code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/pmt.cpp

   1 #include <lib/base/nconfig.h> // access to python config
   2 #include <lib/base/eerror.h>
   3 #include <lib/dvb/pmt.h>
   4 #include <lib/dvb/specs.h>
   5 #include <lib/dvb/dvb.h>
   6 #include <lib/dvb/metaparser.h>
   7 #include <lib/dvb_ci/dvbci.h>
   8 #include <lib/dvb/epgcache.h>
   9 #include <lib/dvb/scan.h>
  10 #include <lib/dvb_ci/dvbci_session.h>
  11 #include <dvbsi++/ca_descriptor.h>
  12 #include <dvbsi++/ca_program_map_section.h>
  13 #include <dvbsi++/teletext_descriptor.h>
  14 #include <dvbsi++/descriptor_tag.h>
  15 #include <dvbsi++/iso639_language_descriptor.h>
  16 #include <dvbsi++/stream_identifier_descriptor.h>
  17 #include <dvbsi++/subtitling_descriptor.h>
  18 #include <dvbsi++/teletext_descriptor.h>
  19 #include <dvbsi++/video_stream_descriptor.h>
  20 #include <dvbsi++/registration_descriptor.h>
  21
  22 eDVBServicePMTHandler::eDVBServicePMTHandler()
  23         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  24 {
  25         m_use_decode_demux = 0;
  26         m_pmt_pid = -1;
  27         eDVBResourceManager::getInstance(m_resourceManager);
  28         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  29         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  30 }
  31
  32 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  33 {
  34         free();
  35 }
  36
  37 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  38 {
  39         int state;
  40         channel->getState(state);
  41
  42         if ((m_last_channel_state != iDVBChannel::state_ok)
  43                 && (state == iDVBChannel::state_ok) && (!m_demux))
  44         {
  45                 if (m_channel)
  46                 {
  47                         if (m_pvr_demux_tmp)
  48                         {
  49                                 m_demux = m_pvr_demux_tmp;
  50                                 m_pvr_demux_tmp = NULL;
  51                         }
  52                         else if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  53                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  54                 }
  55
  56                 serviceEvent(eventTuned);
  57
  58                 if (m_demux)
  59                 {
  60                         eDebug("ok ... now we start!!");
  61
  62                         if (!m_service || m_service->usePMT())
  63                         {
  64                                 if (m_pmt_pid == -1)
  65                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  66                                 else
  67                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  68                         }
  69
  70                         if ( m_service && !m_service->cacheEmpty() )
  71                                 serviceEvent(eventNewProgramInfo);
  72                 }
  73         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  74                         (state == iDVBChannel::state_failed))
  75         {
  76                 eDebug("tune failed.");
  77                 serviceEvent(eventTuneFailed);
  78         }
  79 }
  80
  81 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  82 {
  83         switch (event)
  84         {
  85         case iDVBChannel::evtPreStart:
  86                 serviceEvent(eventPreStart);
  87                 break;
  88         case iDVBChannel::evtEOF:
  89                 serviceEvent(eventEOF);
  90                 break;
  91         case iDVBChannel::evtSOF:
  92                 serviceEvent(eventSOF);
  93                 break;
  94         default:
  95                 break;
  96         }
  97 }
  98
  99 void eDVBServicePMTHandler::PMTready(int error)
 100 {
 101         if (error)
 102                 serviceEvent(eventNoPMT);
 103         else
 104         {
 105                 m_have_cached_program = false;
 106                 serviceEvent(eventNewProgramInfo);
 107                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
 108                 {
 109                         eEPGCache::getInstance()->PMTready(this);
 110                         if(!m_ca_servicePtr)
 111                         {
 112                                 int demuxes[2] = {0,0};
 113                                 uint8_t tmp;
 114                                 m_demux->getCADemuxID(tmp);
 115                                 demuxes[0]=tmp;
 116                                 if (m_decode_demux_num != 0xFF)
 117                                         demuxes[1]=m_decode_demux_num;
 118                                 else
 119                                         demuxes[1]=demuxes[0];
 120                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 121                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 122                         }
 123                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 124                 }
 125                 if (m_ca_servicePtr)
 126                 {
 127                         ePtr<eTable<ProgramMapSection> > ptr;
 128                         if (!m_PMT.getCurrent(ptr))
 129                                 m_ca_servicePtr->buildCAPMT(ptr);
 130                         else
 131                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 132                 }
 133         }
 134 }
 135
 136 void eDVBServicePMTHandler::PATready(int)
 137 {
 138         ePtr<eTable<ProgramAssociationSection> > ptr;
 139         if (!m_PAT.getCurrent(ptr))
 140         {
 141                 int pmtpid = -1;
 142                 std::vector<ProgramAssociationSection*>::const_iterator i;
 143                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 144                 {
 145                         const ProgramAssociationSection &pat = **i;
 146                         ProgramAssociationConstIterator program;
 147                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 148                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 149                                         pmtpid = (*program)->getProgramMapPid();
