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(); i != ptr->getSections().end(); ++i)
 137                 {
 138                         const ProgramAssociationSection &pat = **i;
 139                         ProgramAssociationConstIterator program;
 140                         for (program = pat.getPrograms()->begin(); 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()
 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<uint16_t>::iterator it(prog.caids.begin());
 165                         while(cnt--)
 166                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 167                 }
 168         }
 169
 170         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 171 }
 172
 173 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 174 {
 175         ePtr<eTable<ProgramMapSection> > ptr;
 176         int cached_apid_ac3 = -1;
 177         int cached_apid_mpeg = -1;
 178         int cached_vpid = -1;
 179         int cached_tpid = -1;
 180         int ret = -1;
 181
 182         program.videoStreams.clear();
 183         program.audioStreams.clear();
 184         program.pcrPid = -1;
 185         program.pmtPid = -1;
 186         program.textPid = -1;
 187
 188         int first_ac3 = -1;
 189         program.defaultAudioStream = 0;
 190         audioStream *prev_audio = 0;
 191
 192         if ( m_service && !m_service->cacheEmpty() )
 193         {
 194                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 195                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 196                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 197                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 198         }
 199
 200         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 201         {
 202                 if (m_have_cached_program)
 203                 {
 204                         program = m_cached_program;
 205                         ret = 0;
 206                 }
 207                 else
 208                 {
 209                         eDVBTableSpec table_spec;
 210                         ptr->getSpec(table_spec);
 211                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 212                         std::vector<ProgramMapSection*>::const_iterator i;
 213                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 214                         {
 215                                 const ProgramMapSection &pmt = **i;
 216                                 program.pcrPid = pmt.getPcrPid();
 217
 218                                 ElementaryStreamInfoConstIterator es;
 219                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 220                                 {
 221                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 222                                         int streamtype = (*es)->getType();
 223                                         videoStream video;
 224                                         audioStream audio;
 225                                         audio.component_tag=video.component_tag=-1;
 226                                         video.type = videoStream::vtMPEG2;
 227                                         audio.type = audioStream::atMPEG;
 228                                         audio.rdsPid = -1;
 229
 230                                         switch (streamtype)
 231                                         {
 232                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 233                                                 video.type = videoStream::vtMPEG4_H264;
 234                                                 isvideo = 1;
 235                                                 //break; fall through !!!
 236                                         case 0x10: // MPEG 4 Part 2
 237                                                 if (!isvideo)
 238                                                 {
 239                                                         video.type = videoStream::vtMPEG4_Part2;
 240                                                         isvideo = 1;
 241                                                 }
 242                                                 //break; fall through !!!
 243                                         case 0x01: // MPEG 1 video
 244                                                 if (!isvideo)
 245                                                         video.type = videoStream::vtMPEG1;
 246                                                 //break; fall through !!!
 247                                         case 0x02: // MPEG 2 video
 248                                                 isvideo = 1;
 249                                                 forced_video = 1;
 250                                                 //break; fall through !!!
 251                                         case 0x03: // MPEG 1 audio
 252                                         case 0x04: // MPEG 2 audio:
 253                                                 if (!isvideo) {
 254                                                         isaudio = 1;
 255                                                         forced_audio = 1;
 256                                                 }
 257                                                 //break; fall through !!!
 258                                         case 0x0f: // MPEG 2 AAC
 259                                                 if (!isvideo && !isaudio)
 260                                                 {
 261                                                         isaudio = 1;
 262                                                         audio.type = audioStream::atAAC;
 263                                                         forced_audio = 1;
 264                                                 }
 265                                                 //break; fall through !!!
 266                                         case 0x11: // MPEG 4 AAC
 267                                                 if (!isvideo && !isaudio)
 268                                                 {
 269                                                         isaudio = 1;
 270                                                         audio.type = audioStream::atAACHE;
 271                                                         forced_audio = 1;
 272                                                 }
 273                                         case 0x80: // user private ... but blueray LPCM
 274                                                 if (!isvideo && !isaudio)
 275                                                 {
 276                                                         isaudio = 1;
 277                                                         audio.type = audioStream::atLPCM;
 278                                                 }
 279                                         case 0x81: // user private ... but blueray AC3
 280                                                 if (!isvideo && !isaudio)
 281                                                 {
 282                                                         isaudio = 1;
 283                                                         audio.type = audioStream::atAC3;
 284                                                 }
 285                                         case 0x82: // Blueray DTS (dvb user private...)
