         // If a new message starts, then the previous message
1002         // should already have been processed. Otherwise the
1003         // previous message was incomplete and should therefore
1004         // be deleted.
1005                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1006                                 clear = 0;
1007                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1008                                 clear = 0;
1009                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1010                                 clear = 0;
1011                         if (clear)
1012                         {
1013                                 m_buffer.clear();
1014 #ifdef CA_REPLY_DEBUG
1015                                 eDebug("clear buffer");
1016 #endif
1017                         }
1018 #ifdef CA_REPLY_DEBUG
1019                         eDebug("Put to buffer:");
1020                         for (int i=0; i < len; ++i)
1021                                 eDebugNoNewLine("%02x ", data[i]);
1022                         eDebug("\n--------");
1023 #endif
1024                         m_buffer.write( data, len );
1025
1026                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1027                         {
1028                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1029                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1030                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1031                                 {
1032                                         m_buffer.skip(1);
1033 #ifdef CA_REPLY_DEBUG
1034                                         eDebug("skip %02x", tmp[0]);
1035 #endif
1036                                         continue;
1037                                 }
1038                                 if (tmp[3] & 0x80)
1039                                 {
1040                                         int peekLength = (tmp[3] & 0x7f) + 4;
1041                                         if (m_buffer.size() < peekLength)
1042                                                 continue;
1043                                         m_buffer.peek(tmp, peekLength);
1044                                 }
1045                                 int size=0;
1046                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1047                                 int messageLength = 3+LengthBytes+size;
1048                                 if ( m_buffer.size() >= messageLength )
1049                                 {
1050                                         unsigned char dest[messageLength];
1051                                         m_buffer.read(dest, messageLength);
1052 #ifdef CA_REPLY_DEBUG
1053                                         eDebug("dump ca reply:");
1054                                         for (int i=0; i < messageLength; ++i)
1055                                                 eDebugNoNewLine("%02x ", dest[i]);
1056                                         eDebug("\n--------");
1057 #endif
1058 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1059                                 }
1060                         }
1061                 }
1062         }
1063         if (what & eSocketNotifier::Hungup) {
1064                 /*eDebug("[eDVBCAService] connection closed")*/;
1065                 m_sendstate=1;
1066                 sendCAPMT();
1067         }
1068         if (what & eSocketNotifier::Error)
1069                 eDebug("[eDVBCAService] connection error");
1070 }
1071
1072 void eDVBCAService::Connect()
1073 {
1074         m_sn=0;
1075         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1076         m_servaddr.sun_family = AF_UNIX;
1077         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1078         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1079         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1080         if (m_sock != -1)
1081         {
1082                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1083                 {
1084                         int val=1;
1085                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1086                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1087                         m_sn = eSocketNotifier::create(eApp, m_sock,
1088                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1089                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1090
1091                 }
1092 //              else
1093 //                      eDebug("[eDVBCAService] connect failed %m");
1094         }
1095         else
1096                 eDebug("[eDVBCAService] create socket failed %m");
1097 }
1098
1099 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1100 {
1101         if (!ptr)
1102                 return;
1103
1104         eDVBTableSpec table_spec;
1105         ptr->getSpec(table_spec);
1106
1107         int pmtpid = table_spec.pid,
1108                 pmt_version = table_spec.version;
1109
1110         uint8_t demux_mask = 0;
1111         int data_demux = -1;
1112
1113         int iter=0, max_demux_slots = sizeof(m_used_demux);
1114         while ( iter < max_demux_slots )
1115         {
1116                 if ( m_used_demux[iter] != 0xFF )
1117                 {
1118                         if ( m_used_demux[iter] > data_demux )
1119                                 data_demux = m_used_demux[iter];
1120                         demux_mask |= (1 << m_used_demux[iter]);
1121                 }
1122                 ++iter;
1123         }
1124
1125         if ( data_demux == -1 )
1126         {
1127                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1128                 return;
1129         }
1130
1131         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1132
1133         unsigned int build_hash = ( pmtpid << 16);
1134         build_hash |= (demux_mask << 8);
1135         build_hash |= (pmt_version&0xFF);
1136
1137         if ( build_hash == m_prev_build_hash )