 150                 }
 151                 if (pmtpid == -1)
 152                         serviceEvent(eventNoPATEntry);
 153                 else
 154                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 155         } else
 156                 serviceEvent(eventNoPAT);
 157 }
 158
 159 PyObject *eDVBServicePMTHandler::getCaIds(bool pair)
 160 {
 161         ePyObject ret;
 162
 163         program prog;
 164
 165         if ( !getProgramInfo(prog) )
 166         {
 167                 if (pair)
 168                 {
 169                         int cnt=prog.caids.size();
 170                         if (cnt)
 171                         {
 172                                 ret=PyList_New(cnt);
 173                                 std::list<program::capid_pair>::iterator it(prog.caids.begin());
 174                                 while(cnt--)
 175                                 {
 176                                         ePyObject tuple = PyTuple_New(2);
 177                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(it->caid));
 178                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong((it++)->capid));
 179                                         PyList_SET_ITEM(ret, cnt, tuple);
 180                                 }
 181                         }
 182                 }
 183                 else
 184                 {
 185                         std::set<program::capid_pair> set(prog.caids.begin(), prog.caids.end());
 186                         std::set<program::capid_pair>::iterator it(set.begin());
 187                         int cnt=set.size();
 188                         ret=PyList_New(cnt);
 189                         while(cnt--)
 190                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong((it++)->caid));
 191                 }
 192         }
 193
 194         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 195 }
 196
 197 int eDVBServicePMTHandler::getProgramInfo(program &program)
 198 {
 199         ePtr<eTable<ProgramMapSection> > ptr;
 200         int cached_apid_ac3 = -1;
 201         int cached_apid_mpeg = -1;
 202         int cached_vpid = -1;
 203         int cached_tpid = -1;
 204         int ret = -1;
 205
 206         program.videoStreams.clear();
 207         program.audioStreams.clear();
 208         program.pcrPid = -1;
 209         program.pmtPid = -1;
 210         program.textPid = -1;
 211
 212         int first_ac3 = -1;
 213         program.defaultAudioStream = 0;
 214         audioStream *prev_audio = 0;
 215
 216         if ( m_service && !m_service->cacheEmpty() )
 217         {
 218                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 219                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 220                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 221                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 222         }
 223
 224         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 225         {
 226                 if (m_have_cached_program)
 227                 {
 228                         program = m_cached_program;
 229                         ret = 0;
 230                 }
 231                 else
 232                 {
 233                         eDVBTableSpec table_spec;
 234                         ptr->getSpec(table_spec);
 235                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 236                         std::vector<ProgramMapSection*>::const_iterator i;
 237                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 238                         {
 239                                 const ProgramMapSection &pmt = **i;
 240                                 program.pcrPid = pmt.getPcrPid();
 241
 242                                 ElementaryStreamInfoConstIterator es;
 243                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 244                                 {
 245                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 246                                         int streamtype = (*es)->getType();
 247                                         videoStream video;
 248                                         audioStream audio;
 249                                         audio.component_tag=video.component_tag=-1;
 250                                         video.type = videoStream::vtMPEG2;
 251                                         audio.type = audioStream::atMPEG;
 252                                         audio.rdsPid = -1;
 253
 254                                         switch (streamtype)
 255                                         {
 256                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 257                                                 video.type = videoStream::vtMPEG4_H264;
 258                                                 isvideo = 1;
 259                                                 //break; fall through !!!
 260                                         case 0x10: // MPEG 4 Part 2
 261                                                 if (!isvideo)
 262                                                 {
 263                                                         video.type = videoStream::vtMPEG4_Part2;
 264                                                         isvideo = 1;
 265                                                 }
 266                                                 //break; fall through !!!
 267                                         case 0x01: // MPEG 1 video
 268                                                 if (!isvideo)
 269                                                         video.type = videoStream::vtMPEG1;
 270                                                 //break; fall through !!!
 271                                         case 0x02: // MPEG 2 video
 272                                                 isvideo = 1;
 273                                                 forced_video = 1;
 274                                                 //break; fall through !!!