 286                                         case 0xA2: // Blueray secondary DTS
 287                                                 if (!isvideo && !isaudio)
 288                                                 {
 289                                                         isaudio = 1;
 290                                                         audio.type = audioStream::atDTS;
 291                                                 }
 292                                         case 0x06: // PES Private
 293                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 294                                         {
 295                                                 int num_descriptors = 0;
 296                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 297                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 298                                                 {
 299                                                         uint8_t tag = (*desc)->getTag();
 300                                                         /* check descriptors to get the exakt stream type. */
 301                                                         ++num_descriptors;
 302                                                         if (!forced_video && !forced_audio)
 303                                                         {
 304                                                                 switch (tag)
 305                                                                 {
 306                                                                 case AUDIO_STREAM_DESCRIPTOR:
 307                                                                         isaudio = 1;
 308                                                                         break;
 309                                                                 case VIDEO_STREAM_DESCRIPTOR:
 310                                                                 {
 311                                                                         isvideo = 1;
 312                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 313                                                                         if (d->getMpeg1OnlyFlag())
 314                                                                                 video.type = videoStream::vtMPEG1;
 315                                                                         break;
 316                                                                 }
 317                                                                 case SUBTITLING_DESCRIPTOR:
 318                                                                 {
 319                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 320                                                                         const SubtitlingList *list = d->getSubtitlings();
 321                                                                         subtitleStream s;
 322                                                                         s.pid = (*es)->getPid();
 323                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 324                                                                         {
 325                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 326                                                                                 switch(s.subtitling_type)
 327                                                                                 {
 328                                                                                 case 0x10 ... 0x13:
 329                                                                                 case 0x20 ... 0x23: // dvb subtitles
 330                                                                                         break;
 331                                                                                 default:
 332                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 333                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 334                                                                                         s.subtitling_type = 0x10;
 335                                                                                         break;
 336                                                                                 }
 337                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 338                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 339                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 340 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 341 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 342                                                                                 issubtitle=1;
 343                                                                                 program.subtitleStreams.push_back(s);
 344                                                                         }
 345                                                                         break;
 346                                                                 }
 347                                                                 case TELETEXT_DESCRIPTOR:
 348                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 349                                                                         {
 350                                                                                 subtitleStream s;
 351                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 352                                                                                 s.pid = program.textPid = (*es)->getPid();
 353                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 354                                                                                 isteletext = 1;
 355                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 356                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 357                                                                                 {
 358                                                                                         switch((*it)->getTeletextType())
 359                                                                                         {
 360                                                                                         case 0x02: // Teletext subtitle page
 361                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 362                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 363                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 364                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 365 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 366 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 367                                                                                                 program.subtitleStreams.push_back(s);
 368                                                                                                 issubtitle=1;
 369                                                                                         default:
 370                                                                                                 break;
 371                                                                                         }
 372                                                                                 }
 373                                                                         }
 374                                                                         break;
 375                                                                 case DTS_DESCRIPTOR:
 376                                                                         isaudio = 1;
 377                                                                         audio.type = audioStream::atDTS;
 378                                                                         break;
