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), m_no_pat_entry_delay(eTimer::create())
  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         CONNECT(m_no_pat_entry_delay->timeout, eDVBServicePMTHandler::sendEventNoPatEntry);
  31 }
  32
  33 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  34 {
  35         free();
  36 }
  37
  38 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  39 {
  40         int state;
  41         channel->getState(state);
  42
  43         if ((m_last_channel_state != iDVBChannel::state_ok)
  44                 && (state == iDVBChannel::state_ok) && (!m_demux))
  45         {
  46                 if (m_channel)
  47                 {
  48                         if (m_pvr_demux_tmp)
  49                         {
  50                                 m_demux = m_pvr_demux_tmp;
  51                                 m_pvr_demux_tmp = NULL;
  52                         }
  53                         else if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  54                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  55                 }
  56
  57                 serviceEvent(eventTuned);
  58
  59                 if (m_demux)
  60                 {
  61                         eDebug("ok ... now we start!!");
  62
  63                         if (!m_service || m_service->usePMT())
  64                         {
  65                                 if (m_pmt_pid == -1)
  66                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  67                                 else
  68                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  69                         }
  70
  71                         if ( m_service && !m_service->cacheEmpty() )
  72                                 serviceEvent(eventNewProgramInfo);
  73                 }
  74         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  75                         (state == iDVBChannel::state_failed))
  76         {
  77                 eDebug("tune failed.");
  78                 serviceEvent(eventTuneFailed);
  79         }
  80 }
  81
  82 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  83 {
  84         switch (event)
  85         {
  86         case iDVBChannel::evtPreStart:
  87                 serviceEvent(eventPreStart);
  88                 break;
  89         case iDVBChannel::evtEOF:
  90                 serviceEvent(eventEOF);
  91                 break;
  92         case iDVBChannel::evtSOF:
  93                 serviceEvent(eventSOF);
  94                 break;
  95         default:
  96                 break;
  97         }
  98 }
  99
 100 void eDVBServicePMTHandler::PMTready(int error)
 101 {
 102         if (error)
 103                 serviceEvent(eventNoPMT);
 104         else
 105         {
 106                 m_have_cached_program = false;
 107                 serviceEvent(eventNewProgramInfo);
 108                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
 109                 {
 110                         eEPGCache::getInstance()->PMTready(this);
 111                         if(!m_ca_servicePtr)
 112                         {
 113                                 int demuxes[2] = {0,0};
 114                                 uint8_t tmp;
 115                                 m_demux->getCADemuxID(tmp);
 116                                 demuxes[0]=tmp;
 117                                 if (m_decode_demux_num != 0xFF)
 118                                         demuxes[1]=m_decode_demux_num;
 119                                 else
 120                                         demuxes[1]=demuxes[0];
 121                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 122                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 123                         }
 124                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 125                 }
 126                 if (m_ca_servicePtr)
 127                 {
 128                         ePtr<eTable<ProgramMapSection> > ptr;
 129                         if (!m_PMT.getCurrent(ptr))
 130                                 m_ca_servicePtr->buildCAPMT(ptr);
 131                         else
 132                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 133                 }
 134         }
 135 }
 136
 137 void eDVBServicePMTHandler::sendEventNoPatEntry()
 138 {
 139         serviceEvent(eventNoPATEntry);
 140 }
 141
 142 void eDVBServicePMTHandler::PATready(int)
 143 {
 144         eDebug("PATready");
 145         ePtr<eTable<ProgramAssociationSection> > ptr;
 146         if (!m_PAT.getCurrent(ptr))
 147         {
 148                 int service_id_single = -1;
 149                 int pmtpid_single = -1;
 150                 int pmtpid = -1;
 151                 int cnt=0;
 152                 std::vector<ProgramAssociationSection*>::const_iterator i;
 153                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 154                 {
 155                         const ProgramAssociationSection &pat = **i;
 156                         ProgramAssociationConstIterator program;
 157                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 158                         {
 159                                 ++cnt;
 160                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 161                                         pmtpid = (*program)->getProgramMapPid();
 162                                 if (++cnt == 1 && pmtpid_single == -1 && pmtpid == -1)
 163                                 {
 164                                         pmtpid_single = (*program)->getProgramMapPid();
 165                                         service_id_single = (*program)->getProgramNumber();
 166                                 }
 167                                 else
 168                                         pmtpid_single = service_id_single = -1;
 169                         }
 170                 }
 171                 if (pmtpid_single != -1) // only one PAT entry .. and not valid pmtpid found
 172                 {
 173                         eDebug("use single pat entry!");
 174                         m_reference.setServiceID(eServiceID(service_id_single));
 175                         pmtpid = pmtpid_single;
 176                 }
 177                 if (pmtpid == -1) {
 178                         eDebug("no PAT entry found.. start delay");
