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 #include <dvbsi++/ac3_descriptor.h>
  22
  23 eDVBServicePMTHandler::eDVBServicePMTHandler()
  24         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF), m_no_pat_entry_delay(eTimer::create())
  25 {
  26         m_use_decode_demux = 0;
  27         m_pmt_pid = -1;
  28         eDVBResourceManager::getInstance(m_resourceManager);
  29         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  30         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  31         CONNECT(m_no_pat_entry_delay->timeout, eDVBServicePMTHandler::sendEventNoPatEntry);
  32 }
  33
  34 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  35 {
  36         free();
  37 }
  38
  39 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  40 {
  41         int state;
  42         channel->getState(state);
  43
  44         if ((m_last_channel_state != iDVBChannel::state_ok)
  45                 && (state == iDVBChannel::state_ok) && (!m_demux))
  46         {
  47                 if (m_channel)
  48                 {
  49                         if (m_pvr_demux_tmp)
  50                         {
  51                                 m_demux = m_pvr_demux_tmp;
  52                                 m_pvr_demux_tmp = NULL;
  53                         }
  54                         else if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  55                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  56                 }
  57
  58                 serviceEvent(eventTuned);
  59
  60                 if (m_demux)
  61                 {
  62                         eDebug("ok ... now we start!!");
  63
  64                         if (!m_service || m_service->usePMT())
  65                         {
  66                                 if (m_pmt_pid == -1)
  67                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  68                                 else
  69                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  70                         }
  71
  72                         if ( m_service && !m_service->cacheEmpty() )
  73                                 serviceEvent(eventNewProgramInfo);
  74                 }
  75         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  76                         (state == iDVBChannel::state_failed))
  77         {
  78                 eDebug("tune failed.");
  79                 serviceEvent(eventTuneFailed);
  80         }
  81 }
  82
  83 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  84 {
  85         switch (event)
  86         {
  87         case iDVBChannel::evtPreStart:
  88                 serviceEvent(eventPreStart);
  89                 break;
  90         case iDVBChannel::evtEOF:
  91                 serviceEvent(eventEOF);
  92                 break;
  93         case iDVBChannel::evtSOF:
  94                 serviceEvent(eventSOF);
  95                 break;
  96         default:
  97                 break;
  98         }
  99 }
 100
 101 void eDVBServicePMTHandler::PMTready(int error)
 102 {
 103         if (error)
 104                 serviceEvent(eventNoPMT);
 105         else
 106         {
 107                 m_have_cached_program = false;
 108                 serviceEvent(eventNewProgramInfo);
 109                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
 110                 {
 111                         eEPGCache::getInstance()->PMTready(this);
 112                         if(!m_ca_servicePtr)
 113                         {
 114                                 int demuxes[2] = {0,0};
 115                                 uint8_t tmp;
 116                                 m_demux->getCADemuxID(tmp);
 117                                 demuxes[0]=tmp;
 118                                 if (m_decode_demux_num != 0xFF)
 119                                         demuxes[1]=m_decode_demux_num;
 120                                 else
 121                                         demuxes[1]=demuxes[0];
 122                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 123                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 124                         }
 125                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 126                 }
 127                 if (m_ca_servicePtr)
 128                 {
 129                         ePtr<eTable<ProgramMapSection> > ptr;
 130                         if (!m_PMT.getCurrent(ptr))
 131                                 m_ca_servicePtr->buildCAPMT(ptr);
 132                         else
 133                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 134                 }
 135         }
 136 }
 137
 138 void eDVBServicePMTHandler::sendEventNoPatEntry()
 139 {
 140         serviceEvent(eventNoPATEntry);
 141 }
 142
 143 void eDVBServicePMTHandler::PATready(int)
 144 {
 145         eDebug("PATready");
 146         ePtr<eTable<ProgramAssociationSection> > ptr;
 147         if (!m_PAT.getCurrent(ptr))
 148         {
 149                 int service_id_single = -1;
 150                 int pmtpid_single = -1;
 151                 int pmtpid = -1;
 152                 int cnt=0;
 153                 std::vector<ProgramAssociationSection*>::const_iterator i;
 154                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 155                 {
 156                         const ProgramAssociationSection &pat = **i;
 157                         ProgramAssociationConstIterator program;
 158                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 159                         {
 160                                 ++cnt;
 161                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 162                                         pmtpid = (*program)->getProgramMapPid();
 163                                 if (++cnt == 1 && pmtpid_single == -1 && pmtpid == -1)
 164                                 {
 165                                         pmtpid_single = (*program)->getProgramMapPid();
 166                                         service_id_single = (*program)->getProgramNumber();
 167                                 }
 168                                 else
 169                                         pmtpid_single = service_id_single = -1;
 170                         }
 171                 }
 172                 if (pmtpid_single != -1) // only one PAT entry .. and not valid pmtpid found
 173                 {
 174                         eDebug("use single pat entry!");
 175                         m_reference.setServiceID(eServiceID(service_id_single));
 176                         pmtpid = pmtpid_single;
 177                 }
 178                 if (pmtpid == -1) {
 179                         eDebug("no PAT entry found.. start delay");
 180                         m_no_pat_entry_delay->start(1000, true);
 181                 }
 182                 else {
 183                         eDebug("use pmtpid %04x for service_id %04x", pmtpid, m_reference.getServiceID().get());
 184                         m_no_pat_entry_delay->stop();
 185                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 186                 }
 187         } else
 188                 serviceEvent(eventNoPAT);
 189 }
 190
 191 PyObject *eDVBServicePMTHandler::getCaIds(bool pair)
 192 {
 193         ePyObject ret;
 194
 195         program prog;
 196
 197         if ( !getProgramInfo(prog) )
 198         {
 199                 if (pair)
 200                 {
 201                         int cnt=prog.caids.size();
 202                         if (cnt)
 203                         {
 204                                 ret=PyList_New(cnt);