 379                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 380                                                                         isaudio = 1;
 381                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 382                                                                         break;
 383                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 384                                                                 case AAC_DESCRIPTOR:
 385                                                                         isaudio = 1;
 386                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 387                                                                         break;
 388                                                                 case AC3_DESCRIPTOR:
 389                                                                         isaudio = 1;
 390                                                                         audio.type = audioStream::atAC3;
 391                                                                         break;
 392                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 393                                                                 {
 394                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 395                                                                         switch (d->getFormatIdentifier())
 396                                                                         {
 397                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 398                                                                                 isaudio = 1;
 399                                                                                 audio.type = audioStream::atDTS;
 400                                                                                 break;
 401                                                                         case 0x41432d33: // == 'AC-3'
 402                                                                                 isaudio = 1;
 403                                                                                 audio.type = audioStream::atAC3;
 404                                                                                 break;
 405                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 406                                                                                 isaudio = 1;
 407                                                                                 audio.type = audioStream::atLPCM;
 408                                                                                 break;
 409                                                                         case 0x56432d31: // == 'VC-1'
 410                                                                         {
 411                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 412                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 413                                                                                 {
 414                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 415                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 416                                                                                         else
 417                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 418                                                                                         isvideo = 1;
 419                                                                                 }
 420                                                                         }
 421                                                                         default:
 422                                                                                 break;
 423                                                                         }
 424                                                                         break;
 425                                                                 }
 426                                                                 case 0x28: // TS_PSI_DT_AVC
 427                                                                         isvideo = 1;
 428                                                                         video.type = videoStream::vtMPEG4_H264;
 429                                                                         break;
 430                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 431                                                                         isvideo = 1;
 432                                                                         video.type = videoStream::vtMPEG4_Part2;
 433                                                                         break;
 434                                                                 default:
 435                                                                         break;
 436                                                                 }
 437                                                         }
 438                                                         switch (tag)
 439                                                         {
 440                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 441                                                                 if (!isvideo)
 442                                                                 {
 443                                                                         int cnt=0;
 444                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 445                                                                                 /* use last language code */
 446                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 447                                                                         {
 448                                                                                 if (cnt == 0)
 449                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 450                                                                                 else
 451                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 452                                                                         }
 453                                                                 }
 454                                                                 break;
 455                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 456                                                                 audio.component_tag =
 457                                                                         video.component_tag =
 458                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 459                                                                 break;
 460                                                         case CA_DESCRIPTOR:
 461                                                         {
 462                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 463                                                                 program.caids.insert(descr->getCaSystemId());
 464                                                                 break;
 465                                                         }
 466                                                         default:
 467                                                                 break;
 468                                                         }
 469                                                 }
 470                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 471                                                 {
 472                                                         prev_audio->rdsPid = (*es)->getPid();
 473                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 474                                                 }
