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 service_id_single = -1;
 135                 int pmtpid_single = -1;
 136                 int pmtpid = -1;
 137                 std::vector<ProgramAssociationSection*>::const_iterator i;
 138                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 139                 {
 140                         const ProgramAssociationSection &pat = **i;
 141                         ProgramAssociationConstIterator program;
 142                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 143                         {
 144                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 145                                         pmtpid = (*program)->getProgramMapPid();
 146                                 if (pmtpid_single == -1 && pmtpid == -1)
 147                                 {
 148                                         pmtpid_single = (*program)->getProgramMapPid();
 149                                         service_id_single = (*program)->getProgramNumber();
 150                                 }
 151                                 else
 152                                         pmtpid_single = service_id_single = -1;
 153                         }
 154                 }
 155                 if (pmtpid_single != -1) // only one PAT entry .. so we use this one
 156                 {
 157                         m_reference.setServiceID(eServiceID(service_id_single));
 158                         pmtpid = pmtpid_single;
 159                 }
 160                 if (pmtpid == -1)
 161                         serviceEvent(eventNoPATEntry);
 162                 else
 163                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 164         } else
 165                 serviceEvent(eventNoPAT);
 166 }
 167
 168 PyObject *eDVBServicePMTHandler::getCaIds()
 169 {
 170         ePyObject ret;
 171
 172         program prog;
 173
 174         if ( !getProgramInfo(prog) )
 175         {
 176                 int cnt=prog.caids.size();
 177                 if (cnt)
 178                 {
 179                         ret=PyList_New(cnt);
 180                         std::set<uint16_t>::iterator it(prog.caids.begin());
 181                         while(cnt--)
 182                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 183                 }
 184         }
 185
 186         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 187 }
 188
 189 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 190 {
 191         ePtr<eTable<ProgramMapSection> > ptr;
 192         int cached_apid_ac3 = -1;
 193         int cached_apid_mpeg = -1;
 194         int cached_vpid = -1;
 195         int cached_tpid = -1;
 196         int ret = -1;
 197
 198         program.videoStreams.clear();
 199         program.audioStreams.clear();
 200         program.pcrPid = -1;
 201         program.pmtPid = -1;
 202         program.textPid = -1;
 203
 204         int first_ac3 = -1;
 205         program.defaultAudioStream = 0;
 206         audioStream *prev_audio = 0;
 207
 208         if ( m_service && !m_service->cacheEmpty() )
 209         {
 210                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 211                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 212                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 213                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 214         }
 215
 216         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 217         {
 218                 if (m_have_cached_program)
 219                 {
 220                         program = m_cached_program;
 221                         ret = 0;
 222                 }
 223                 else
 224                 {
 225                         eDVBTableSpec table_spec;
 226                         ptr->getSpec(table_spec);
 227                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 228                         std::vector<ProgramMapSection*>::const_iterator i;
 229                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 230                         {
 231                                 const ProgramMapSection &pmt = **i;
 232                                 int is_hdmv = 0;
 233
 234                                 program.pcrPid = pmt.getPcrPid();
 235
 236                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 237                                         desc != pmt.getDescriptors()->end(); ++desc)
 238                                 {
 239                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 240                                         {
 241                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 242                                                 program.caids.insert(descr->getCaSystemId());
 243                                         }
 244                                         else if ((*desc)->getTag() == REGISTRATION_DESCRIPTOR)
 245                                         {
 246                                                 RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 247                                                 if (d->getFormatIdentifier() == 0x48444d56) // HDMV
 248                                                         is_hdmv = 1;
 249                                         }
 250                                 }
 251
 252                                 ElementaryStreamInfoConstIterator es;
 253                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 254                                 {
 255                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 256                                         int streamtype = (*es)->getType();
 257                                         videoStream video;
 258                                         audioStream audio;
 259                                         audio.component_tag=video.component_tag=-1;
 260                                         video.type = videoStream::vtMPEG2;
 261                                         audio.type = audioStream::atMPEG;
 262                                         audio.rdsPid = -1;
 263
 264                                         switch (streamtype)
 265                                         {
 266                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 267                                                 video.type = videoStream::vtMPEG4_H264;
 268                                                 isvideo = 1;
 269                                                 //break; fall through !!!
 270                                         case 0x10: // MPEG 4 Part 2
 271                                                 if (!isvideo)
 272                                                 {
 273                                                         video.type = videoStream::vtMPEG4_Part2;
 274                                                         isvideo = 1;
 275                                                 }
 276                                                 //break; fall through !!!