 179                         m_no_pat_entry_delay->start(1000, true);
 180                 }
 181                 else {
 182                         eDebug("use pmtpid %04x for service_id %04x", pmtpid, m_reference.getServiceID().get());
 183                         m_no_pat_entry_delay->stop();
 184                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 185                 }
 186         } else
 187                 serviceEvent(eventNoPAT);
 188 }
 189
 190 PyObject *eDVBServicePMTHandler::getCaIds(bool pair)
 191 {
 192         ePyObject ret;
 193
 194         program prog;
 195
 196         if ( !getProgramInfo(prog) )
 197         {
 198                 if (pair)
 199                 {
 200                         int cnt=prog.caids.size();
 201                         if (cnt)
 202                         {
 203                                 ret=PyList_New(cnt);
 204                                 std::list<program::capid_pair>::iterator it(prog.caids.begin());
 205                                 while(cnt--)
 206                                 {
 207                                         ePyObject tuple = PyTuple_New(2);
 208                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(it->caid));
 209                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong((it++)->capid));
 210                                         PyList_SET_ITEM(ret, cnt, tuple);
 211                                 }
 212                         }
 213                 }
 214                 else
 215                 {
 216                         std::set<program::capid_pair> set(prog.caids.begin(), prog.caids.end());
 217                         std::set<program::capid_pair>::iterator it(set.begin());
 218                         int cnt=set.size();
 219                         ret=PyList_New(cnt);
 220                         while(cnt--)
 221                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong((it++)->caid));
 222                 }
 223         }
 224
 225         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 226 }
 227
 228 int eDVBServicePMTHandler::getProgramInfo(program &program)
 229 {
 230         ePtr<eTable<ProgramMapSection> > ptr;
 231         int cached_apid_ac3 = -1;
 232         int cached_apid_mpeg = -1;
 233         int cached_vpid = -1;
 234         int cached_tpid = -1;
 235         int ret = -1;
 236
 237         program.videoStreams.clear();
 238         program.audioStreams.clear();
 239         program.pcrPid = -1;
 240         program.pmtPid = -1;
 241         program.textPid = -1;
 242
 243         int first_ac3 = -1;
 244         program.defaultAudioStream = 0;
 245         audioStream *prev_audio = 0;
 246
 247         if ( m_service && !m_service->cacheEmpty() )
 248         {
 249                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 250                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 251                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 252                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 253         }
 254
 255         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 256         {
 257                 if (m_have_cached_program)
 258                 {
 259                         program = m_cached_program;
 260                         ret = 0;
 261                 }
 262                 else
 263                 {
 264                         eDVBTableSpec table_spec;
 265                         ptr->getSpec(table_spec);
 266                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 267                         std::vector<ProgramMapSection*>::const_iterator i;
 268                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 269                         {
 270                                 const ProgramMapSection &pmt = **i;
 271                                 int is_hdmv = 0;
 272
 273                                 program.pcrPid = pmt.getPcrPid();
 274
 275                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 276                                         desc != pmt.getDescriptors()->end(); ++desc)
 277                                 {
 278                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 279                                         {
 280                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 281                                                 program::capid_pair pair;
 282                                                 pair.caid = descr->getCaSystemId();
 283                                                 pair.capid = descr->getCaPid();
 284                                                 program.caids.push_back(pair);
 285                                         }
 286                                         else if ((*desc)->getTag() == REGISTRATION_DESCRIPTOR)
 287                                         {
 288                                                 RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 289                                                 if (d->getFormatIdentifier() == 0x48444d56) // HDMV
 290                                                         is_hdmv = 1;
 291                                         }
 292                                 }
 293
 294                                 ElementaryStreamInfoConstIterator es;
 295                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 296                                 {
 297                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 298                                         int streamtype = (*es)->getType();
 299                                         videoStream video;
 300                                         audioStream audio;
 301                                         audio.component_tag=video.component_tag=-1;
 302                                         video.type = videoStream::vtMPEG2;
 303                                         audio.type = audioStream::atMPEG;
 304                                         audio.rdsPid = -1;
 305
 306                                         switch (streamtype)
 307                                         {
 308                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 309                                                 video.type = videoStream::vtMPEG4_H264;
 310                                                 isvideo = 1;
 311                                                 //break; fall through !!!