 475                                                 prev_audio = 0;
 476                                         }
 477                                         default:
 478                                                 break;
 479                                         }
 480                                         if (isteletext && (isaudio || isvideo))
 481                                         {
 482                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 483                                                 continue; // continue with next PID
 484                                         }
 485                                         else if (issubtitle && (isaudio || isvideo))
 486                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 487                                         else if (isaudio && isvideo)
 488                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 489                                         if (issubtitle) // continue with next PID
 490                                                 continue;
 491                                         else if (isvideo)
 492                                         {
 493                                                 video.pid = (*es)->getPid();
 494                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 495                                                 {
 496                                                         program.videoStreams.push_back(program.videoStreams[0]);
 497                                                         program.videoStreams[0] = video;
 498                                                 }
 499                                                 else
 500                                                         program.videoStreams.push_back(video);
 501                                         }
 502                                         else if (isaudio)
 503                                         {
 504                                                 audio.pid = (*es)->getPid();
 505
 506                                                         /* if we find the cached pids, this will be our default stream */
 507                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 508                                                         program.defaultAudioStream = program.audioStreams.size();
 509
 510                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 511                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 512                                                         first_ac3 = program.audioStreams.size();
 513
 514                                                 program.audioStreams.push_back(audio);
 515                                                 prev_audio = &program.audioStreams.back();
 516                                         }
 517                                         else
 518                                                 continue;
 519                                 }
 520                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 521                                         desc != pmt.getDescriptors()->end(); ++desc)
 522                                 {
 523                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 524                                         {
 525                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 526                                                 program.caids.insert(descr->getCaSystemId());
 527                                         }
 528                                 }
 529                         }
 530                         ret = 0;
 531
 532                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 533                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 534                            (note: if an ac3 audio stream was selected before, this will be also stored
 535                            in 'fisrt_ac3', so we don't need to worry. */
 536                         bool defaultac3 = false;
 537                         std::string default_ac3;
 538
 539                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 540                                 defaultac3 = default_ac3 == "True";
 541
 542                         if (defaultac3 && (first_ac3 != -1))
 543                                 program.defaultAudioStream = first_ac3;
 544
 545                         m_cached_program = program;
 546                         m_have_cached_program = true;
 547                 }
 548         } else if ( m_service && !m_service->cacheEmpty() )
 549         {
 550                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 551                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 552                         cnt=0;
 553                 if ( vpidtype == -1 )
 554                         vpidtype = videoStream::vtMPEG2;
 555                 if ( cached_vpid != -1 )
 556                 {
 557                         videoStream s;
 558                         s.pid = cached_vpid;
 559                         s.type = vpidtype;
 560                         program.videoStreams.push_back(s);
 561                         ++cnt;
 562                 }
 563                 if ( cached_apid_ac3 != -1 )
 564                 {
 565                         audioStream s;
 566                         s.type = audioStream::atAC3;
 567                         s.pid = cached_apid_ac3;
 568                         s.rdsPid = -1;
 569                         program.audioStreams.push_back(s);
 570                         ++cnt;
 571                 }
 572                 if ( cached_apid_mpeg != -1 )
 573                 {
 574                         audioStream s;
 575                         s.type = audioStream::atMPEG;
 576                         s.pid = cached_apid_mpeg;
 577                         s.rdsPid = -1;
 578                         program.audioStreams.push_back(s);
 579                         ++cnt;
 580                 }
 581                 if ( cached_pcrpid != -1 )
 582                 {
 583                         ++cnt;
 584                         program.pcrPid = cached_pcrpid;
 585                 }
 586                 if ( cached_tpid != -1 )
 587                 {
 588                         ++cnt;
 589                         program.textPid = cached_tpid;
 590                 }
 591                 CAID_LIST &caids = m_service->m_ca;
 592                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 593                         program.caids.insert(*it);
 594                 if ( cnt )
 595                         ret = 0;
 596         }
 597         return ret;
 598 }
 599
 600 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 601 {
 602         channel = m_channel;
 603         if (channel)
 604                 return 0;
 605         else
 606                 return -1;
 607 }
 608
 609 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 610 {
 611         demux = m_demux;
 612         if (demux)
 613                 return 0;
 614         else
 615                 return -1;
 616 }
 617
 618 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 619 {
 620         int ret=0;
 621                 /* if we're using the decoding demux as data source
 622                    (for example in pvr playbacks), return that one. */
 623         if (m_use_decode_demux)
 624         {
 625                 demux = m_demux;
 626                 return ret;
 627         }
 628
 629         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 630
 631         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 632         if (!ret)
 633                 demux->getCADemuxID(m_decode_demux_num);
 634
 635         return ret;
 636 }
 637
 638 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 639 {
 640         pvr_channel = m_pvr_channel;
 641         if (pvr_channel)
 642                 return 0;
 643         else