 277                                         case 0x01: // MPEG 1 video
 278                                                 if (!isvideo)
 279                                                         video.type = videoStream::vtMPEG1;
 280                                                 //break; fall through !!!
 281                                         case 0x02: // MPEG 2 video
 282                                                 isvideo = 1;
 283                                                 forced_video = 1;
 284                                                 //break; fall through !!!
 285                                         case 0x03: // MPEG 1 audio
 286                                         case 0x04: // MPEG 2 audio:
 287                                                 if (!isvideo) {
 288                                                         isaudio = 1;
 289                                                         forced_audio = 1;
 290                                                 }
 291                                                 //break; fall through !!!
 292                                         case 0x0f: // MPEG 2 AAC
 293                                                 if (!isvideo && !isaudio)
 294                                                 {
 295                                                         isaudio = 1;
 296                                                         audio.type = audioStream::atAAC;
 297                                                         forced_audio = 1;
 298                                                 }
 299                                                 //break; fall through !!!
 300                                         case 0x11: // MPEG 4 AAC
 301                                                 if (!isvideo && !isaudio)
 302                                                 {
 303                                                         isaudio = 1;
 304                                                         audio.type = audioStream::atAACHE;
 305                                                         forced_audio = 1;
 306                                                 }
 307                                         case 0x80: // user private ... but bluray LPCM
 308                                         case 0xA0: // bluray secondary LPCM
 309                                                 if (!isvideo && !isaudio && is_hdmv)
 310                                                 {
 311                                                         isaudio = 1;
 312                                                         audio.type = audioStream::atLPCM;
 313                                                 }
 314                                         case 0x81: // user private ... but bluray AC3
 315                                         case 0xA1: // bluray secondary AC3
 316                                                 if (!isvideo && !isaudio && is_hdmv)
 317                                                 {
 318                                                         isaudio = 1;
 319                                                         audio.type = audioStream::atAC3;
 320                                                 }
 321                                         case 0x82: // bluray DTS (dvb user private...)
 322                                         case 0xA2: // bluray secondary DTS
 323                                                 if (!isvideo && !isaudio && is_hdmv)
 324                                                 {
 325                                                         isaudio = 1;
 326                                                         audio.type = audioStream::atDTS;
 327                                                 }
 328                                         case 0x86: // bluray DTS-HD (dvb user private...)
 329                                         case 0xA6: // bluray secondary DTS-HD
 330                                                 if (!isvideo && !isaudio && is_hdmv)
 331                                                 {
 332                                                         isaudio = 1;
 333                                                         audio.type = audioStream::atDTSHD;
 334                                                 }
 335                                         case 0x06: // PES Private
 336                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 337                                         {
 338                                                 int num_descriptors = 0;
 339                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 340                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 341                                                 {
 342                                                         uint8_t tag = (*desc)->getTag();
 343                                                         /* check descriptors to get the exakt stream type. */
 344                                                         ++num_descriptors;
 345                                                         if (!forced_video && !forced_audio)
 346                                                         {
 347                                                                 switch (tag)
 348                                                                 {
 349                                                                 case AUDIO_STREAM_DESCRIPTOR:
 350                                                                         isaudio = 1;
 351                                                                         break;
 352                                                                 case VIDEO_STREAM_DESCRIPTOR:
 353                                                                 {
 354                                                                         isvideo = 1;
 355                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 356                                                                         if (d->getMpeg1OnlyFlag())
 357                                                                                 video.type = videoStream::vtMPEG1;
 358                                                                         break;
 359                                                                 }
 360                                                                 case SUBTITLING_DESCRIPTOR:
 361                                                                 {
 362                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 363                                                                         const SubtitlingList *list = d->getSubtitlings();
 364                                                                         subtitleStream s;
 365                                                                         s.pid = (*es)->getPid();
 366                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 367                                                                         {
 368                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 369                                                                                 switch(s.subtitling_type)
 370                                                                                 {
 371                                                                                 case 0x10 ... 0x13:
 372                                                                                 case 0x20 ... 0x23: // dvb subtitles
 373                                                                                         break;
 374                                                                                 default:
 375                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 376                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 377                                                                                         s.subtitling_type = 0x10;
 378                                                                                         break;
 379                                                                                 }
 380                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 381                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 382                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 383 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 384 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 385                                                                                 issubtitle=1;
 386                                                                                 program.subtitleStreams.push_back(s);