 312                                         case 0x10: // MPEG 4 Part 2
 313                                                 if (!isvideo)
 314                                                 {
 315                                                         video.type = videoStream::vtMPEG4_Part2;
 316                                                         isvideo = 1;
 317                                                 }
 318                                                 //break; fall through !!!
 319                                         case 0x01: // MPEG 1 video
 320                                                 if (!isvideo)
 321                                                         video.type = videoStream::vtMPEG1;
 322                                                 //break; fall through !!!
 323                                         case 0x02: // MPEG 2 video
 324                                                 isvideo = 1;
 325                                                 forced_video = 1;
 326                                                 //break; fall through !!!
 327                                         case 0x03: // MPEG 1 audio
 328                                         case 0x04: // MPEG 2 audio:
 329                                                 if (!isvideo) {
 330                                                         isaudio = 1;
 331                                                         forced_audio = 1;
 332                                                 }
 333                                                 //break; fall through !!!
 334                                         case 0x0f: // MPEG 2 AAC
 335                                                 if (!isvideo && !isaudio)
 336                                                 {
 337                                                         isaudio = 1;
 338                                                         audio.type = audioStream::atAAC;
 339                                                         forced_audio = 1;
 340                                                 }
 341                                                 //break; fall through !!!
 342                                         case 0x11: // MPEG 4 AAC
 343                                                 if (!isvideo && !isaudio)
 344                                                 {
 345                                                         isaudio = 1;
 346                                                         audio.type = audioStream::atAACHE;
 347                                                         forced_audio = 1;
 348                                                 }
 349                                         case 0x80: // user private ... but bluray LPCM
 350                                         case 0xA0: // bluray secondary LPCM
 351                                                 if (!isvideo && !isaudio && is_hdmv)
 352                                                 {
 353                                                         isaudio = 1;
 354                                                         audio.type = audioStream::atLPCM;
 355                                                 }
 356                                         case 0x81: // user private ... but bluray AC3
 357                                         case 0xA1: // bluray secondary AC3
 358                                                 if (!isvideo && !isaudio && is_hdmv)
 359                                                 {
 360                                                         isaudio = 1;
 361                                                         audio.type = audioStream::atAC3;
 362                                                 }
 363                                         case 0x82: // bluray DTS (dvb user private...)
 364                                         case 0xA2: // bluray secondary DTS
 365                                                 if (!isvideo && !isaudio && is_hdmv)
 366                                                 {
 367                                                         isaudio = 1;
 368                                                         audio.type = audioStream::atDTS;
 369                                                 }
 370                                         case 0x86: // bluray DTS-HD (dvb user private...)