 275                                         case 0x03: // MPEG 1 audio
 276                                         case 0x04: // MPEG 2 audio:
 277                                                 if (!isvideo) {
 278                                                         isaudio = 1;
 279                                                         forced_audio = 1;
 280                                                 }
 281                                                 //break; fall through !!!
 282                                         case 0x0f: // MPEG 2 AAC
 283                                                 if (!isvideo && !isaudio)
 284                                                 {
 285                                                         isaudio = 1;
 286                                                         audio.type = audioStream::atAAC;
 287                                                         forced_audio = 1;
 288                                                 }
 289                                                 //break; fall through !!!
 290                                         case 0x11: // MPEG 4 AAC
 291                                                 if (!isvideo && !isaudio)
 292                                                 {
 293                                                         isaudio = 1;
 294                                                         audio.type = audioStream::atAACHE;
 295                                                         forced_audio = 1;
 296                                                 }
 297                                         case 0x80: // user private ... but blueray LPCM
 298                                                 if (!isvideo && !isaudio)
 299                                                 {
 300                                                         isaudio = 1;
 301                                                         audio.type = audioStream::atLPCM;
 302                                                 }
 303                                         case 0x81: // user private ... but blueray AC3
 304                                                 if (!isvideo && !isaudio)
 305                                                 {
 306                                                         isaudio = 1;
 307                                                         audio.type = audioStream::atAC3;
 308                                                 }
 309                                         case 0x82: // Blueray DTS (dvb user private...)
 310                                         case 0xA2: // Blueray secondary DTS
 311                                                 if (!isvideo && !isaudio)
 312                                                 {
 313                                                         isaudio = 1;
 314                                                         audio.type = audioStream::atDTS;
 315                                                 }
 316                                         case 0x06: // PES Private
 317                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 318                                         {
 319                                                 int num_descriptors = 0;
 320                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 321                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 322                                                 {
 323                                                         uint8_t tag = (*desc)->getTag();
 324                                                         /* check descriptors to get the exakt stream type. */
 325                                                         ++num_descriptors;
 326                                                         if (!forced_video && !forced_audio)
 327                                                         {
 328                                                                 switch (tag)
 329                                                                 {
 330                                                                 case AUDIO_STREAM_DESCRIPTOR:
 331                                                                         isaudio = 1;
 332                                                                         break;
 333                                                                 case VIDEO_STREAM_DESCRIPTOR:
 334                                                                 {
 335                                                                         isvideo = 1;
 336                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 337                                                                         if (d->getMpeg1OnlyFlag())
 338                                                                                 video.type = videoStream::vtMPEG1;
 339                                                                         break;
 340                                                                 }
 341                                                                 case SUBTITLING_DESCRIPTOR:
 342                                                                 {
 343                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 344                                                                         const SubtitlingList *list = d->getSubtitlings();
 345                                                                         subtitleStream s;
 346                                                                         s.pid = (*es)->getPid();
 347                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 348                                                                         {
 349                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 350                                                                                 switch(s.subtitling_type)
 351                                                                                 {
 352                                                                                 case 0x10 ... 0x13:
 353                                                                                 case 0x20 ... 0x23: // dvb subtitles
 354                                                                                         break;
 355                                                                                 default:
 356                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 357                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 358                                                                                         s.subtitling_type = 0x10;
 359                                                                                         break;
 360                                                                                 }
 361                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 362                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 363                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 364 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 365 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 366                                                                                 issubtitle=1;
 367                                                                                 program.subtitleStreams.push_back(s);
 368                                                                         }
 369                                                                         break;
 370                                                                 }
 371                                                                 case TELETEXT_DESCRIPTOR:
 372                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 373                                                                         {
 374                                                                                 subtitleStream s;
 375                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 376                                                                                 s.pid = program.textPid = (*es)->getPid();
 377                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 378                                                                                 isteletext = 1;
 379                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 380                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 381                                                                                 {
 382                                                                                         switch((*it)->getTeletextType())
 383                                                                                         {
 384                                                                                         case 0x02: // Teletext subtitle page
 385                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 386                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 387                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 388                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 389 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 390 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 391                                                                                                 program.subtitleStreams.push_back(s);