 387                                                                         }
 388                                                                         break;
 389                                                                 }
 390                                                                 case TELETEXT_DESCRIPTOR:
 391                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 392                                                                         {
 393                                                                                 subtitleStream s;
 394                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 395                                                                                 s.pid = program.textPid = (*es)->getPid();
 396                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 397                                                                                 isteletext = 1;
 398                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 399                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 400                                                                                 {
 401                                                                                         switch((*it)->getTeletextType())
 402                                                                                         {
 403                                                                                         case 0x02: // Teletext subtitle page
 404                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 405                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 406                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 407                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 408 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 409 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 410                                                                                                 program.subtitleStreams.push_back(s);
 411                                                                                                 issubtitle=1;
 412                                                                                         default:
 413                                                                                                 break;
 414                                                                                         }
 415                                                                                 }
 416                                                                         }
 417                                                                         break;
 418                                                                 case DTS_DESCRIPTOR:
 419                                                                         isaudio = 1;
 420                                                                         audio.type = audioStream::atDTS;
 421                                                                         break;
 422                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 423                                                                         isaudio = 1;
 424                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 425                                                                         break;
 426                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 427                                                                 case AAC_DESCRIPTOR:
 428                                                                         isaudio = 1;
 429                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 430                                                                         break;
 431                                                                 case AC3_DESCRIPTOR:
 432                                                                         isaudio = 1;
 433                                                                         audio.type = audioStream::atAC3;
 434                                                                         break;
 435                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 436                                                                 {
 437                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 438                                                                         switch (d->getFormatIdentifier())
 439                                                                         {
 440                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 441                                                                                 isaudio = 1;
 442                                                                                 audio.type = audioStream::atDTS;
 443                                                                                 break;
 444                                                                         case 0x41432d33: // == 'AC-3'
 445                                                                                 isaudio = 1;
 446                                                                                 audio.type = audioStream::atAC3;
 447                                                                                 break;
 448                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 449                                                                                 isaudio = 1;
 450                                                                                 audio.type = audioStream::atLPCM;
 451                                                                                 break;
 452                                                                         case 0x56432d31: // == 'VC-1'
 453                                                                         {
 454                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 455                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 456                                                                                 {
 457                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 458                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 459                                                                                         else
 460                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 461                                                                                         isvideo = 1;
 462                                                                                 }
 463                                                                         }
 464                                                                         default:
 465                                                                                 break;
 466                                                                         }
 467                                                                         break;
 468                                                                 }
 469                                                                 case 0x28: // TS_PSI_DT_AVC
 470                                                                         isvideo = 1;
 471                                                                         video.type = videoStream::vtMPEG4_H264;
 472                                                                         break;
 473                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 474                                                                         isvideo = 1;
 475                                                                         video.type = videoStream::vtMPEG4_Part2;
 476                                                                         break;
 477                                                                 default:
 478                                                                         break;
 479                                                                 }
 480                                                         }
 481                                                         switch (tag)
 482                                                         {
 483                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 484                                                                 if (!isvideo)
 485                                                                 {
 486                                                                         int cnt=0;