 371                                         case 0xA6: // bluray secondary DTS-HD
 372                                                 if (!isvideo && !isaudio && is_hdmv)
 373                                                 {
 374                                                         isaudio = 1;
 375                                                         audio.type = audioStream::atDTSHD;
 376                                                 }
 377                                         case 0x06: // PES Private
 378                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 379                                         {
 380                                                 int num_descriptors = 0;
 381                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 382                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 383                                                 {
 384                                                         uint8_t tag = (*desc)->getTag();
 385                                                         /* check descriptors to get the exakt stream type. */
 386                                                         ++num_descriptors;
 387                                                         if (!forced_video && !forced_audio)
 388                                                         {
 389                                                                 switch (tag)
 390                                                                 {
 391                                                                 case AUDIO_STREAM_DESCRIPTOR:
 392                                                                         isaudio = 1;
 393                                                                         break;
 394                                                                 case VIDEO_STREAM_DESCRIPTOR:
 395                                                                 {
 396                                                                         isvideo = 1;
 397                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 398                                                                         if (d->getMpeg1OnlyFlag())
 399                                                                                 video.type = videoStream::vtMPEG1;
 400                                                                         break;
 401                                                                 }
 402                                                                 case SUBTITLING_DESCRIPTOR:
 403                                                                 {
 404                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 405                                                                         const SubtitlingList *list = d->getSubtitlings();
 406                                                                         subtitleStream s;
 407                                                                         s.pid = (*es)->getPid();
 408                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 409                                                                         {
 410                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 411                                                                                 switch(s.subtitling_type)
 412                                                                                 {
 413                                                                                 case 0x10 ... 0x13:
 414                                                                                 case 0x20 ... 0x23: // dvb subtitles
 415                                                                                         break;
 416                                                                                 default:
 417                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 418                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 419                                                                                         s.subtitling_type = 0x10;
 420                                                                                         break;
 421                                                                                 }
 422                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 423                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 424                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 425 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 426 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 427                                                                                 issubtitle=1;
 428                                                                                 program.subtitleStreams.push_back(s);
 429                                                                         }
 430                                                                         break;
 431                                                                 }
 432                                                                 case TELETEXT_DESCRIPTOR:
 433                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 434                                                                         {
 435                                                                                 subtitleStream s;
 436                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 437                                                                                 s.pid = program.textPid = (*es)->getPid();
 438                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 439                                                                                 isteletext = 1;
 440                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 441                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 442                                                                                 {
 443                                                                                         switch((*it)->getTeletextType())
 444                                                                                         {
 445                                                                                         case 0x02: // Teletext subtitle page
 446                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 447                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 448                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 449                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 450 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 451 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 452                                                                                                 program.subtitleStreams.push_back(s);
 453                                                                                                 issubtitle=1;
 454                                                                                         default:
 455                                                                                                 break;
 456                                                                                         }
 457                                                                                 }
 458                                                                         }
 459                                                                         break;
 460                                                                 case DTS_DESCRIPTOR:
 461                                                                         isaudio = 1;
 462                                                                         audio.type = audioStream::atDTS;
 463                                                                         break;
 464                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 465                                                                         isaudio = 1;
