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