 487                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 488                                                                                 /* use last language code */
 489                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 490                                                                         {
 491                                                                                 if (cnt == 0)
 492                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 493                                                                                 else
 494                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 495                                                                         }
 496                                                                 }
 497                                                                 break;
 498                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 499                                                                 audio.component_tag =
 500                                                                         video.component_tag =
 501                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 502                                                                 break;
 503                                                         case CA_DESCRIPTOR:
 504                                                         {
 505                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 506                                                                 program.caids.insert(descr->getCaSystemId());
 507                                                                 break;
 508                                                         }
 509                                                         default:
 510                                                                 break;
 511                                                         }
 512                                                 }
 513                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 514                                                 {
 515                                                         prev_audio->rdsPid = (*es)->getPid();
 516                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 517                                                 }
 518                                                 prev_audio = 0;
 519                                         }
 520                                         default:
 521                                                 break;
 522                                         }
 523                                         if (isteletext && (isaudio || isvideo))
 524                                         {
 525                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 526                                                 continue; // continue with next PID
 527                                         }
 528                                         else if (issubtitle && (isaudio || isvideo))
 529                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 530                                         else if (isaudio && isvideo)
 531                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 532                                         if (issubtitle) // continue with next PID
 533                                                 continue;
 534                                         else if (isvideo)
 535                                         {
 536                                                 video.pid = (*es)->getPid();
 537                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 538                                                 {
 539                                                         program.videoStreams.push_back(program.videoStreams[0]);
 540                                                         program.videoStreams[0] = video;
 541                                                 }
 542                                                 else
 543                                                         program.videoStreams.push_back(video);
 544                                         }
 545                                         else if (isaudio)
 546                                         {
 547                                                 audio.pid = (*es)->getPid();
 548
 549                                                         /* if we find the cached pids, this will be our default stream */
 550                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 551                                                         program.defaultAudioStream = program.audioStreams.size();
 552
 553                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 554                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 555                                                         first_ac3 = program.audioStreams.size();
 556
 557                                                 program.audioStreams.push_back(audio);
 558                                                 prev_audio = &program.audioStreams.back();
 559                                         }
 560                                         else
 561                                                 continue;
 562                                 }
 563                         }
 564                         ret = 0;
 565
 566                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 567                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 568                            (note: if an ac3 audio stream was selected before, this will be also stored
 569                            in 'fisrt_ac3', so we don't need to worry. */
 570                         bool defaultac3 = false;
 571                         std::string default_ac3;
 572
 573                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 574                                 defaultac3 = default_ac3 == "True";
 575
 576                         if (defaultac3 && (first_ac3 != -1))
 577                                 program.defaultAudioStream = first_ac3;
 578
 579                         m_cached_program = program;
 580                         m_have_cached_program = true;
 581                 }
 582         } else if ( m_service && !m_service->cacheEmpty() )
 583         {
 584                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 585                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 586                         cnt=0;
 587                 if ( vpidtype == -1 )
 588                         vpidtype = videoStream::vtMPEG2;
 589                 if ( cached_vpid != -1 )
 590                 {
 591                         videoStream s;
 592                         s.pid = cached_vpid;
 593                         s.type = vpidtype;
 594                         program.videoStreams.push_back(s);
 595                         ++cnt;
 596                 }
 597                 if ( cached_apid_ac3 != -1 )
 598                 {
 599                         audioStream s;
 600                         s.type = audioStream::atAC3;
 601                         s.pid = cached_apid_ac3;
 602                         s.rdsPid = -1;
 603                         program.audioStreams.push_back(s);
 604                         ++cnt;
 605                 }
 606                 if ( cached_apid_mpeg != -1 )
 607                 {
 608                         audioStream s;
 609                         s.type = audioStream::atMPEG;
 610                         s.pid = cached_apid_mpeg;
 611                         s.rdsPid = -1;
 612                         program.audioStreams.push_back(s);
 613                         ++cnt;
 614                 }
 615                 if ( cached_pcrpid != -1 )
 616                 {
 617                         ++cnt;
 618                         program.pcrPid = cached_pcrpid;
 619                 }
 620                 if ( cached_tpid != -1 )
 621                 {
 622                         ++cnt;
 623                         program.textPid = cached_tpid;
 624                 }
 625                 CAID_LIST &caids = m_service->m_ca;
 626                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 627                         program.caids.insert(*it);
 628                 if ( cnt )
 629                         ret = 0;
 630         }
 631         return ret;
 632 }
 633
 634 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 635 {
 636         channel = m_channel;
 637         if (channel)
 638                 return 0;
 639         else
 640                 return -1;
 641 }
 642