 205                                 std::list<program::capid_pair>::iterator it(prog.caids.begin());
 206                                 while(cnt--)
 207                                 {
 208                                         ePyObject tuple = PyTuple_New(2);
 209                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(it->caid));
 210                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong((it++)->capid));
 211                                         PyList_SET_ITEM(ret, cnt, tuple);
 212                                 }
 213                         }
 214                 }
 215                 else
 216                 {
 217                         std::set<program::capid_pair> set(prog.caids.begin(), prog.caids.end());
 218                         std::set<program::capid_pair>::iterator it(set.begin());
 219                         int cnt=set.size();
 220                         ret=PyList_New(cnt);
 221                         while(cnt--)
 222                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong((it++)->caid));
 223                 }
 224         }
 225
 226         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 227 }
 228
 229 int eDVBServicePMTHandler::getProgramInfo(program &program)
 230 {
 231         ePtr<eTable<ProgramMapSection> > ptr;
 232         int cached_apid_ac3 = -1;
 233         int cached_apid_mpeg = -1;
 234         int cached_vpid = -1;
 235         int cached_tpid = -1;
 236         int ret = -1;
 237
 238         program.videoStreams.clear();
 239         program.audioStreams.clear();
 240         program.pcrPid = -1;
 241         program.pmtPid = -1;
 242         program.textPid = -1;
 243
 244         int first_ac3 = -1;
 245         program.defaultAudioStream = 0;
 246         audioStream *prev_audio = 0;
 247
 248         if ( m_service && !m_service->cacheEmpty() )
 249         {
 250                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 251                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 252                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 253                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 254         }
 255
 256         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 257         {
 258                 if (m_have_cached_program)
 259                 {
 260                         program = m_cached_program;
 261                         ret = 0;
 262                 }
 263                 else
 264                 {
 265                         eDVBTableSpec table_spec;
 266                         ptr->getSpec(table_spec);
 267                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 268                         std::vector<ProgramMapSection*>::const_iterator i;
 269                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 270                         {
 271                                 const ProgramMapSection &pmt = **i;
 272                                 int is_hdmv = 0;
 273
 274                                 program.pcrPid = pmt.getPcrPid();
 275
 276                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 277                                         desc != pmt.getDescriptors()->end(); ++desc)
 278                                 {
 279                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 280                                         {
 281                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 282                                                 program::capid_pair pair;
 283                                                 pair.caid = descr->getCaSystemId();
 284                                                 pair.capid = descr->getCaPid();
 285                                                 program.caids.push_back(pair);
 286                                         }
 287                                         else if ((*desc)->getTag() == REGISTRATION_DESCRIPTOR)
 288                                         {
 289                                                 RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 290                                                 if (d->getFormatIdentifier() == 0x48444d56) // HDMV
 291                                                         is_hdmv = 1;
 292                                         }
 293                                 }
 294
 295                                 ElementaryStreamInfoConstIterator es;
 296                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 297                                 {
 298                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 299                                         int streamtype = (*es)->getType();
 300                                         videoStream video;
 301                                         audioStream audio;
 302                                         audio.component_tag=video.component_tag=-1;
 303                                         video.type = videoStream::vtMPEG2;
 304                                         audio.type = audioStream::atMPEG;
 305                                         audio.rdsPid = -1;
 306
 307                                         switch (streamtype)
 308                                         {
 309                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 310                                                 video.type = videoStream::vtMPEG4_H264;
 311                                                 isvideo = 1;
 312                                                 //break; fall through !!!
 313                                         case 0x10: // MPEG 4 Part 2
 314                                                 if (!isvideo)
 315                                                 {
 316                                                         video.type = videoStream::vtMPEG4_Part2;
 317                                                         isvideo = 1;
 318                                                 }
 319                                                 //break; fall through !!!
 320                                         case 0x01: // MPEG 1 video
 321                                                 if (!isvideo)
 322                                                         video.type = videoStream::vtMPEG1;
 323                                                 //break; fall through !!!
 324                                         case 0x02: // MPEG 2 video
 325                                                 isvideo = 1;
 326                                                 forced_video = 1;
 327                                                 //break; fall through !!!
 328                                         case 0x03: // MPEG 1 audio
 329                                         case 0x04: // MPEG 2 audio:
 330                                                 if (!isvideo) {
 331                                                         isaudio = 1;
 332                                                         forced_audio = 1;
 333                                                 }
 334                                                 //break; fall through !!!
 335                                         case 0x0f: // MPEG 2 AAC
 336                                                 if (!isvideo && !isaudio)
 337                                                 {
 338                                                         isaudio = 1;
 339                                                         audio.type = audioStream::atAAC;
 340                                                         forced_audio = 1;
 341                                                 }
 342                                                 //break; fall through !!!