 466                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 467                                                                         break;
 468                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 469                                                                 case AAC_DESCRIPTOR:
 470                                                                         isaudio = 1;
 471                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 472                                                                         break;
 473                                                                 case AC3_DESCRIPTOR:
 474                                                                 {
 475                                                                         Ac3Descriptor *ac = (Ac3Descriptor*)(*desc);
 476                                                                         eDebug("ac->getAc3TypeFlag() : 0x%x", ac->getAc3TypeFlag());
 477
 478                                                                         isaudio = 1;
 479                                                                         audio.type = audioStream::atAC3;
 480
 481                                                                         if(ac->getAc3TypeFlag())
 482                                                                         {
 483
 484                                                                                 uint8_t ac3type = ac->getAc3Type();
 485                                                                                 eDebug("ac->getAc3Type() : 0x%x", ac->getAc3Type());
 486                                                                                 if( ( ac3type & 0x80 ) && ( (ac3type<<5) == 0xA0 || (ac3type<<5) == 0xC0) ) // From EN-300 468 v1.7.1 Table D.1
 487                                                                                         audio.type = audioStream::atDDP;
 488                                                                         }
 489
 490                                                                         break;
 491                                                                 }
 492                                                                 case ENHANCED_AC3_DESCRIPTOR:
 493                                                                         eDebug("ENHANCED_AC3_DESCRIPTOR");
 494                                                                         isaudio = 1;
 495                                                                         audio.type = audioStream::atDDP;
 496                                                                         break;
 497
 498
 499                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 500                                                                 {
 501                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 502                                                                         switch (d->getFormatIdentifier())
 503                                                                         {
 504                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 505                                                                                 isaudio = 1;
 506                                                                                 audio.type = audioStream::atDTS;
 507                                                                                 break;
 508                                                                         case 0x41432d33: // == 'AC-3'
 509                                                                                 isaudio = 1;
 510                                                                                 audio.type = audioStream::atAC3;
 511                                                                                 break;
 512                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 513                                                                                 isaudio = 1;
 514                                                                                 audio.type = audioStream::atLPCM;
 515                                                                                 break;
 516                                                                         case 0x56432d31: // == 'VC-1'
 517                                                                         {
 518                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 519                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 520                                                                                 {
 521                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 522                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 523                                                                                         else
 524                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 525                                                                                         isvideo = 1;
 526                                                                                 }
 527                                                                         }
 528                                                                         default:
 529                                                                                 break;
 530                                                                         }
 531                                                                         break;
 532                                                                 }
 533                                                                 case 0x28: // TS_PSI_DT_AVC
 534                                                                         isvideo = 1;
 535                                                                         video.type = videoStream::vtMPEG4_H264;
 536                                                                         break;
 537                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 538                                                                         isvideo = 1;
 539                                                                         video.type = videoStream::vtMPEG4_Part2;
 540                                                                         break;
 541                                                                 default:
 542                                                                         break;
 543                                                                 }
 544                                                         }
 545                                                         switch (tag)
 546                                                         {
 547                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 548                                                                 if (!isvideo)
 549                                                                 {
 550                                                                         int cnt=0;
 551                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 552                                                                                 /* use last language code */
 553                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 554                                                                         {
 555                                                                                 if (cnt == 0)
 556                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 557                                                                                 else
 558                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 559                                                                         }
 560                                                                 }
 561                                                                 break;
 562                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 563                                                                 audio.component_tag =
 564                                                                         video.component_tag =