 392                                                                                                 issubtitle=1;
 393                                                                                         default:
 394                                                                                                 break;
 395                                                                                         }
 396                                                                                 }
 397                                                                         }
 398                                                                         break;
 399                                                                 case DTS_DESCRIPTOR:
 400                                                                         isaudio = 1;
 401                                                                         audio.type = audioStream::atDTS;
 402                                                                         break;
 403                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 404                                                                         isaudio = 1;
 405                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 406                                                                         break;
 407                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 408                                                                 case AAC_DESCRIPTOR:
 409                                                                         isaudio = 1;
 410                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 411                                                                         break;
 412                                                                 case AC3_DESCRIPTOR:
 413                                                                         isaudio = 1;
 414                                                                         audio.type = audioStream::atAC3;
 415                                                                         break;
 416                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 417                                                                 {
 418                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 419                                                                         switch (d->getFormatIdentifier())
 420                                                                         {
 421                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 422                                                                                 isaudio = 1;
 423                                                                                 audio.type = audioStream::atDTS;
 424                                                                                 break;
 425                                                                         case 0x41432d33: // == 'AC-3'
 426                                                                                 isaudio = 1;
 427                                                                                 audio.type = audioStream::atAC3;
 428                                                                                 break;
 429                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 430                                                                                 isaudio = 1;
 431                                                                                 audio.type = audioStream::atLPCM;
 432                                                                                 break;
 433                                                                         case 0x56432d31: // == 'VC-1'
 434                                                                         {
 435                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 436                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 437                                                                                 {
 438                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 439                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 440                                                                                         else
 441                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 442                                                                                         isvideo = 1;
 443                                                                                 }
 444                                                                         }
 445                                                                         default:
 446                                                                                 break;
 447                                                                         }
 448                                                                         break;
 449                                                                 }
 450                                                                 case 0x28: // TS_PSI_DT_AVC
 451                                                                         isvideo = 1;
 452                                                                         video.type = videoStream::vtMPEG4_H264;
 453                                                                         break;
 454                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 455                                                                         isvideo = 1;
 456                                                                         video.type = videoStream::vtMPEG4_Part2;
 457                                                                         break;
 458                                                                 default:
 459                                                                         break;
 460                                                                 }
 461                                                         }
 462                                                         switch (tag)
 463                                                         {
 464                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 465                                                                 if (!isvideo)
 466                                                                 {
 467                                                                         int cnt=0;
 468                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 469                                                                                 /* use last language code */
 470                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 471                                                                         {
 472                                                                                 if (cnt == 0)
 473                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 474                                                                                 else
 475                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 476                                                                         }
 477                                                                 }
 478                                                                 break;
 479                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 480                                                                 audio.component_tag =
 481                                                                         video.component_tag =
 482                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 483                                                                 break;
 484                                                         case CA_DESCRIPTOR:
 485                                                         {
 486                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 487                                                                 program::capid_pair pair;
 488                                                                 pair.caid = descr->getCaSystemId();
 489                                                                 pair.capid = descr->getCaPid();
 490                                                                 program.caids.push_back(pair);
 491                                                                 break;
 492                                                         }
 493                                                         default:
 494                                                                 break;
 495                                                         }
 496                                                 }
 497                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 498                                                 {