 343                                         case 0x11: // MPEG 4 AAC
 344                                                 if (!isvideo && !isaudio)
 345                                                 {
 346                                                         isaudio = 1;
 347                                                         audio.type = audioStream::atAACHE;
 348                                                         forced_audio = 1;
 349                                                 }
 350                                         case 0x80: // user private ... but bluray LPCM
 351                                         case 0xA0: // bluray secondary LPCM
 352                                                 if (!isvideo && !isaudio && is_hdmv)
 353                                                 {
 354                                                         isaudio = 1;
 355                                                         audio.type = audioStream::atLPCM;
 356                                                 }
 357                                         case 0x81: // user private ... but bluray AC3
 358                                         case 0xA1: // bluray secondary AC3
 359                                                 if (!isvideo && !isaudio && is_hdmv)
 360                                                 {
 361                                                         isaudio = 1;
 362                                                         audio.type = audioStream::atAC3;
 363                                                 }
 364                                         case 0x82: // bluray DTS (dvb user private...)
 365                                         case 0xA2: // bluray secondary DTS
 366                                                 if (!isvideo && !isaudio && is_hdmv)
 367                                                 {
 368                                                         isaudio = 1;
 369                                                         audio.type = audioStream::atDTS;
 370                                                 }
 371                                         case 0x86: // bluray DTS-HD (dvb user private...)
 372                                         case 0xA6: // bluray secondary DTS-HD
 373                                                 if (!isvideo && !isaudio && is_hdmv)
 374                                                 {
 375                                                         isaudio = 1;
 376                                                         audio.type = audioStream::atDTSHD;
 377                                                 }
 378                                         case 0x06: // PES Private
 379                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 380                                         {
 381                                                 int num_descriptors = 0;
 382                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 383                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 384                                                 {
 385                                                         uint8_t tag = (*desc)->getTag();
 386                                                         /* check descriptors to get the exakt stream type. */
 387                                                         ++num_descriptors;
 388                                                         if (!forced_video && !forced_audio)
 389                                                         {
 390                                                                 switch (tag)
 391                                                                 {
 392                                                                 case AUDIO_STREAM_DESCRIPTOR:
 393                                                                         isaudio = 1;
 394                                                                         break;
 395                                                                 case VIDEO_STREAM_DESCRIPTOR:
 396                                                                 {
 397                                                                         isvideo = 1;
 398                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 399                                                                         if (d->getMpeg1OnlyFlag())
 400                                                                                 video.type = videoStream::vtMPEG1;
 401                                                                         break;
 402                                                                 }
 403                                                                 case SUBTITLING_DESCRIPTOR:
 404                                                                 {
 405                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 406                                                                         const SubtitlingList *list = d->getSubtitlings();
 407                                                                         subtitleStream s;
 408                                                                         s.pid = (*es)->getPid();
 409                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 410                                                                         {
 411                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 412                                                                                 switch(s.subtitling_type)
 413                                                                                 {
 414                                                                                 case 0x10 ... 0x13:
 415                                                                                 case 0x20 ... 0x23: // dvb subtitles
 416                                                                                         break;
 417                                                                                 default:
 418                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 419                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 420                                                                                         s.subtitling_type = 0x10;
 421                                                                                         break;
 422                                                                                 }
 423                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 424                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 425                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 426 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 427 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 428                                                                                 issubtitle=1;
 429                                                                                 program.subtitleStreams.push_back(s);
 430                                                                         }
 431                                                                         break;
 432                                                                 }
 433                                                                 case TELETEXT_DESCRIPTOR:
 434                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 435                                                                         {
 436                                                                                 subtitleStream s;
 437                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 438                                                                                 s.pid = program.textPid = (*es)->getPid();
 439                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 440                                                                                 isteletext = 1;
 441                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 442                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 443                                                                                 {
 444                                                                                         switch((*it)->getTeletextType())
 445                                                                                         {
 446                                                                                         case 0x02: // Teletext subtitle page
 447                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 448                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 449                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 450                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 451 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 452 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 453                                                                                                 program.subtitleStreams.push_back(s);
 454                                                                                                 issubtitle=1;