1138         {
1139                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1140                 return;
1141         }
1142
1143         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1144         if ( i != ptr->getSections().end() )
1145         {
1146                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1147
1148                 while( i != ptr->getSections().end() )
1149                 {
1150 //                      eDebug("append");
1151                         capmt.append(*i++);
1152                 }
1153
1154                 // add our private descriptors to capmt
1155                 uint8_t tmp[10];
1156
1157                 tmp[0]=0x84;  // pmt pid
1158                 tmp[1]=0x02;
1159                 tmp[2]=pmtpid>>8;
1160                 tmp[3]=pmtpid&0xFF;
1161                 capmt.injectDescriptor(tmp, false);
1162
1163                 tmp[0] = 0x82; // demux
1164                 tmp[1] = 0x02;
1165                 tmp[2] = demux_mask;    // descramble bitmask
1166                 tmp[3] = data_demux&0xFF; // read section data from demux number
1167                 capmt.injectDescriptor(tmp, false);
1168
1169                 tmp[0] = 0x81; // dvbnamespace
1170                 tmp[1] = 0x08;
1171                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1172                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1173                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1174                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1175                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1176                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1177                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1178                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1179                 capmt.injectDescriptor(tmp, false);
1180
1181                 capmt.writeToBuffer(m_capmt);
1182         }
1183
1184         m_prev_build_hash = build_hash;
1185
1186         if ( m_sendstate != 0xFFFFFFFF )
1187                 m_sendstate=0;
1188         sendCAPMT();
1189 }
1190
1191 void eDVBCAService::sendCAPMT()
1192 {
1193         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1194         {
1195                 ::close(m_sock);
1196                 Connect();
1197         }
1198
1199         int wp=0;
1200         if ( m_capmt[3] & 0x80 )
1201         {
1202                 int i=0;
1203                 int lenbytes = m_capmt[3] & ~0x80;
1204                 while(i < lenbytes)
1205                         wp = (wp << 8) | m_capmt[4 + i++];
1206                 wp+=4;
1207                 wp+=lenbytes;
1208         }
1209         else
1210         {
1211                 wp = m_capmt[3];
1212                 wp+=4;
1213         }
1214
1215         if ( write(m_sock, m_capmt, wp) == wp )
1216         {
1217                 m_sendstate=0xFFFFFFFF;
1218                 eDebug("[eDVBCAService] send %d bytes",wp);
1219                 eDVBChannelID chid;
1220                 m_service.getChannelID(chid);
1221                 channel_data *data = getChannelData(chid);
1222                 if (data)
1223                 {
1224                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1225                         data->m_dataDemux = m_capmt[24+lenbytes];
1226                 }
1227 #if 1
1228                 for(int i=0;i<wp;i++)
1229                         eDebugNoNewLine("%02x ", m_capmt[i]);
1230                 eDebug("");
1231 #endif
1232         }
1233         else
1234         {
1235                 switch(m_sendstate)
1236                 {
1237                         case 0xFFFFFFFF:
1238                                 ++m_sendstate;
1239                                 m_retryTimer->start(0,true);
1240 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1241                                 break;
1242                         default:
1243                                 m_retryTimer->start(5000,true);
1244 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1245                                 break;
1246                 }
1247                 ++m_sendstate;
1248         }
1249 }
1250
1251 static PyObject *createTuple(int pid, const char *type)
1252 {
1253         PyObject *r = PyTuple_New(2);
1254         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1255         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1256         return r;
1257 }
1258
1259 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1260 {
1261         PyList_Append(list, item);
1262         Py_DECREF(item);
1263 }
1264
1265 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1266
1267 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1268 {
1269         ePyObject r = PyDict_New();
1270         ePyObject l = PyList_New(0);
1271
1272         PyList_AppendSteal(l, createTuple(0, "pat"));
1273
1274         if (pmtPid != -1)
1275                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1276
1277         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1278                         i(videoStreams.begin());
1279                         i != videoStreams.end(); ++i)
1280                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1281
1282         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1283                         i(audioStreams.begin());
1284                         i != audioStreams.end(); ++i)
1285                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1286
1287         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1288                         i(subtitleStreams.begin());
1289                         i != subtitleStreams.end(); ++i)
1290                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1291
1292         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1293
1294         if (textPid != -1)
1295                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1296
1297         PutToDict(r, "pids", l);
1298
1299         return r;
1300 }