 643 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 644 {
 645         demux = m_demux;
 646         if (demux)
 647                 return 0;
 648         else
 649                 return -1;
 650 }
 651
 652 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 653 {
 654         int ret=0;
 655                 /* if we're using the decoding demux as data source
 656                    (for example in pvr playbacks), return that one. */
 657         if (m_use_decode_demux)
 658         {
 659                 demux = m_demux;
 660                 return ret;
 661         }
 662
 663         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 664
 665         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 666         if (!ret)
 667                 demux->getCADemuxID(m_decode_demux_num);
 668
 669         return ret;
 670 }
 671
 672 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 673 {
 674         pvr_channel = m_pvr_channel;
 675         if (pvr_channel)
 676                 return 0;
 677         else
 678                 return -1;
 679 }
 680
 681 void eDVBServicePMTHandler::SDTScanEvent(int event)
 682 {
 683         switch (event)
 684         {
 685                 case eDVBScan::evtFinish:
 686                 {
 687                         ePtr<iDVBChannelList> db;
 688                         if (m_resourceManager->getChannelList(db) != 0)
 689                                 eDebug("no channel list");
 690                         else
 691                         {
 692                                 eDVBChannelID chid;
 693                                 m_reference.getChannelID(chid);
 694                                 if (chid == m_dvb_scan->getCurrentChannelID())
 695                                 {
 696                                         m_dvb_scan->insertInto(db, true);
 697                                         eDebug("sdt update done!");
 698                                 }
 699                                 else
 700                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 701                         }
 702                         break;
 703                 }
 704
 705                 default:
 706                         break;
 707         }
 708 }
 709
 710 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 711 {
 712         ePtr<iTsSource> s;
 713         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 714 }
 715
 716 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service)
 717 {
 718         RESULT res=0;
 719         m_reference = ref;
 720
 721         m_use_decode_demux = use_decode_demux;
 722
 723                 /* 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 */
 724         m_service = service;
 725
 726                 /* is this a normal (non PVR) channel? */
 727         if (ref.path.empty())
 728         {
 729                 eDVBChannelID chid;
 730                 ref.getChannelID(chid);
 731                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 732                 if (!simulate)
 733                         eDebug("allocate Channel: res %d", res);
 734
 735                 ePtr<iDVBChannelList> db;
 736                 if (!m_resourceManager->getChannelList(db))
 737                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 738
 739                 if (!res && !simulate)
 740                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 741         } else if (!simulate) // no simulation of playback services
 742         {
 743                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 744                 {
 745                         eWarning("no .meta file found, trying to find PMT pid");
 746                         eDVBTSTools tstools;
 747                         if (source)
 748                                 tstools.setSource(source, streaminfo_file ? streaminfo_file : ref.path.c_str());
 749                         else if (tstools.openFile(ref.path.c_str()))
 750                                 eWarning("failed to open file");
 751                         else
 752                         {
 753                                 int service_id, pmt_pid;
 754                                 if (!tstools.findPMT(pmt_pid, service_id))
 755                                 {
 756                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 757                                         m_reference.setServiceID(service_id);
 758                                         m_pmt_pid = pmt_pid;
 759                                 }
 760                         }
 761                 }
 762                 eDebug("alloc PVR");
 763                         /* allocate PVR */
 764                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 765                 if (res)
 766                         eDebug("allocatePVRChannel failed!\n");
 767                 m_channel = m_pvr_channel;
 768         }
 769
 770         if (!simulate)
 771         {
 772                 if (m_channel)
 773                 {
 774                         m_channel->connectStateChange(
 775                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 776                                 m_channelStateChanged_connection);
 777                         m_last_channel_state = -1;
 778                         channelStateChanged(m_channel);
 779
 780                         m_channel->connectEvent(
 781                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 782                                 m_channelEvent_connection);
 783
 784                         if (ref.path.empty())
 785                         {
 786                                 m_dvb_scan = 0;
 787                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 788                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 789                         }
 790                 } else
 791                 {
 792                         if (res == eDVBResourceManager::errAllSourcesBusy)
 793                                 serviceEvent(eventNoResources);
 794                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 795                                 serviceEvent(eventMisconfiguration);
 796                         return res;
 797                 }
 798
 799                 if (m_pvr_channel)
 800                 {
 801                         m_pvr_channel->setCueSheet(cue);
 802                         if (source)
 803                                 m_pvr_channel->playSource(source, streaminfo_file);
 804                         else
 805                                 m_pvr_channel->playFile(ref.path.c_str());
 806                 }
 807         }
 808
 809         return res;
 810 }
 811
 812 void eDVBServicePMTHandler::free()
 813 {
 814         m_dvb_scan = 0;
 815
 816         if (m_ca_servicePtr)
 817         {
 818                 int demuxes[2] = {0,0};
 819                 uint8_t tmp;
 820                 m_demux->getCADemuxID(tmp);
 821                 demuxes[0]=tmp;
 822                 if (m_decode_demux_num != 0xFF)
 823                         demuxes[1]=m_decode_demux_num;
 824                 else
 825                         demuxes[1]=demuxes[0];
 826                 ePtr<eTable<ProgramMapSection> > ptr;
 827                 m_PMT.getCurrent(ptr);
 828                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 829                 m_ca_servicePtr = 0;
 830         }
 831
 832         if (m_channel)
 833                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 834
 835         if (m_pvr_channel)
 836         {
 837                 m_pvr_channel->stopFile();
 838                 m_pvr_channel->setCueSheet(0);
 839         }
 840
 841         m_PMT.stop();
 842         m_PAT.stop();
 843         m_service = 0;
 844         m_channel = 0;
 845         m_pvr_channel = 0;
 846         m_demux = 0;
 847 }
 848
 849 CAServiceMap eDVBCAService::exist;
 850 ChannelMap eDVBCAService::exist_channels;
 851 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 852
 853 eDVBCAService::eDVBCAService()
 854         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 855 {
 856         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 857         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 858         Connect();
 859 }
 860
 861 eDVBCAService::~eDVBCAService()
 862 {
 863         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 864         ::close(m_sock);
 865 }
 866
 867 // begin static methods
 868 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 869 {
 870         CAServiceMap::iterator it = exist.find(ref);
 871         if ( it != exist.end() )
 872                 caservice = it->second;
 873         else
 874         {
 875                 caservice = (exist[ref]=new eDVBCAService());