 455                                                                                         default:
 456                                                                                                 break;
 457                                                                                         }
 458                                                                                 }
 459                                                                         }
 460                                                                         break;
 461                                                                 case DTS_DESCRIPTOR:
 462                                                                         isaudio = 1;
 463                                                                         audio.type = audioStream::atDTS;
 464                                                                         break;
 465                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 466                                                                         isaudio = 1;
 467                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 468                                                                         break;
 469                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 470                                                                 case AAC_DESCRIPTOR:
 471                                                                         isaudio = 1;
 472                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 473                                                                         break;
 474                                                                 case AC3_DESCRIPTOR:
 475                                                                 {
 476                                                                         Ac3Descriptor *ac = (Ac3Descriptor*)(*desc);
 477
 478                                                                         isaudio = 1;
 479                                                                         audio.type = audioStream::atAC3;
 480
 481                                                                         if(ac->getAc3TypeFlag())
 482                                                                         {
 483
 484                                                                                 uint8_t ac3type = ac->getAc3Type();
 485                                                                                 if( ( ac3type & 0x80 ) && ( (ac3type<<5) == 0xA0 || (ac3type<<5) == 0xC0) ) // From EN-300 468 v1.7.1 Table D.1
 486                                                                                         audio.type = audioStream::atDDP;
 487                                                                         }
 488
 489                                                                         break;
 490                                                                 }
 491                                                                 case ENHANCED_AC3_DESCRIPTOR:
 492                                                                         isaudio = 1;
 493                                                                         audio.type = audioStream::atDDP;
 494                                                                         break;
 495
 496
 497                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 498                                                                 {
 499                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 500                                                                         switch (d->getFormatIdentifier())
 501                                                                         {
 502                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 503                                                                                 isaudio = 1;
 504                                                                                 audio.type = audioStream::atDTS;
 505                                                                                 break;
 506                                                                         case 0x41432d33: // == 'AC-3'
 507                                                                                 isaudio = 1;
 508                                                                                 audio.type = audioStream::atAC3;
 509                                                                                 break;
 510                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 511                                                                                 isaudio = 1;
 512                                                                                 audio.type = audioStream::atLPCM;
 513                                                                                 break;
 514                                                                         case 0x56432d31: // == 'VC-1'
 515                                                                         {
 516                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 517                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 518                                                                                 {
 519                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 520                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 521                                                                                         else
 522                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 523                                                                                         isvideo = 1;
 524                                                                                 }
 525                                                                         }
 526                                                                         default:
 527                                                                                 break;
 528                                                                         }
 529                                                                         break;
 530                                                                 }
 531                                                                 case 0x28: // TS_PSI_DT_AVC
 532                                                                         isvideo = 1;
 533                                                                         video.type = videoStream::vtMPEG4_H264;
 534                                                                         break;
 535                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 536                                                                         isvideo = 1;
 537                                                                         video.type = videoStream::vtMPEG4_Part2;
 538                                                                         break;
 539                                                                 default:
 540                                                                         break;
 541                                                                 }
 542                                                         }
 543                                                         switch (tag)
 544                                                         {
 545                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 546                                                                 if (!isvideo)
 547                                                                 {
 548                                                                         int cnt=0;
 549                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 550                                                                                 /* use last language code */
 551                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 552                                                                         {
 553                                                                                 if (cnt == 0)
 554                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 555                                                                                 else
 556                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 557                                                                         }
 558                                                                 }
 559                                                                 break;
 560                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 561                                                                 audio.component_tag =
 562                                                                         video.component_tag =
 563                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 564                                                                 break;
 565                                                         case CA_DESCRIPTOR:
 566                                                         {