 499                                                         prev_audio->rdsPid = (*es)->getPid();
 500                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 501                                                 }
 502                                                 prev_audio = 0;
 503                                         }
 504                                         default:
 505                                                 break;
 506                                         }
 507                                         if (isteletext && (isaudio || isvideo))
 508                                         {
 509                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 510                                                 continue; // continue with next PID
 511                                         }
 512                                         else if (issubtitle && (isaudio || isvideo))
 513                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 514                                         else if (isaudio && isvideo)
 515                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 516                                         if (issubtitle) // continue with next PID
 517                                                 continue;
 518                                         else if (isvideo)
 519                                         {
 520                                                 video.pid = (*es)->getPid();
 521                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 522                                                 {
 523                                                         program.videoStreams.push_back(program.videoStreams[0]);
 524                                                         program.videoStreams[0] = video;
 525                                                 }
 526                                                 else
 527                                                         program.videoStreams.push_back(video);
 528                                         }
 529                                         else if (isaudio)
 530                                         {
 531                                                 audio.pid = (*es)->getPid();
 532
 533                                                         /* if we find the cached pids, this will be our default stream */
 534                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 535                                                         program.defaultAudioStream = program.audioStreams.size();
 536
 537                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 538                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 539                                                         first_ac3 = program.audioStreams.size();
 540
 541                                                 program.audioStreams.push_back(audio);
 542                                                 prev_audio = &program.audioStreams.back();
 543                                         }
 544                                         else
 545                                                 continue;
 546                                 }
 547                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 548                                         desc != pmt.getDescriptors()->end(); ++desc)
 549                                 {
 550                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 551                                         {
 552                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 553                                                 program::capid_pair pair;
 554                                                 pair.caid = descr->getCaSystemId();
 555                                                 pair.capid = descr->getCaPid();
 556                                                 program.caids.push_back(pair);
 557                                         }
 558                                 }
 559                         }
 560                         ret = 0;
 561
 562                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 563                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 564                            (note: if an ac3 audio stream was selected before, this will be also stored
 565                            in 'fisrt_ac3', so we don't need to worry. */
 566                         bool defaultac3 = false;
 567                         std::string default_ac3;
 568
 569                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 570                                 defaultac3 = default_ac3 == "True";
 571
 572                         if (defaultac3 && (first_ac3 != -1))
 573                                 program.defaultAudioStream = first_ac3;
 574
 575                         m_cached_program = program;
 576                         m_have_cached_program = true;
 577                 }
 578         } else if ( m_service && !m_service->cacheEmpty() )
 579         {
 580                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 581                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 582                         cnt=0;
 583                 if ( vpidtype == -1 )
 584                         vpidtype = videoStream::vtMPEG2;
 585                 if ( cached_vpid != -1 )
 586                 {
 587                         videoStream s;
 588                         s.pid = cached_vpid;
 589                         s.type = vpidtype;
 590                         program.videoStreams.push_back(s);
 591                         ++cnt;
 592                 }
 593                 if ( cached_apid_ac3 != -1 )
 594                 {
 595                         audioStream s;
 596                         s.type = audioStream::atAC3;
 597                         s.pid = cached_apid_ac3;
 598                         s.rdsPid = -1;
 599                         program.audioStreams.push_back(s);
 600                         ++cnt;
 601                 }
 602                 if ( cached_apid_mpeg != -1 )
 603                 {
 604                         audioStream s;
 605                         s.type = audioStream::atMPEG;
 606                         s.pid = cached_apid_mpeg;
 607                         s.rdsPid = -1;
 608                         program.audioStreams.push_back(s);
 609                         ++cnt;
 610                 }
 611                 if ( cached_pcrpid != -1 )
 612                 {
 613                         ++cnt;
 614                         program.pcrPid = cached_pcrpid;
 615                 }
 616                 if ( cached_tpid != -1 )
 617                 {
 618                         ++cnt;
 619                         program.textPid = cached_tpid;
 620                 }
 621                 CAID_LIST &caids = m_service->m_ca;
 622                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it) {
 623                         program::capid_pair pair;
 624                         pair.caid = *it;
 625                         pair.capid = -1; // not known yet
 626                         program.caids.push_back(pair);
 627                 }
 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
 803                         if (m_pvr_channel->getDemux(m_pvr_demux_tmp, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
 804                                 eDebug("Allocating %s-decoding a demux for PVR channel failed.", m_use_decode_demux ? "" : "non-");
 805                         else if (source)
 806                                 m_pvr_channel->playSource(source, streaminfo_file);
 807                         else
 808                                 m_pvr_channel->playFile(ref.path.c_str());
 809                 }
 810         }
 811
 812         return res;
 813 }
 814
 815 void eDVBServicePMTHandler::free()
 816 {
 817         m_dvb_scan = 0;
 818
 819         if (m_ca_servicePtr)
 820         {
 821                 int demuxes[2] = {0,0};
 822                 uint8_t tmp;
 823                 m_demux->getCADemuxID(tmp);
 824                 demuxes[0]=tmp;
 825                 if (m_decode_demux_num != 0xFF)
 826                         demuxes[1]=m_decode_demux_num;
 827                 else
 828                         demuxes[1]=demuxes[0];
 829                 ePtr<eTable<ProgramMapSection> > ptr;
 830                 m_PMT.getCurrent(ptr);
 831                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 832                 m_ca_servicePtr = 0;
 833         }
 834
 835         if (m_channel)
 836                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 837
 838         if (m_pvr_channel)
 839         {
 840                 m_pvr_channel->stopFile();
 841                 m_pvr_channel->setCueSheet(0);
 842         }
 843
 844         m_PMT.stop();
 845         m_PAT.stop();
 846         m_service = 0;
 847         m_channel = 0;
 848         m_pvr_channel = 0;
 849         m_demux = 0;
 850 }
 851
 852 CAServiceMap eDVBCAService::exist;
 853 ChannelMap eDVBCAService::exist_channels;
 854 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 855
 856 eDVBCAService::eDVBCAService()
 857         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 858 {