 876                 caservice->m_service = ref;
 877                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 878         }
 879
 880         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 881         for (int i=0; i < loops; ++i)
 882         {
 883 // search free demux entry
 884                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 885
 886                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 887                         ++iter;
 888
 889                 if ( iter < max_demux_slots )
 890                 {
 891                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 892                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 893                 }
 894                 else
 895                 {
 896                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 897                         return -1;
 898                 }
 899         }
 900         return 0;
 901 }
 902
 903 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 904 {
 905         CAServiceMap::iterator it = exist.find(ref);
 906         if ( it == exist.end() )
 907         {
 908                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 909                 return -1;
 910         }
 911         else
 912         {
 913                 eDVBCAService *caservice = it->second;
 914                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 915                 for (int i=0; i < loops; ++i)
 916                 {
 917                         bool freed = false;
 918                         int iter = 0,
 919                                 used_demux_slots = 0,
 920                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 921                         while ( iter < max_demux_slots )
 922                         {
 923                                 if ( caservice->m_used_demux[iter] != 0xFF )
 924                                 {
 925                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 926                                         {
 927                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 928                                                 caservice->m_used_demux[iter] = 0xFF;
 929                                                 freed=true;
 930                                         }
 931                                         else
 932                                                 ++used_demux_slots;
 933                                 }
 934                                 ++iter;
 935                         }
 936                         if (!freed)
 937                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 938                         if (i || loops == 1)
 939                         {
 940                                 if (!used_demux_slots)  // no more used.. so we remove it
 941                                 {
 942                                         delete it->second;
 943                                         exist.erase(it);
 944                                 }
 945                                 else
 946                                 {
 947                                         if (ptr)
 948                                                 it->second->buildCAPMT(ptr);
 949                                         else
 950                                                 eDebug("[eDVBCAService] can not send updated demux info");
 951                                 }
 952                         }
 953                 }
 954         }
 955         return 0;
 956 }
 957
 958 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 959 {
 960         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 961 }
 962
 963 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 964 {
 965         if ( chan )
 966         {
 967                 eDebug("[eDVBCAService] new channel %p!", chan);
 968                 channel_data *data = new channel_data();
 969                 data->m_channel = chan;
 970                 data->m_prevChannelState = -1;
 971                 data->m_dataDemux = -1;
 972                 exist_channels[chan] = data;
 973                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 974         }
 975 }
 976
 977 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 978 {
 979         ChannelMap::iterator it =
 980                 exist_channels.find(chan);
 981         if ( it != exist_channels.end() )
 982         {
 983                 int state=0;
 984                 chan->getState(state);
 985                 if ( it->second->m_prevChannelState != state )
 986                 {
 987                         switch (state)
 988                         {
 989                                 case iDVBChannel::state_ok:
 990                                 {
 991                                         eDebug("[eDVBCAService] channel %p running", chan);
 992                                         break;
 993                                 }
 994                                 case iDVBChannel::state_release:
 995                                 {
 996                                         eDebug("[eDVBCAService] remove channel %p", chan);
 997                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 998                                         msg[7] = it->second->m_dataDemux & 0xFF;
 999                                         int sock, clilen;
1000                                         struct sockaddr_un servaddr;
1001                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1002                                         servaddr.sun_family = AF_UNIX;
1003                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1004                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1005                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1006                                         if (sock > -1)
1007                                         {
1008                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1009                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1010                                                 int val=1;
1011                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1012                                                 if (write(sock, msg, 8) != 8)
1013                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1014                                                 close(sock);
1015                                         }
1016                                         exist_channels.erase(it);
1017                                         delete it->second;
1018                                         it->second=0;
1019                                         break;
1020                                 }
1021                                 default: // ignore all other events
1022                                         return;
1023                         }
1024                         if (it->second)
1025                                 it->second->m_prevChannelState = state;
1026                 }
1027         }
1028 }
1029
1030 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1031 {
1032         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1033         {
1034                 if (chid == it->second->m_channel->getChannelID())
1035                         return it->second;
1036         }
1037         return 0;
1038 }
1039 // end static methods
1040
1041 #define CA_REPLY_DEBUG
1042 #define MAX_LENGTH_BYTES 4
1043 #define MIN_LENGTH_BYTES 1
1044
1045 void eDVBCAService::socketCB(int what)
1046 {
1047         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1048         {
1049                 char msgbuffer[4096];
1050                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1051                 if (length == -1)
1052                 {
1053                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1054                         {
1055                                 eDebug("[eSocketMMIHandler] read (%m)");
1056                                 what |= eSocketNotifier::Error;
1057                         }
1058                 } else if (length == 0)
1059                 {
1060                         what |= eSocketNotifier::Hungup;
1061                 } else
1062                 {
1063                         int len = length;
1064                         unsigned char *data = (unsigned char*)msgbuffer;
1065                         int clear = 1;
1066         // If a new message starts, then the previous message
1067         // should already have been processed. Otherwise the
1068         // previous message was incomplete and should therefore
1069         // be deleted.