 565                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 566                                                                 break;
 567                                                         case CA_DESCRIPTOR:
 568                                                         {
 569                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 570                                                                 program::capid_pair pair;
 571                                                                 pair.caid = descr->getCaSystemId();
 572                                                                 pair.capid = descr->getCaPid();
 573                                                                 program.caids.push_back(pair);
 574                                                                 break;
 575                                                         }
 576                                                         default:
 577                                                                 break;
 578                                                         }
 579                                                 }
 580                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 581                                                 {
 582                                                         prev_audio->rdsPid = (*es)->getPid();
 583                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 584                                                 }
 585                                                 prev_audio = 0;
 586                                         }
 587                                         default:
 588                                                 break;
 589                                         }
 590                                         if (isteletext && (isaudio || isvideo))
 591                                         {
 592                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 593                                                 continue; // continue with next PID
 594                                         }
 595                                         else if (issubtitle && (isaudio || isvideo))
 596                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 597                                         else if (isaudio && isvideo)
 598                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 599                                         if (issubtitle) // continue with next PID
 600                                                 continue;
 601                                         else if (isvideo)
 602                                         {
 603                                                 video.pid = (*es)->getPid();
 604                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 605                                                 {
 606                                                         program.videoStreams.push_back(program.videoStreams[0]);
 607                                                         program.videoStreams[0] = video;
 608                                                 }
 609                                                 else
 610                                                         program.videoStreams.push_back(video);
 611                                         }
 612                                         else if (isaudio)
 613                                         {
 614                                                 audio.pid = (*es)->getPid();
 615
 616                                                         /* if we find the cached pids, this will be our default stream */
 617                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 618                                                         program.defaultAudioStream = program.audioStreams.size();
 619
 620                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 621                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 622                                                         first_ac3 = program.audioStreams.size();
 623
 624                                                 program.audioStreams.push_back(audio);
 625                                                 prev_audio = &program.audioStreams.back();
 626                                         }
 627                                         else
 628                                                 continue;
 629                                 }
 630                         }
 631                         ret = 0;
 632
 633                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 634                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 635                            (note: if an ac3 audio stream was selected before, this will be also stored
 636                            in 'fisrt_ac3', so we don't need to worry. */
 637                         bool defaultac3 = false;
 638                         std::string default_ac3;
 639
 640                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 641                                 defaultac3 = default_ac3 == "True";
 642
 643                         if (defaultac3 && (first_ac3 != -1))
 644                                 program.defaultAudioStream = first_ac3;
 645
 646                         m_cached_program = program;
 647                         m_have_cached_program = true;
 648                 }
 649         } else if ( m_service && !m_service->cacheEmpty() )
 650         {
 651                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 652                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 653                         cnt=0;
 654                 if ( vpidtype == -1 )
 655                         vpidtype = videoStream::vtMPEG2;
 656                 if ( cached_vpid != -1 )
 657                 {
 658                         videoStream s;
 659                         s.pid = cached_vpid;
 660                         s.type = vpidtype;
 661                         program.videoStreams.push_back(s);
 662                         ++cnt;
 663                 }
 664                 if ( cached_apid_ac3 != -1 )
 665                 {
 666                         audioStream s;
 667                         s.type = audioStream::atAC3;
 668                         s.pid = cached_apid_ac3;
 669                         s.rdsPid = -1;
 670                         program.audioStreams.push_back(s);
 671                         ++cnt;
 672                 }
 673                 if ( cached_apid_mpeg != -1 )
 674                 {
 675                         audioStream s;
 676                         s.type = audioStream::atMPEG;
 677                         s.pid = cached_apid_mpeg;
 678                         s.rdsPid = -1;
 679                         program.audioStreams.push_back(s);
 680                         ++cnt;
 681                 }
 682                 if ( cached_pcrpid != -1 )
 683                 {
 684                         ++cnt;
 685                         program.pcrPid = cached_pcrpid;
 686                 }
 687                 if ( cached_tpid != -1 )
 688                 {
 689                         ++cnt;
 690                         program.textPid = cached_tpid;
 691                 }
 692                 CAID_LIST &caids = m_service->m_ca;
 693                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it) {
 694                         program::capid_pair pair;
 695                         pair.caid = *it;
 696                         pair.capid = -1; // not known yet
 697                         program.caids.push_back(pair);
 698                 }
 699                 if ( cnt )
 700                         ret = 0;
 701         }
 702         return ret;
 703 }
 704
 705 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 706 {
 707         channel = m_channel;
 708         if (channel)
 709                 return 0;
 710         else
 711                 return -1;
 712 }
 713
 714 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 715 {
 716         demux = m_demux;
 717         if (demux)
 718                 return 0;