 567                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 568                                                                 program::capid_pair pair;
 569                                                                 pair.caid = descr->getCaSystemId();
 570                                                                 pair.capid = descr->getCaPid();
 571                                                                 program.caids.push_back(pair);
 572                                                                 break;
 573                                                         }
 574                                                         default:
 575                                                                 break;
 576                                                         }
 577                                                 }
 578                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 579                                                 {
 580                                                         prev_audio->rdsPid = (*es)->getPid();
 581                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 582                                                 }
 583                                                 prev_audio = 0;
 584                                         }
 585                                         default:
 586                                                 break;
 587                                         }
 588                                         if (isteletext && (isaudio || isvideo))
 589                                         {
 590                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 591                                                 continue; // continue with next PID
 592                                         }
 593                                         else if (issubtitle && (isaudio || isvideo))
 594                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 595                                         else if (isaudio && isvideo)
 596                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 597                                         if (issubtitle) // continue with next PID
 598                                                 continue;
 599                                         else if (isvideo)
 600                                         {
 601                                                 video.pid = (*es)->getPid();
 602                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 603                                                 {
 604                                                         program.videoStreams.push_back(program.videoStreams[0]);
 605                                                         program.videoStreams[0] = video;
 606                                                 }
 607                                                 else
 608                                                         program.videoStreams.push_back(video);
 609                                         }
 610                                         else if (isaudio)
 611                                         {
 612                                                 audio.pid = (*es)->getPid();
 613
 614                                                         /* if we find the cached pids, this will be our default stream */
 615                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 616                                                         program.defaultAudioStream = program.audioStreams.size();
 617
 618                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 619                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 620                                                         first_ac3 = program.audioStreams.size();
 621
 622                                                 program.audioStreams.push_back(audio);
 623                                                 prev_audio = &program.audioStreams.back();
 624                                         }
 625                                         else
 626                                                 continue;
 627                                 }
 628                         }
 629                         ret = 0;
 630
 631                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 632                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 633                            (note: if an ac3 audio stream was selected before, this will be also stored
 634                            in 'fisrt_ac3', so we don't need to worry. */
 635                         bool defaultac3 = false;
 636                         std::string default_ac3;
 637
 638                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 639                                 defaultac3 = default_ac3 == "True";
 640
 641                         if (defaultac3 && (first_ac3 != -1))
 642                                 program.defaultAudioStream = first_ac3;
 643
 644                         m_cached_program = program;
 645                         m_have_cached_program = true;
 646                 }
 647         } else if ( m_service && !m_service->cacheEmpty() )
 648         {
 649                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 650                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 651                         cnt=0;
 652                 if ( vpidtype == -1 )
 653                         vpidtype = videoStream::vtMPEG2;
 654                 if ( cached_vpid != -1 )
 655                 {
 656                         videoStream s;
 657                         s.pid = cached_vpid;
 658                         s.type = vpidtype;
 659                         program.videoStreams.push_back(s);
 660                         ++cnt;
 661                 }
 662                 if ( cached_apid_ac3 != -1 )
 663                 {
 664                         audioStream s;
 665                         s.type = audioStream::atAC3;
 666                         s.pid = cached_apid_ac3;
 667                         s.rdsPid = -1;
 668                         program.audioStreams.push_back(s);
 669                         ++cnt;
 670                 }
 671                 if ( cached_apid_mpeg != -1 )
 672                 {
 673                         audioStream s;
 674                         s.type = audioStream::atMPEG;
 675                         s.pid = cached_apid_mpeg;
 676                         s.rdsPid = -1;
 677                         program.audioStreams.push_back(s);
 678                         ++cnt;
 679                 }
 680                 if ( cached_pcrpid != -1 )
 681                 {
 682                         ++cnt;
 683                         program.pcrPid = cached_pcrpid;
 684                 }
 685                 if ( cached_tpid != -1 )
 686                 {
 687                         ++cnt;
 688                         program.textPid = cached_tpid;
 689                 }
 690                 CAID_LIST &caids = m_service->m_ca;
 691                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it) {
 692                         program::capid_pair pair;
 693                         pair.caid = *it;
 694                         pair.capid = -1; // not known yet
 695                         program.caids.push_back(pair);
 696                 }
 697                 if ( cnt )
 698                         ret = 0;
 699         }
 700         return ret;
 701 }
 702
 703 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 704 {
 705         channel = m_channel;
 706         if (channel)
 707                 return 0;
 708         else
 709                 return -1;
 710 }
 711
 712 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 713 {
 714         demux = m_demux;
 715         if (demux)
 716                 return 0;
 717         else
 718                 return -1;
 719 }
 720
 721 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 722 {
 723         int ret=0;
 724                 /* if we're using the decoding demux as data source
 725                    (for example in pvr playbacks), return that one. */
 726         if (m_use_decode_demux)
 727         {
 728                 demux = m_demux;
 729                 return ret;
 730         }
 731
 732         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 733
 734         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 735         if (!ret)
 736                 demux->getCADemuxID(m_decode_demux_num);
 737
 738         return ret;
 739 }
 740
 741 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 742 {
 743         pvr_channel = m_pvr_channel;
 744         if (pvr_channel)
 745                 return 0;
 746         else
 747                 return -1;
 748 }
 749
 750 void eDVBServicePMTHandler::SDTScanEvent(int event)
 751 {
 752         switch (event)
 753         {
 754                 case eDVBScan::evtFinish:
 755                 {
 756                         ePtr<iDVBChannelList> db;
 757                         if (m_resourceManager->getChannelList(db) != 0)
 758                                 eDebug("no channel list");
 759                         else
 760                         {
 761                                 eDVBChannelID chid;
 762                                 m_reference.getChannelID(chid);