1070                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1071                                 clear = 0;
1072                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1073                                 clear = 0;
1074                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1075                                 clear = 0;
1076                         if (clear)
1077                         {
1078                                 m_buffer.clear();
1079 #ifdef CA_REPLY_DEBUG
1080                                 eDebug("clear buffer");
1081 #endif
1082                         }
1083 #ifdef CA_REPLY_DEBUG
1084                         eDebug("Put to buffer:");
1085                         for (int i=0; i < len; ++i)
1086                                 eDebugNoNewLine("%02x ", data[i]);
1087                         eDebug("\n--------");
1088 #endif
1089                         m_buffer.write( data, len );
1090
1091                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1092                         {
1093                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1094                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1095                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1096                                 {
1097                                         m_buffer.skip(1);
1098 #ifdef CA_REPLY_DEBUG
1099                                         eDebug("skip %02x", tmp[0]);
1100 #endif
1101                                         continue;
1102                                 }
1103                                 if (tmp[3] & 0x80)
1104                                 {
1105                                         int peekLength = (tmp[3] & 0x7f) + 4;
1106                                         if (m_buffer.size() < peekLength)
1107                                                 continue;
1108                                         m_buffer.peek(tmp, peekLength);
1109                                 }
1110                                 int size=0;
1111                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1112                                 int messageLength = 3+LengthBytes+size;
1113                                 if ( m_buffer.size() >= messageLength )
1114                                 {
1115                                         unsigned char dest[messageLength];
1116                                         m_buffer.read(dest, messageLength);
1117 #ifdef CA_REPLY_DEBUG
1118                                         eDebug("dump ca reply:");
1119                                         for (int i=0; i < messageLength; ++i)
1120                                                 eDebugNoNewLine("%02x ", dest[i]);
1121                                         eDebug("\n--------");
1122 #endif
1123 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1124                                 }
1125                         }
1126                 }
1127         }
1128         if (what & eSocketNotifier::Hungup) {
1129                 /*eDebug("[eDVBCAService] connection closed")*/;
1130                 m_sendstate=1;
1131                 sendCAPMT();
1132         }
1133         if (what & eSocketNotifier::Error)
1134                 eDebug("[eDVBCAService] connection error");
1135 }
1136
1137 void eDVBCAService::Connect()
1138 {
1139         m_sn=0;
1140         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1141         m_servaddr.sun_family = AF_UNIX;
1142         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1143         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1144         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1145         if (m_sock != -1)
1146         {
1147                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1148                 {
1149                         int val=1;
1150                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1151                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1152                         m_sn = eSocketNotifier::create(eApp, m_sock,
1153                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1154                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1155
1156                 }
1157 //              else
1158 //                      eDebug("[eDVBCAService] connect failed %m");
1159         }
1160         else
1161                 eDebug("[eDVBCAService] create socket failed %m");
1162 }
1163
1164 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1165 {
1166         if (!ptr)
1167                 return;
1168
1169         eDVBTableSpec table_spec;
1170         ptr->getSpec(table_spec);
1171
1172         int pmtpid = table_spec.pid,
1173                 pmt_version = table_spec.version;
1174
1175         uint8_t demux_mask = 0;
1176         int data_demux = -1;
1177
1178         int iter=0, max_demux_slots = sizeof(m_used_demux);
1179         while ( iter < max_demux_slots )
1180         {
1181                 if ( m_used_demux[iter] != 0xFF )
1182                 {
1183                         if ( m_used_demux[iter] > data_demux )
1184                                 data_demux = m_used_demux[iter];
1185                         demux_mask |= (1 << m_used_demux[iter]);
1186                 }
1187                 ++iter;
1188         }
1189
1190         if ( data_demux == -1 )
1191         {
1192                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1193                 return;
1194         }
1195
1196         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1197
1198         unsigned int build_hash = ( pmtpid << 16);
1199         build_hash |= (demux_mask << 8);
1200         build_hash |= (pmt_version&0xFF);
1201
1202         if ( build_hash == m_prev_build_hash )
1203         {
1204                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1205                 return;