 859         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 860         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 861         Connect();
 862 }
 863
 864 eDVBCAService::~eDVBCAService()
 865 {
 866         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 867         ::close(m_sock);
 868 }
 869
 870 // begin static methods
 871 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 872 {
 873         CAServiceMap::iterator it = exist.find(ref);
 874         if ( it != exist.end() )
 875                 caservice = it->second;
 876         else
 877         {
 878                 caservice = (exist[ref]=new eDVBCAService());
 879                 caservice->m_service = ref;
 880                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 881         }
 882
 883         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 884         for (int i=0; i < loops; ++i)
 885         {
 886 // search free demux entry
 887                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 888
 889                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 890                         ++iter;
 891
 892                 if ( iter < max_demux_slots )
 893                 {
 894                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 895                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 896                 }
 897                 else
 898                 {
 899                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 900                         return -1;
 901                 }
 902         }
 903         return 0;
 904 }
 905
 906 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 907 {
 908         CAServiceMap::iterator it = exist.find(ref);
 909         if ( it == exist.end() )
 910         {
 911                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 912                 return -1;
 913         }
 914         else
 915         {
 916                 eDVBCAService *caservice = it->second;
 917                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 918                 for (int i=0; i < loops; ++i)
 919                 {
 920                         bool freed = false;
 921                         int iter = 0,
 922                                 used_demux_slots = 0,
 923                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 924                         while ( iter < max_demux_slots )
 925                         {
 926                                 if ( caservice->m_used_demux[iter] != 0xFF )
 927                                 {
 928                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 929                                         {
 930                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 931                                                 caservice->m_used_demux[iter] = 0xFF;
 932                                                 freed=true;
 933                                         }
 934                                         else
 935                                                 ++used_demux_slots;
 936                                 }
 937                                 ++iter;
 938                         }
 939                         if (!freed)
 940                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 941                         if (i || loops == 1)
 942                         {
 943                                 if (!used_demux_slots)  // no more used.. so we remove it
 944                                 {
 945                                         delete it->second;
 946                                         exist.erase(it);
 947                                 }
 948                                 else
 949                                 {
 950                                         if (ptr)
 951                                                 it->second->buildCAPMT(ptr);
 952                                         else
 953                                                 eDebug("[eDVBCAService] can not send updated demux info");
 954                                 }
 955                         }
 956                 }
 957         }
 958         return 0;
 959 }
 960
 961 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 962 {
 963         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 964 }
 965
 966 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 967 {
 968         if ( chan )
 969         {
 970                 eDebug("[eDVBCAService] new channel %p!", chan);
 971                 channel_data *data = new channel_data();
 972                 data->m_channel = chan;
 973                 data->m_prevChannelState = -1;
 974                 data->m_dataDemux = -1;
 975                 exist_channels[chan] = data;
 976                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 977         }
 978 }
 979
 980 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 981 {
 982         ChannelMap::iterator it =
 983                 exist_channels.find(chan);
 984         if ( it != exist_channels.end() )
 985         {
 986                 int state=0;
 987                 chan->getState(state);
 988                 if ( it->second->m_prevChannelState != state )
 989                 {
 990                         switch (state)
 991                         {
 992                                 case iDVBChannel::state_ok:
 993                                 {
 994                                         eDebug("[eDVBCAService] channel %p running", chan);
 995                                         break;
 996                                 }
 997                                 case iDVBChannel::state_release:
 998                                 {
 999                                         eDebug("[eDVBCAService] remove channel %p", chan);
1000                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
1001                                         msg[7] = it->second->m_dataDemux & 0xFF;
1002                                         int sock, clilen;
1003                                         struct sockaddr_un servaddr;
1004                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1005                                         servaddr.sun_family = AF_UNIX;
1006                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1007                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1008                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1009                                         if (sock > -1)
1010                                         {
1011                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1012                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1013                                                 int val=1;
1014                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1015                                                 if (write(sock, msg, 8) != 8)
1016                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1017                                                 close(sock);
1018                                         }
1019                                         exist_channels.erase(it);
1020                                         delete it->second;
1021                                         it->second=0;
1022                                         break;
1023                                 }
1024                                 default: // ignore all other events
1025                                         return;
1026                         }
1027                         if (it->second)
1028                                 it->second->m_prevChannelState = state;
1029                 }
1030         }
1031 }
1032
1033 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1034 {
1035         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1036         {
1037                 if (chid == it->second->m_channel->getChannelID())
1038                         return it->second;
1039         }
1040         return 0;
1041 }
1042 // end static methods
1043
1044 #define CA_REPLY_DEBUG
1045 #define MAX_LENGTH_BYTES 4
1046 #define MIN_LENGTH_BYTES 1
1047
1048 void eDVBCAService::socketCB(int what)
1049 {
1050         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1051         {
1052                 char msgbuffer[4096];
1053                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1054                 if (length == -1)
1055                 {
1056                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1057                         {
1058                                 eDebug("[eSocketMMIHandler] read (%m)");
1059                                 what |= eSocketNotifier::Error;
1060                         }
1061                 } else if (length == 0)
1062                 {
1063                         what |= eSocketNotifier::Hungup;
1064                 } else
1065                 {
1066                         int len = length;
1067                         unsigned char *data = (unsigned char*)msgbuffer;
1068                         int clear = 1;
1069         // If a new message starts, then the previous message
1070         // should already have been processed. Otherwise the
1071         // previous message was incomplete and should therefore
1072         // be deleted.