 644                 return -1;
 645 }
 646
 647 void eDVBServicePMTHandler::SDTScanEvent(int event)
 648 {
 649         switch (event)
 650         {
 651                 case eDVBScan::evtFinish:
 652                 {
 653                         ePtr<iDVBChannelList> db;
 654                         if (m_resourceManager->getChannelList(db) != 0)
 655                                 eDebug("no channel list");
 656                         else
 657                         {
 658                                 eDVBChannelID chid;
 659                                 m_reference.getChannelID(chid);
 660                                 if (chid == m_dvb_scan->getCurrentChannelID())
 661                                 {
 662                                         m_dvb_scan->insertInto(db, true);
 663                                         eDebug("sdt update done!");
 664                                 }
 665                                 else
 666                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 667                         }
 668                         break;
 669                 }
 670
 671                 default:
 672                         break;
 673         }
 674 }
 675
 676 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 677 {
 678         RESULT res=0;
 679         m_reference = ref;
 680
 681         m_use_decode_demux = use_decode_demux;
 682
 683                 /* 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 */
 684         m_service = service;
 685
 686                 /* is this a normal (non PVR) channel? */
 687         if (ref.path.empty())
 688         {
 689                 eDVBChannelID chid;
 690                 ref.getChannelID(chid);
 691                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 692                 if (!simulate)
 693                         eDebug("allocate Channel: res %d", res);
 694
 695                 ePtr<iDVBChannelList> db;
 696                 if (!m_resourceManager->getChannelList(db))
 697                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 698
 699                 if (!res && !simulate)
 700                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 701         } else if (!simulate) // no simulation of playback services
 702         {
 703                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 704                 {
 705                         eWarning("no .meta file found, trying to find PMT pid");
 706                         eDVBTSTools tstools;
 707                         if (tstools.openFile(ref.path.c_str()))
 708                                 eWarning("failed to open file");
 709                         else
 710                         {
 711                                 int service_id, pmt_pid;
 712                                 if (!tstools.findPMT(pmt_pid, service_id))
 713                                 {
 714                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 715                                         m_reference.setServiceID(service_id);
 716                                         m_pmt_pid = pmt_pid;
 717                                 }
 718                         }
 719                 }
 720                 eDebug("alloc PVR");
 721                         /* allocate PVR */
 722                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 723                 if (res)
 724                         eDebug("allocatePVRChannel failed!\n");
 725                 m_channel = m_pvr_channel;
 726         }
 727
 728         if (!simulate)
 729         {
 730                 if (m_channel)
 731                 {
 732                         m_channel->connectStateChange(
 733                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 734                                 m_channelStateChanged_connection);
 735                         m_last_channel_state = -1;
 736                         channelStateChanged(m_channel);
 737
 738                         m_channel->connectEvent(
 739                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 740                                 m_channelEvent_connection);
 741
 742                         if (ref.path.empty())
 743                         {
 744                                 m_dvb_scan = 0;
 745                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 746                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 747                         }
 748                 } else
 749                 {
 750                         if (res == eDVBResourceManager::errAllSourcesBusy)
 751                                 serviceEvent(eventNoResources);
 752                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 753                                 serviceEvent(eventMisconfiguration);
 754                         return res;
 755                 }
 756
 757                 if (m_pvr_channel)
 758                 {
 759                         m_pvr_channel->setCueSheet(cue);
 760                         m_pvr_channel->playFile(ref.path.c_str());
 761                 }
 762         }
 763
 764         return res;
 765 }
 766
 767 void eDVBServicePMTHandler::free()
 768 {
 769         m_dvb_scan = 0;
 770
 771         if (m_ca_servicePtr)
 772         {
 773                 int demuxes[2] = {0,0};
 774                 uint8_t tmp;
 775                 m_demux->getCADemuxID(tmp);
 776                 demuxes[0]=tmp;
 777                 if (m_decode_demux_num != 0xFF)
 778                         demuxes[1]=m_decode_demux_num;
 779                 else
 780                         demuxes[1]=demuxes[0];
 781                 ePtr<eTable<ProgramMapSection> > ptr;
 782                 m_PMT.getCurrent(ptr);
 783                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 784                 m_ca_servicePtr = 0;
 785         }
 786
 787         if (m_channel)
 788                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 789
 790         if (m_pvr_channel)
 791         {
 792                 m_pvr_channel->stopFile();
 793                 m_pvr_channel->setCueSheet(0);
 794         }
 795
 796         m_PMT.stop();
 797         m_PAT.stop();
 798         m_service = 0;
 799         m_channel = 0;
 800         m_pvr_channel = 0;
 801         m_demux = 0;
 802 }
 803
 804 CAServiceMap eDVBCAService::exist;
 805 ChannelMap eDVBCAService::exist_channels;
 806 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 807
 808 eDVBCAService::eDVBCAService()
 809         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 810 {
 811         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 812         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 813         Connect();
 814 }
 815
 816 eDVBCAService::~eDVBCAService()
 817 {
 818         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 819         ::close(m_sock);
 820 }
 821
 822 // begin static methods
 823 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 824 {
 825         CAServiceMap::iterator it = exist.find(ref);
 826         if ( it != exist.end() )
 827                 caservice = it->second;
 828         else
 829         {
 830                 caservice = (exist[ref]=new eDVBCAService());
 831                 caservice->m_service = ref;
 832                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 833         }
 834
 835         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 836         for (int i=0; i < loops; ++i)
 837         {
 838 // search free demux entry
 839                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 840
 841                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 842                         ++iter;
 843
 844                 if ( iter < max_demux_slots )
 845                 {
 846                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 847                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 848                 }