1206         }
1207
1208         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1209         if ( i != ptr->getSections().end() )
1210         {
1211                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1212
1213                 while( i != ptr->getSections().end() )
1214                 {
1215 //                      eDebug("append");
1216                         capmt.append(*i++);
1217                 }
1218
1219                 // add our private descriptors to capmt
1220                 uint8_t tmp[10];
1221
1222                 tmp[0]=0x84;  // pmt pid
1223                 tmp[1]=0x02;
1224                 tmp[2]=pmtpid>>8;
1225                 tmp[3]=pmtpid&0xFF;
1226                 capmt.injectDescriptor(tmp, false);
1227
1228                 tmp[0] = 0x82; // demux
1229                 tmp[1] = 0x02;
1230                 tmp[2] = demux_mask;    // descramble bitmask
1231                 tmp[3] = data_demux&0xFF; // read section data from demux number
1232                 capmt.injectDescriptor(tmp, false);
1233
1234                 tmp[0] = 0x81; // dvbnamespace
1235                 tmp[1] = 0x08;
1236                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1237                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1238                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1239                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1240                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1241                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1242                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1243                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1244                 capmt.injectDescriptor(tmp, false);
1245
1246                 capmt.writeToBuffer(m_capmt);
1247         }
1248
1249         m_prev_build_hash = build_hash;
1250
1251         if ( m_sendstate != 0xFFFFFFFF )
1252                 m_sendstate=0;
1253         sendCAPMT();
1254 }
1255
1256 void eDVBCAService::sendCAPMT()
1257 {
1258         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1259         {
1260                 ::close(m_sock);
1261                 Connect();
1262         }
1263
1264         int wp=0;
1265         if ( m_capmt[3] & 0x80 )
1266         {
1267                 int i=0;
1268                 int lenbytes = m_capmt[3] & ~0x80;
1269                 while(i < lenbytes)
1270                         wp = (wp << 8) | m_capmt[4 + i++];
1271                 wp+=4;
1272                 wp+=lenbytes;
1273         }
1274         else
1275         {
1276                 wp = m_capmt[3];
1277                 wp+=4;
1278         }
1279
1280         if ( write(m_sock, m_capmt, wp) == wp )
1281         {
1282                 m_sendstate=0xFFFFFFFF;
1283                 eDebug("[eDVBCAService] send %d bytes",wp);
1284                 eDVBChannelID chid;
1285                 m_service.getChannelID(chid);
1286                 channel_data *data = getChannelData(chid);
1287                 if (data)
1288                 {
1289                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1290                         data->m_dataDemux = m_capmt[24+lenbytes];
1291                 }
1292 #if 1
1293                 for(int i=0;i<wp;i++)
1294                         eDebugNoNewLine("%02x ", m_capmt[i]);
1295                 eDebug("");
1296 #endif
1297         }
1298         else
1299         {
1300                 switch(m_sendstate)
1301                 {
1302                         case 0xFFFFFFFF:
1303                                 ++m_sendstate;
1304                                 m_retryTimer->start(0,true);
1305 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1306                                 break;
1307                         default:
1308                                 m_retryTimer->start(5000,true);
1309 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1310                                 break;
1311                 }
1312                 ++m_sendstate;
1313         }
1314 }
1315
1316 static PyObject *createTuple(int pid, const char *type)
1317 {
1318         PyObject *r = PyTuple_New(2);
1319         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1320         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1321         return r;
1322 }
1323
1324 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1325 {
1326         PyList_Append(list, item);
1327         Py_DECREF(item);
1328 }
1329
1330 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1331
1332 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1333 {
1334         ePyObject r = PyDict_New();
1335         ePyObject l = PyList_New(0);
1336
1337         PyList_AppendSteal(l, createTuple(0, "pat"));
1338
1339         if (pmtPid != -1)
1340                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1341
1342         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1343                         i(videoStreams.begin());
1344                         i != videoStreams.end(); ++i)
1345                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1346
1347         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1348                         i(audioStreams.begin());
1349                         i != audioStreams.end(); ++i)
1350                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1351
1352         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1353                         i(subtitleStreams.begin());
1354                         i != subtitleStreams.end(); ++i)
1355                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1356
1357         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1358
1359         if (textPid != -1)
1360                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1361
1362         PutToDict(r, "pids", l);
1363
1364         return r;
1365 }