 763                                 if (chid == m_dvb_scan->getCurrentChannelID())
 764                                 {
 765                                         m_dvb_scan->insertInto(db, true);
 766                                         eDebug("sdt update done!");
 767                                 }
 768                                 else
 769                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 770                         }
 771                         break;
 772                 }
 773
 774                 default:
 775                         break;
 776         }
 777 }
 778
 779 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 780 {
 781         ePtr<iTsSource> s;
 782         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 783 }
 784
 785 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service)
 786 {
 787         RESULT res=0;
 788         m_reference = ref;
 789         m_use_decode_demux = use_decode_demux;
 790         m_no_pat_entry_delay->stop();
 791
 792                 /* 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 */
 793         m_service = service;
 794
 795                 /* is this a normal (non PVR) channel? */
 796         if (ref.path.empty())
 797         {
 798                 eDVBChannelID chid;
 799                 ref.getChannelID(chid);
 800                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 801                 if (!simulate)
 802                         eDebug("allocate Channel: res %d", res);
 803
 804                 ePtr<iDVBChannelList> db;
 805                 if (!m_resourceManager->getChannelList(db))
 806                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 807
 808                 if (!res && !simulate)
 809                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 810         } else if (!simulate) // no simulation of playback services
 811         {
 812                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 813                 {
 814                         eDVBTSTools tstools;
 815                         bool b = source || !tstools.openFile(ref.path.c_str(), 1);
 816                         eWarning("no .meta file found, trying to find PMT pid");
 817                         if (source)
 818                                 tstools.setSource(source, NULL);
 819                         if (b)
 820                         {
 821                                 int service_id, pmt_pid;
 822                                 if (!tstools.findPMT(pmt_pid, service_id))
 823                                 {
 824                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 825                                         m_reference.setServiceID(service_id);
 826                                         m_pmt_pid = pmt_pid;
 827                                 }
 828                         }
 829                         else
 830                                 eWarning("no valid source to find PMT pid!");
 831                 }
 832                 eDebug("alloc PVR");
 833                         /* allocate PVR */
 834                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 835                 if (res)
 836                         eDebug("allocatePVRChannel failed!\n");
 837                 m_channel = m_pvr_channel;
 838         }
 839
 840         if (!simulate)
 841         {
 842                 if (m_channel)
 843                 {
 844                         m_channel->connectStateChange(
 845                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 846                                 m_channelStateChanged_connection);
 847                         m_last_channel_state = -1;
 848                         channelStateChanged(m_channel);
 849
 850                         m_channel->connectEvent(
 851                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 852                                 m_channelEvent_connection);
 853
 854                         if (ref.path.empty())
 855                         {
 856                                 m_dvb_scan = 0;
 857                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 858                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 859                         }
 860                 } else
 861                 {
 862                         if (res == eDVBResourceManager::errAllSourcesBusy)
 863                                 serviceEvent(eventNoResources);
 864                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 865                                 serviceEvent(eventMisconfiguration);
 866                         return res;
 867                 }
 868
 869                 if (m_pvr_channel)
 870                 {
 871                         m_pvr_channel->setCueSheet(cue);
 872
 873                         if (m_pvr_channel->getDemux(m_pvr_demux_tmp, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
 874                                 eDebug("Allocating %s-decoding a demux for PVR channel failed.", m_use_decode_demux ? "" : "non-");
 875                         else if (source)
 876                                 m_pvr_channel->playSource(source, streaminfo_file);
 877                         else
 878                                 m_pvr_channel->playFile(ref.path.c_str());
 879                 }
 880         }
 881
 882         return res;
 883 }
 884
 885 void eDVBServicePMTHandler::free()
 886 {
 887         m_dvb_scan = 0;
 888
 889         if (m_ca_servicePtr)
 890         {
 891                 int demuxes[2] = {0,0};
 892                 uint8_t tmp;
 893                 m_demux->getCADemuxID(tmp);
 894                 demuxes[0]=tmp;
 895                 if (m_decode_demux_num != 0xFF)
 896                         demuxes[1]=m_decode_demux_num;
 897                 else
 898                         demuxes[1]=demuxes[0];
 899                 ePtr<eTable<ProgramMapSection> > ptr;
 900                 m_PMT.getCurrent(ptr);
 901                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 902                 m_ca_servicePtr = 0;
 903         }
 904
 905         if (m_channel)
 906                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 907
 908         if (m_pvr_channel)
 909         {
 910                 m_pvr_channel->stopFile();
 911                 m_pvr_channel->setCueSheet(0);
 912         }
 913
 914         m_PMT.stop();
 915         m_PAT.stop();
 916         m_service = 0;
 917         m_channel = 0;
 918         m_pvr_channel = 0;
 919         m_demux = 0;
 920 }
 921
 922 CAServiceMap eDVBCAService::exist;
 923 ChannelMap eDVBCAService::exist_channels;
 924 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 925
 926 eDVBCAService::eDVBCAService()
 927         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 928 {
 929         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 930         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 931         Connect();
 932 }
 933
 934 eDVBCAService::~eDVBCAService()
 935 {
 936         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 937         ::close(m_sock);
 938 }
 939
 940 // begin static methods
 941 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 942 {
 943         CAServiceMap::iterator it = exist.find(ref);
 944         if ( it != exist.end() )
 945                 caservice = it->second;
 946         else
 947         {
 948                 caservice = (exist[ref]=new eDVBCAService());
 949                 caservice->m_service = ref;
 950                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 951         }
 952
 953         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 954         for (int i=0; i < loops; ++i)
 955         {
 956 // search free demux entry
 957                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 958
 959                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 960                         ++iter;
 961
 962                 if ( iter < max_demux_slots )
 963                 {
 964                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 965                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 966                 }
 967                 else
 968                 {
 969                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 970                         return -1;
 971                 }
 972         }
 973         return 0;
 974 }
 975
 976 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 977 {
 978         CAServiceMap::iterator it = exist.find(ref);
 979         if ( it == exist.end() )
 980         {
 981                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 982                 return -1;
 983         }
 984         else
 985         {
 986                 eDVBCAService *caservice = it->second;
 987                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 988                 for (int i=0; i < loops; ++i)
 989                 {
 990                         bool freed = false;
 991                         int iter = 0,
 992                                 used_demux_slots = 0,
 993                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 994                         while ( iter < max_demux_slots )
 995                         {
 996                                 if ( caservice->m_used_demux[iter] != 0xFF )