 849                 else
 850                 {
 851                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 852                         return -1;
 853                 }
 854         }
 855         return 0;
 856 }
 857
 858 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 859 {
 860         CAServiceMap::iterator it = exist.find(ref);
 861         if ( it == exist.end() )
 862         {
 863                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 864                 return -1;
 865         }
 866         else
 867         {
 868                 eDVBCAService *caservice = it->second;
 869                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 870                 for (int i=0; i < loops; ++i)
 871                 {
 872                         bool freed = false;
 873                         int iter = 0,
 874                                 used_demux_slots = 0,
 875                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 876                         while ( iter < max_demux_slots )
 877                         {
 878                                 if ( caservice->m_used_demux[iter] != 0xFF )
 879                                 {
 880                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 881                                         {
 882                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 883                                                 caservice->m_used_demux[iter] = 0xFF;
 884                                                 freed=true;
 885                                         }
 886                                         else
 887                                                 ++used_demux_slots;
 888                                 }
 889                                 ++iter;
 890                         }
 891                         if (!freed)
 892                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 893                         if (i || loops == 1)
 894                         {
 895                                 if (!used_demux_slots)  // no more used.. so we remove it
 896                                 {
 897                                         delete it->second;
 898                                         exist.erase(it);
 899                                 }
 900                                 else
 901                                 {
 902                                         if (ptr)
 903                                                 it->second->buildCAPMT(ptr);
 904                                         else
 905                                                 eDebug("[eDVBCAService] can not send updated demux info");
 906                                 }
 907                         }
 908                 }
 909         }
 910         return 0;
 911 }
 912
 913 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 914 {
 915         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 916 }
 917
 918 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 919 {
 920         if ( chan )
 921         {
 922                 eDebug("[eDVBCAService] new channel %p!", chan);
 923                 channel_data *data = new channel_data();
 924                 data->m_channel = chan;
 925                 data->m_prevChannelState = -1;
 926                 data->m_dataDemux = -1;
 927                 exist_channels[chan] = data;
 928                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 929         }
 930 }
 931
 932 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 933 {
 934         ChannelMap::iterator it =
 935                 exist_channels.find(chan);
 936         if ( it != exist_channels.end() )
 937         {
 938                 int state=0;
 939                 chan->getState(state);
 940                 if ( it->second->m_prevChannelState != state )
 941                 {
 942                         switch (state)
 943                         {
 944                                 case iDVBChannel::state_ok:
 945                                 {
 946                                         eDebug("[eDVBCAService] channel %p running", chan);
 947                                         break;
 948                                 }
 949                                 case iDVBChannel::state_release:
 950                                 {
 951                                         eDebug("[eDVBCAService] remove channel %p", chan);
 952                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 953                                         msg[7] = it->second->m_dataDemux & 0xFF;
 954                                         int sock, clilen;
 955                                         struct sockaddr_un servaddr;
 956                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 957                                         servaddr.sun_family = AF_UNIX;
 958                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 959                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 960                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 961                                         if (sock > -1)
 962                                         {
 963                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 964                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 965                                                 int val=1;
 966                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 967                                                 if (write(sock, msg, 8) != 8)
 968                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 969                                                 close(sock);
 970                                         }
 971                                         exist_channels.erase(it);
 972                                         delete it->second;
 973                                         it->second=0;
 974                                         break;
 975                                 }
 976                                 default: // ignore all other events
 977                                         return;
 978                         }
 979                         if (it->second)
 980                                 it->second->m_prevChannelState = state;
 981                 }
 982         }
 983 }
 984
 985 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 986 {
 987         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 988         {
 989                 if (chid == it->second->m_channel->getChannelID())
 990                         return it->second;
 991         }
 992         return 0;
 993 }
 994 // end static methods
 995
 996 #define CA_REPLY_DEBUG
 997 #define MAX_LENGTH_BYTES 4
 998 #define MIN_LENGTH_BYTES 1
 999
1000 void eDVBCAService::socketCB(int what)
1001 {
1002         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1003         {
1004                 char msgbuffer[4096];
1005                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1006                 if (length == -1)
1007                 {
1008                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1009                         {
1010                                 eDebug("[eSocketMMIHandler] read (%m)");
1011                                 what |= eSocketNotifier::Error;
1012                         }
1013                 } else if (length == 0)
1014                 {
1015                         what |= eSocketNotifier::Hungup;
1016                 } else
1017                 {
1018                         int len = length;
1019                         unsigned char *data = (unsigned char*)msgbuffer;
1020                         int clear = 1;
1021         // If a new message starts, then the previous message
1022         // should already have been processed. Otherwise the
1023         // previous message was incomplete and should therefore
1024         // be deleted.