1073                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1074                                 clear = 0;
1075                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1076                                 clear = 0;
1077                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1078                                 clear = 0;
1079                         if (clear)
1080                         {
1081                                 m_buffer.clear();
1082 #ifdef CA_REPLY_DEBUG
1083                                 eDebug("clear buffer");
1084 #endif
1085                         }
1086 #ifdef CA_REPLY_DEBUG
1087                         eDebug("Put to buffer:");
1088                         for (int i=0; i < len; ++i)
1089                                 eDebugNoNewLine("%02x ", data[i]);
1090                         eDebug("\n--------");
1091 #endif
1092                         m_buffer.write( data, len );
1093
1094                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1095                         {
1096                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1097                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1098                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1099                                 {
1100                                         m_buffer.skip(1);
1101 #ifdef CA_REPLY_DEBUG
1102                                         eDebug("skip %02x", tmp[0]);
1103 #endif
1104                                         continue;
1105                                 }
1106                                 if (tmp[3] & 0x80)
1107                                 {
1108                                         int peekLength = (tmp[3] & 0x7f) + 4;
1109                                         if (m_buffer.size() < peekLength)
1110                                                 continue;
1111                                         m_buffer.peek(tmp, peekLength);
1112                                 }
1113                                 int size=0;
1114                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1115                                 int messageLength = 3+LengthBytes+size;
1116                                 if ( m_buffer.size() >= messageLength )
1117                                 {
1118                                         unsigned char dest[messageLength];
1119                                         m_buffer.read(dest, messageLength);
1120 #ifdef CA_REPLY_DEBUG
1121                                         eDebug("dump ca reply:");
1122                                         for (int i=0; i < messageLength; ++i)
1123                                                 eDebugNoNewLine("%02x ", dest[i]);
1124                                         eDebug("\n--------");
1125 #endif
1126 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1127                                 }
1128                         }
1129                 }
1130         }
1131         if (what & eSocketNotifier::Hungup) {
1132                 /*eDebug("[eDVBCAService] connection closed")*/;
1133                 m_sendstate=1;
1134                 sendCAPMT();
1135         }
1136         if (what & eSocketNotifier::Error)
1137                 eDebug("[eDVBCAService] connection error");
1138 }
1139
1140 void eDVBCAService::Connect()
1141 {
1142         m_sn=0;
1143         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1144         m_servaddr.sun_family = AF_UNIX;
1145         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1146         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1147         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1148         if (m_sock != -1)
1149         {
1150                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1151                 {
1152                         int val=1;
1153                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1154                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1155                         m_sn = eSocketNotifier::create(eApp, m_sock,
1156                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1157                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1158
1159                 }
1160 //              else
1161 //                      eDebug("[eDVBCAService] connect failed %m");
1162         }
1163         else
1164                 eDebug("[eDVBCAService] create socket failed %m");
1165 }
1166
1167 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1168 {
1169         if (!ptr)
1170                 return;
1171
1172         eDVBTableSpec table_spec;
1173         ptr->getSpec(table_spec);
1174
1175         int pmtpid = table_spec.pid,
1176                 pmt_version = table_spec.version;
1177
1178         uint8_t demux_mask = 0;
1179         int data_demux = -1;
1180
1181         int iter=0, max_demux_slots = sizeof(m_used_demux);
1182         while ( iter < max_demux_slots )
1183         {
1184                 if ( m_used_demux[iter] != 0xFF )
1185                 {
1186                         if ( m_used_demux[iter] > data_demux )
1187                                 data_demux = m_used_demux[iter];
1188                         demux_mask |= (1 << m_used_demux[iter]);
1189                 }
1190                 ++iter;
1191         }
1192
1193         if ( data_demux == -1 )
1194         {
1195                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1196                 return;
1197         }
1198
1199         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1200
1201         unsigned int build_hash = ( pmtpid << 16);
1202         build_hash |= (demux_mask << 8);
1203         build_hash |= (pmt_version&0xFF);
1204
1205         if ( build_hash == m_prev_build_hash )
1206         {
1207                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1208                 return;