 997                                 {
 998                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 999                                         {
1000                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
1001                                                 caservice->m_used_demux[iter] = 0xFF;
1002                                                 freed=true;
1003                                         }
1004                                         else
1005                                                 ++used_demux_slots;
1006                                 }
1007                                 ++iter;
1008                         }
1009                         if (!freed)
1010                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
1011                         if (i || loops == 1)
1012                         {
1013                                 if (!used_demux_slots)  // no more used.. so we remove it
1014                                 {
1015                                         delete it->second;
1016                                         exist.erase(it);
1017                                 }
1018                                 else
1019                                 {
1020                                         if (ptr)
1021                                                 it->second->buildCAPMT(ptr);
1022                                         else
1023                                                 eDebug("[eDVBCAService] can not send updated demux info");
1024                                 }
1025                         }
1026                 }
1027         }
1028         return 0;
1029 }
1030
1031 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
1032 {
1033         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
1034 }
1035
1036 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
1037 {
1038         if ( chan )
1039         {
1040                 eDebug("[eDVBCAService] new channel %p!", chan);
1041                 channel_data *data = new channel_data();
1042                 data->m_channel = chan;
1043                 data->m_prevChannelState = -1;
1044                 data->m_dataDemux = -1;
1045                 exist_channels[chan] = data;
1046                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
1047         }
1048 }
1049
1050 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
1051 {
1052         ChannelMap::iterator it =
1053                 exist_channels.find(chan);
1054         if ( it != exist_channels.end() )
1055         {
1056                 int state=0;
1057                 chan->getState(state);
1058                 if ( it->second->m_prevChannelState != state )
1059                 {
1060                         switch (state)
1061                         {
1062                                 case iDVBChannel::state_ok:
1063                                 {
1064                                         eDebug("[eDVBCAService] channel %p running", chan);
1065                                         break;
1066                                 }
1067                                 case iDVBChannel::state_release:
1068                                 {
1069                                         eDebug("[eDVBCAService] remove channel %p", chan);
1070                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
1071                                         msg[7] = it->second->m_dataDemux & 0xFF;
1072                                         int sock, clilen;
1073                                         struct sockaddr_un servaddr;
1074                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1075                                         servaddr.sun_family = AF_UNIX;
1076                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1077                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1078                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1079                                         if (sock > -1)
1080                                         {
1081                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1082                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1083                                                 int val=1;
1084                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1085                                                 if (write(sock, msg, 8) != 8)
1086                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1087                                                 close(sock);
1088                                         }
1089                                         exist_channels.erase(it);
1090                                         delete it->second;
1091                                         it->second=0;
1092                                         break;
1093                                 }
1094                                 default: // ignore all other events
1095                                         return;
1096                         }
1097                         if (it->second)
1098                                 it->second->m_prevChannelState = state;
1099                 }
1100         }
1101 }
1102
1103 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1104 {
1105         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1106         {
1107                 if (chid == it->second->m_channel->getChannelID())
1108                         return it->second;
1109         }
1110         return 0;
1111 }
1112 // end static methods
1113
1114 #define CA_REPLY_DEBUG
1115 #define MAX_LENGTH_BYTES 4
1116 #define MIN_LENGTH_BYTES 1
1117
1118 void eDVBCAService::socketCB(int what)
1119 {
1120         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1121         {
1122                 char msgbuffer[4096];
1123                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1124                 if (length == -1)
1125                 {
1126                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1127                         {
1128                                 eDebug("[eSocketMMIHandler] read (%m)");
1129                                 what |= eSocketNotifier::Error;
1130                         }
1131                 } else if (length == 0)
1132                 {
1133                         what |= eSocketNotifier::Hungup;
1134                 } else
1135                 {
1136                         int len = length;
1137                         unsigned char *data = (unsigned char*)msgbuffer;
1138                         int clear = 1;
1139         // If a new message starts, then the previous message
1140         // should already have been processed. Otherwise the
1141         // previous message was incomplete and should therefore
1142         // be deleted.
1143                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1144                                 clear = 0;
1145                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1146                                 clear = 0;
1147                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1148                                 clear = 0;
1149                         if (clear)
1150                         {
1151                                 m_buffer.clear();
1152 #ifdef CA_REPLY_DEBUG
1153                                 eDebug("clear buffer");
1154 #endif
1155                         }
1156 #ifdef CA_REPLY_DEBUG
1157                         eDebug("Put to buffer:");
1158                         for (int i=0; i < len; ++i)
1159                                 eDebugNoNewLine("%02x ", data[i]);
1160                         eDebug("\n--------");
1161 #endif
1162                         m_buffer.write( data, len );
1163
1164                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1165                         {
1166                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1167                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1168                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1169                                 {
1170                                         m_buffer.skip(1);
1171 #ifdef CA_REPLY_DEBUG
1172                                         eDebug("skip %02x", tmp[0]);
1173 #endif
1174                                         continue;
1175                                 }
1176                                 if (tmp[3] & 0x80)
1177                                 {
1178                                         int peekLength = (tmp[3] & 0x7f) + 4;
1179                                         if (m_buffer.size() < peekLength)
1180                                                 continue;
1181                                         m_buffer.peek(tmp, peekLength);
1182                                 }
1183                                 int size=0;
1184                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1185                                 int messageLength = 3+LengthBytes+size;
1186                                 if ( m_buffer.size() >= messageLength )
1187                                 {
1188                                         unsigned char dest[messageLength];
1189                                         m_buffer.read(dest, messageLength);