1025                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1026                                 clear = 0;
1027                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1028                                 clear = 0;
1029                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1030                                 clear = 0;
1031                         if (clear)
1032                         {
1033                                 m_buffer.clear();
1034 #ifdef CA_REPLY_DEBUG
1035                                 eDebug("clear buffer");
1036 #endif
1037                         }
1038 #ifdef CA_REPLY_DEBUG
1039                         eDebug("Put to buffer:");
1040                         for (int i=0; i < len; ++i)
1041                                 eDebugNoNewLine("%02x ", data[i]);
1042                         eDebug("\n--------");
1043 #endif
1044                         m_buffer.write( data, len );
1045
1046                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1047                         {
1048                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1049                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1050                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1051                                 {
1052                                         m_buffer.skip(1);
1053 #ifdef CA_REPLY_DEBUG
1054                                         eDebug("skip %02x", tmp[0]);
1055 #endif
1056                                         continue;
1057                                 }
1058                                 if (tmp[3] & 0x80)
1059                                 {
1060                                         int peekLength = (tmp[3] & 0x7f) + 4;
1061                                         if (m_buffer.size() < peekLength)
1062                                                 continue;
1063                                         m_buffer.peek(tmp, peekLength);
1064                                 }
1065                                 int size=0;
1066                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1067                                 int messageLength = 3+LengthBytes+size;
1068                                 if ( m_buffer.size() >= messageLength )
1069                                 {
1070                                         unsigned char dest[messageLength];
1071                                         m_buffer.read(dest, messageLength);
1072 #ifdef CA_REPLY_DEBUG
1073                                         eDebug("dump ca reply:");
1074                                         for (int i=0; i < messageLength; ++i)
1075                                                 eDebugNoNewLine("%02x ", dest[i]);
1076                                         eDebug("\n--------");
1077 #endif
1078 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1079                                 }
1080                         }
1081                 }
1082         }
1083         if (what & eSocketNotifier::Hungup) {
1084                 /*eDebug("[eDVBCAService] connection closed")*/;
1085                 m_sendstate=1;
1086                 sendCAPMT();
1087         }
1088         if (what & eSocketNotifier::Error)
1089                 eDebug("[eDVBCAService] connection error");
1090 }
1091
1092 void eDVBCAService::Connect()
1093 {
1094         m_sn=0;
1095         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1096         m_servaddr.sun_family = AF_UNIX;
1097         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1098         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1099         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1100         if (m_sock != -1)
1101         {
1102                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1103                 {
1104                         int val=1;
1105                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1106                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1107                         m_sn = eSocketNotifier::create(eApp, m_sock,
1108                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1109                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1110
1111                 }
1112 //              else
1113 //                      eDebug("[eDVBCAService] connect failed %m");
1114         }
1115         else
1116                 eDebug("[eDVBCAService] create socket failed %m");
1117 }
1118
1119 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1120 {
1121         if (!ptr)
1122                 return;
1123
1124         eDVBTableSpec table_spec;
1125         ptr->getSpec(table_spec);
1126
1127         int pmtpid = table_spec.pid,
1128                 pmt_version = table_spec.version;
1129
1130         uint8_t demux_mask = 0;
1131         int data_demux = -1;
1132
1133         int iter=0, max_demux_slots = sizeof(m_used_demux);
1134         while ( iter < max_demux_slots )
1135         {
1136                 if ( m_used_demux[iter] != 0xFF )
1137                 {
1138                         if ( m_used_demux[iter] > data_demux )
1139                                 data_demux = m_used_demux[iter];
1140                         demux_mask |= (1 << m_used_demux[iter]);
1141                 }
1142                 ++iter;
1143         }
1144
1145         if ( data_demux == -1 )
1146         {
1147                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1148                 return;
1149         }
1150
1151         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1152
1153         unsigned int build_hash = ( pmtpid << 16);
1154         build_hash |= (demux_mask << 8);
1155         build_hash |= (pmt_version&0xFF);
1156
1157         if ( build_hash == m_prev_build_hash )
1158         {
1159                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1160                 return;