1209         }
1210
1211         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1212         if ( i != ptr->getSections().end() )
1213         {
1214                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1215
1216                 while( i != ptr->getSections().end() )
1217                 {
1218 //                      eDebug("append");
1219                         capmt.append(*i++);
1220                 }
1221
1222                 // add our private descriptors to capmt
1223                 uint8_t tmp[10];
1224
1225                 tmp[0]=0x84;  // pmt pid
1226                 tmp[1]=0x02;
1227                 tmp[2]=pmtpid>>8;
1228                 tmp[3]=pmtpid&0xFF;
1229                 capmt.injectDescriptor(tmp, false);
1230
1231                 tmp[0] = 0x82; // demux
1232                 tmp[1] = 0x02;
1233                 tmp[2] = demux_mask;    // descramble bitmask
1234                 tmp[3] = data_demux&0xFF; // read section data from demux number
1235                 capmt.injectDescriptor(tmp, false);
1236
1237                 tmp[0] = 0x81; // dvbnamespace
1238                 tmp[1] = 0x08;
1239                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1240                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1241                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1242                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1243                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1244                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1245                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1246                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1247                 capmt.injectDescriptor(tmp, false);
1248
1249                 capmt.writeToBuffer(m_capmt);
1250         }
1251
1252         m_prev_build_hash = build_hash;
1253
1254         if ( m_sendstate != 0xFFFFFFFF )
1255                 m_sendstate=0;
1256         sendCAPMT();
1257 }
1258
1259 void eDVBCAService::sendCAPMT()
1260 {
1261         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1262         {
1263                 ::close(m_sock);
1264                 Connect();
1265         }
1266
1267         int wp=0;
1268         if ( m_capmt[3] & 0x80 )
1269         {
1270                 int i=0;
1271                 int lenbytes = m_capmt[3] & ~0x80;
1272                 while(i < lenbytes)
1273                         wp = (wp << 8) | m_capmt[4 + i++];
1274                 wp+=4;
1275                 wp+=lenbytes;
1276         }
1277         else
1278         {
1279                 wp = m_capmt[3];
1280                 wp+=4;
1281         }
1282
1283         if ( write(m_sock, m_capmt, wp) == wp )
1284         {
1285                 m_sendstate=0xFFFFFFFF;
1286                 eDebug("[eDVBCAService] send %d bytes",wp);
1287                 eDVBChannelID chid;
1288                 m_service.getChannelID(chid);
1289                 channel_data *data = getChannelData(chid);
1290                 if (data)
1291                 {
1292                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1293                         data->m_dataDemux = m_capmt[24+lenbytes];
1294                 }
1295 #if 1
1296                 for(int i=0;i<wp;i++)
1297                         eDebugNoNewLine("%02x ", m_capmt[i]);
1298                 eDebug("");
1299 #endif
1300         }
1301         else
1302         {
1303                 switch(m_sendstate)
1304                 {
1305                         case 0xFFFFFFFF:
1306                                 ++m_sendstate;
1307                                 m_retryTimer->start(0,true);
1308 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1309                                 break;
1310                         default:
1311                                 m_retryTimer->start(5000,true);
1312 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1313                                 break;
1314                 }
1315                 ++m_sendstate;
1316         }
1317 }
1318
1319 static PyObject *createTuple(int pid, const char *type)
1320 {
1321         PyObject *r = PyTuple_New(2);
1322         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1323         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1324         return r;
1325 }
1326
1327 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1328 {
1329         PyList_Append(list, item);
1330         Py_DECREF(item);
1331 }
1332
1333 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1334
1335 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1336 {
1337         ePyObject r = PyDict_New();
1338         ePyObject l = PyList_New(0);
1339
1340         PyList_AppendSteal(l, createTuple(0, "pat"));
1341
1342         if (pmtPid != -1)
1343                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1344
1345         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1346                         i(videoStreams.begin());
1347                         i != videoStreams.end(); ++i)
1348                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1349
1350         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1351                         i(audioStreams.begin());
1352                         i != audioStreams.end(); ++i)
1353                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1354
1355         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1356                         i(subtitleStreams.begin());
1357                         i != subtitleStreams.end(); ++i)
1358                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1359
1360         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1361
1362         if (textPid != -1)
1363                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1364
1365         PutToDict(r, "pids", l);
1366
1367         return r;
1368 }