1190 #ifdef CA_REPLY_DEBUG
1191                                         eDebug("dump ca reply:");
1192                                         for (int i=0; i < messageLength; ++i)
1193                                                 eDebugNoNewLine("%02x ", dest[i]);
1194                                         eDebug("\n--------");
1195 #endif
1196 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1197                                 }
1198                         }
1199                 }
1200         }
1201         if (what & eSocketNotifier::Hungup) {
1202                 /*eDebug("[eDVBCAService] connection closed")*/;
1203                 m_sendstate=1;
1204                 sendCAPMT();
1205         }
1206         if (what & eSocketNotifier::Error)
1207                 eDebug("[eDVBCAService] connection error");
1208 }
1209
1210 void eDVBCAService::Connect()
1211 {
1212         m_sn=0;
1213         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1214         m_servaddr.sun_family = AF_UNIX;
1215         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1216         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1217         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1218         if (m_sock != -1)
1219         {
1220                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1221                 {
1222                         int val=1;
1223                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1224                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1225                         m_sn = eSocketNotifier::create(eApp, m_sock,
1226                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1227                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1228
1229                 }
1230 //              else
1231 //                      eDebug("[eDVBCAService] connect failed %m");
1232         }
1233         else
1234                 eDebug("[eDVBCAService] create socket failed %m");
1235 }
1236
1237 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1238 {
1239         if (!ptr)
1240                 return;
1241
1242         eDVBTableSpec table_spec;
1243         ptr->getSpec(table_spec);
1244
1245         int pmtpid = table_spec.pid,
1246                 pmt_version = table_spec.version;
1247
1248         uint8_t demux_mask = 0;
1249         int data_demux = -1;
1250
1251         int iter=0, max_demux_slots = sizeof(m_used_demux);
1252         while ( iter < max_demux_slots )
1253         {
1254                 if ( m_used_demux[iter] != 0xFF )
1255                 {
1256                         if ( m_used_demux[iter] > data_demux )
1257                                 data_demux = m_used_demux[iter];
1258                         demux_mask |= (1 << m_used_demux[iter]);
1259                 }
1260                 ++iter;
1261         }
1262
1263         if ( data_demux == -1 )
1264         {
1265                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1266                 return;
1267         }
1268
1269         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1270
1271         unsigned int build_hash = ( pmtpid << 16);
1272         build_hash |= (demux_mask << 8);
1273         build_hash |= (pmt_version&0xFF);
1274
1275         if ( build_hash == m_prev_build_hash )
1276         {
1277                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1278                 return;
1279         }
1280
1281         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1282         if ( i != ptr->getSections().end() )
1283         {
1284                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1285
1286                 while( i != ptr->getSections().end() )
1287                 {
1288 //                      eDebug("append");
1289                         capmt.append(*i++);
1290                 }
1291
1292                 // add our private descriptors to capmt
1293                 uint8_t tmp[10];
1294
1295                 tmp[0]=0x84;  // pmt pid
1296                 tmp[1]=0x02;
1297                 tmp[2]=pmtpid>>8;
1298                 tmp[3]=pmtpid&0xFF;
1299                 capmt.injectDescriptor(tmp, false);
1300
1301                 tmp[0] = 0x82; // demux
1302                 tmp[1] = 0x02;
1303                 tmp[2] = demux_mask;    // descramble bitmask
1304                 tmp[3] = data_demux&0xFF; // read section data from demux number
1305                 capmt.injectDescriptor(tmp, false);
1306
1307                 tmp[0] = 0x81; // dvbnamespace
1308                 tmp[1] = 0x08;
1309                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1310                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1311                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1312                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1313                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1314                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1315                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1316                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1317                 capmt.injectDescriptor(tmp, false);
1318
1319                 capmt.writeToBuffer(m_capmt);
1320         }
1321
1322         m_prev_build_hash = build_hash;
1323
1324         if ( m_sendstate != 0xFFFFFFFF )
1325                 m_sendstate=0;
1326         sendCAPMT();
1327 }
1328
1329 void eDVBCAService::sendCAPMT()
1330 {
1331         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1332         {
1333                 ::close(m_sock);
1334                 Connect();
1335         }
1336
1337         int wp=0;
1338         if ( m_capmt[3] & 0x80 )
1339         {
1340                 int i=0;
1341                 int lenbytes = m_capmt[3] & ~0x80;
1342                 while(i < lenbytes)
1343                         wp = (wp << 8) | m_capmt[4 + i++];
1344                 wp+=4;
1345                 wp+=lenbytes;
1346         }
1347         else
1348         {
1349                 wp = m_capmt[3];
1350                 wp+=4;
1351         }
1352
1353         if ( write(m_sock, m_capmt, wp) == wp )
1354         {
1355                 m_sendstate=0xFFFFFFFF;
1356                 eDebug("[eDVBCAService] send %d bytes",wp);
1357                 eDVBChannelID chid;
1358                 m_service.getChannelID(chid);
1359                 channel_data *data = getChannelData(chid);
1360                 if (data)
1361                 {
1362                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1363                         data->m_dataDemux = m_capmt[24+lenbytes];
1364                 }
1365 #if 1
1366                 for(int i=0;i<wp;i++)
1367                         eDebugNoNewLine("%02x ", m_capmt[i]);
1368                 eDebug("");
1369 #endif
1370         }
1371         else
1372         {
1373                 switch(m_sendstate)
1374                 {
1375                         case 0xFFFFFFFF:
1376                                 ++m_sendstate;
1377                                 m_retryTimer->start(0,true);
1378 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1379                                 break;
1380                         default:
1381                                 m_retryTimer->start(5000,true);
1382 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1383                                 break;
1384                 }
1385                 ++m_sendstate;
1386         }
1387 }
1388
1389 static PyObject *createTuple(int pid, const char *type)
1390 {
1391         PyObject *r = PyTuple_New(2);
1392         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1393         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1394         return r;
1395 }
1396
1397 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1398 {
1399         PyList_Append(list, item);
1400         Py_DECREF(item);
1401 }
1402
1403 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1404
1405 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1406 {
1407         ePyObject r = PyDict_New();
1408         ePyObject l = PyList_New(0);
1409
1410         PyList_AppendSteal(l, createTuple(0, "pat"));
1411
1412         if (pmtPid != -1)
1413                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1414
1415         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1416                         i(videoStreams.begin());
1417                         i != videoStreams.end(); ++i)
1418                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1419
1420         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1421                         i(audioStreams.begin());
1422                         i != audioStreams.end(); ++i)
1423                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1424
1425         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1426                         i(subtitleStreams.begin());
1427                         i != subtitleStreams.end(); ++i)
1428                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1429
1430         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1431
1432         if (textPid != -1)
1433                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1434
1435         PutToDict(r, "pids", l);
1436
1437         return r;
1438 }