1161         }
1162
1163         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1164         if ( i != ptr->getSections().end() )
1165         {
1166                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1167
1168                 while( i != ptr->getSections().end() )
1169                 {
1170 //                      eDebug("append");
1171                         capmt.append(*i++);
1172                 }
1173
1174                 // add our private descriptors to capmt
1175                 uint8_t tmp[10];
1176
1177                 tmp[0]=0x84;  // pmt pid
1178                 tmp[1]=0x02;
1179                 tmp[2]=pmtpid>>8;
1180                 tmp[3]=pmtpid&0xFF;
1181                 capmt.injectDescriptor(tmp, false);
1182
1183                 tmp[0] = 0x82; // demux
1184                 tmp[1] = 0x02;
1185                 tmp[2] = demux_mask;    // descramble bitmask
1186                 tmp[3] = data_demux&0xFF; // read section data from demux number
1187                 capmt.injectDescriptor(tmp, false);
1188
1189                 tmp[0] = 0x81; // dvbnamespace
1190                 tmp[1] = 0x08;
1191                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1192                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1193                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1194                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1195                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1196                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1197                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1198                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1199                 capmt.injectDescriptor(tmp, false);
1200
1201                 capmt.writeToBuffer(m_capmt);
1202         }
1203
1204         m_prev_build_hash = build_hash;
1205
1206         if ( m_sendstate != 0xFFFFFFFF )
1207                 m_sendstate=0;
1208         sendCAPMT();
1209 }
1210
1211 void eDVBCAService::sendCAPMT()
1212 {
1213         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1214         {
1215                 ::close(m_sock);
1216                 Connect();
1217         }
1218
1219         int wp=0;
1220         if ( m_capmt[3] & 0x80 )
1221         {
1222                 int i=0;
1223                 int lenbytes = m_capmt[3] & ~0x80;
1224                 while(i < lenbytes)
1225                         wp = (wp << 8) | m_capmt[4 + i++];
1226                 wp+=4;
1227                 wp+=lenbytes;
1228         }
1229         else
1230         {
1231                 wp = m_capmt[3];
1232                 wp+=4;
1233         }
1234
1235         if ( write(m_sock, m_capmt, wp) == wp )
1236         {
1237                 m_sendstate=0xFFFFFFFF;
1238                 eDebug("[eDVBCAService] send %d bytes",wp);
1239                 eDVBChannelID chid;
1240                 m_service.getChannelID(chid);
1241                 channel_data *data = getChannelData(chid);
1242                 if (data)
1243                 {
1244                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1245                         data->m_dataDemux = m_capmt[24+lenbytes];
1246                 }
1247 #if 1
1248                 for(int i=0;i<wp;i++)
1249                         eDebugNoNewLine("%02x ", m_capmt[i]);
1250                 eDebug("");
1251 #endif
1252         }
1253         else
1254         {
1255                 switch(m_sendstate)
1256                 {
1257                         case 0xFFFFFFFF:
1258                                 ++m_sendstate;
1259                                 m_retryTimer->start(0,true);
1260 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1261                                 break;
1262                         default:
1263                                 m_retryTimer->start(5000,true);
1264 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1265                                 break;
1266                 }
1267                 ++m_sendstate;
1268         }
1269 }
1270
1271 static PyObject *createTuple(int pid, const char *type)
1272 {
1273         PyObject *r = PyTuple_New(2);
1274         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1275         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1276         return r;
1277 }
1278
1279 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1280 {
1281         PyList_Append(list, item);
1282         Py_DECREF(item);
1283 }
1284
1285 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1286
1287 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1288 {
1289         ePyObject r = PyDict_New();
1290         ePyObject l = PyList_New(0);
1291
1292         PyList_AppendSteal(l, createTuple(0, "pat"));
1293
1294         if (pmtPid != -1)
1295                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1296
1297         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1298                         i(videoStreams.begin());
1299                         i != videoStreams.end(); ++i)
1300                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1301
1302         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1303                         i(audioStreams.begin());
1304                         i != audioStreams.end(); ++i)
1305                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1306
1307         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1308                         i(subtitleStreams.begin());
1309                         i != subtitleStreams.end(); ++i)
1310                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1311
1312         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1313
1314         if (textPid != -1)
1315                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1316
1317         PutToDict(r, "pids", l);
1318
1319         return r;
1320 }