 719         else
 720                 return -1;
 721 }
 722
 723 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 724 {
 725         int ret=0;
 726                 /* if we're using the decoding demux as data source
 727                    (for example in pvr playbacks), return that one. */
 728         if (m_use_decode_demux)
 729         {
 730                 demux = m_demux;
 731                 return ret;
 732         }
 733
 734         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 735
 736         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 737         if (!ret)
 738                 demux->getCADemuxID(m_decode_demux_num);
 739
 740         return ret;
 741 }
 742
 743 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 744 {
 745         pvr_channel = m_pvr_channel;
 746         if (pvr_channel)
 747                 return 0;
 748         else
 749                 return -1;
 750 }
 751
 752 void eDVBServicePMTHandler::SDTScanEvent(int event)
 753 {
 754         switch (event)
 755         {
 756                 case eDVBScan::evtFinish:
 757                 {
 758                         ePtr<iDVBChannelList> db;
 759                         if (m_resourceManager->getChannelList(db) != 0)
 760                                 eDebug("no channel list");
 761                         else
 762                         {
 763                                 eDVBChannelID chid;
 764                                 m_reference.getChannelID(chid);
 765                                 if (chid == m_dvb_scan->getCurrentChannelID())
 766                                 {
 767                                         m_dvb_scan->insertInto(db, true);
 768                                         eDebug("sdt update done!");
 769                                 }
 770                                 else
 771                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 772                         }
 773                         break;
 774                 }
 775
 776                 default:
 777                         break;
 778         }
 779 }
 780
 781 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 782 {
 783         ePtr<iTsSource> s;
 784         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 785 }
 786
 787 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service)
 788 {
 789         RESULT res=0;
 790         m_reference = ref;
 791         m_use_decode_demux = use_decode_demux;
 792         m_no_pat_entry_delay->stop();
 793
 794                 /* 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 */
 795         m_service = service;
 796
 797                 /* is this a normal (non PVR) channel? */
 798         if (ref.path.empty())
 799         {
 800                 eDVBChannelID chid;
 801                 ref.getChannelID(chid);
 802                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 803                 if (!simulate)
 804                         eDebug("allocate Channel: res %d", res);
 805
 806                 ePtr<iDVBChannelList> db;
 807                 if (!m_resourceManager->getChannelList(db))
 808                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 809
 810                 if (!res && !simulate)
 811                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 812         } else if (!simulate) // no simulation of playback services
 813         {
 814                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 815                 {
 816                         eDVBTSTools tstools;
 817                         bool b = source || !tstools.openFile(ref.path.c_str(), 1);
 818                         eWarning("no .meta file found, trying to find PMT pid");
 819                         if (source)
 820                                 tstools.setSource(source, NULL);
 821                         if (b)
 822                         {
 823                                 int service_id, pmt_pid;
 824                                 if (!tstools.findPMT(pmt_pid, service_id))
 825                                 {
 826                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 827                                         m_reference.setServiceID(service_id);
 828                                         m_pmt_pid = pmt_pid;
 829                                 }
 830                         }
 831                         else
 832                                 eWarning("no valid source to find PMT pid!");
 833                 }
 834                 eDebug("alloc PVR");
 835                         /* allocate PVR */
 836                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 837                 if (res)
 838                         eDebug("allocatePVRChannel failed!\n");
 839                 m_channel = m_pvr_channel;
 840         }
 841
 842         if (!simulate)
 843         {
 844                 if (m_channel)
 845                 {
 846                         m_channel->connectStateChange(
 847                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 848                                 m_channelStateChanged_connection);
 849                         m_last_channel_state = -1;
 850                         channelStateChanged(m_channel);
 851
 852                         m_channel->connectEvent(
 853                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 854                                 m_channelEvent_connection);
 855
 856                         if (ref.path.empty())
 857                         {
 858                                 m_dvb_scan = 0;
 859                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 860                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 861                         }
 862                 } else
 863                 {
 864                         if (res == eDVBResourceManager::errAllSourcesBusy)
 865                                 serviceEvent(eventNoResources);
 866                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 867                                 serviceEvent(eventMisconfiguration);
 868                         return res;
 869                 }
 870
 871                 if (m_pvr_channel)
 872                 {
 873                         m_pvr_channel->setCueSheet(cue);
 874
 875                         if (m_pvr_channel->getDemux(m_pvr_demux_tmp, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
 876                                 eDebug("Allocating %s-decoding a demux for PVR channel failed.", m_use_decode_demux ? "" : "non-");
 877                         else if (source)
 878                                 m_pvr_channel->playSource(source, streaminfo_file);
 879                         else
 880                                 m_pvr_channel->playFile(ref.path.c_str());
 881                 }
 882         }
 883
 884         return res;
 885 }
 886
 887 void eDVBServicePMTHandler::free()
 888 {
 889         m_dvb_scan = 0;
 890
 891         if (m_ca_servicePtr)
 892         {
 893                 int demuxes[2] = {0,0};
 894                 uint8_t tmp;
 895                 m_demux->getCADemuxID(tmp);
 896                 demuxes[0]=tmp;
 897                 if (m_decode_demux_num != 0xFF)
 898                         demuxes[1]=m_decode_demux_num;
 899                 else
 900                         demuxes[1]=demuxes[0];
 901                 ePtr<eTable<ProgramMapSection> > ptr;
 902                 m_PMT.getCurrent(ptr);
 903                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 904                 m_ca_servicePtr = 0;
 905         }
 906
 907         if (m_channel)
 908                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 909
 910         if (m_pvr_channel)
 911         {
 912                 m_pvr_channel->stopFile();
 913                 m_pvr_channel->setCueSheet(0);
 914         }
 915
 916         m_PMT.stop();
 917         m_PAT.stop();
 918         m_service = 0;
 919         m_channel = 0;
 920         m_pvr_channel = 0;
 921         m_demux = 0;
 922 }
 923
 924 CAServiceMap eDVBCAService::exist;
 925 ChannelMap eDVBCAService::exist_channels;
 926 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 927
 928 eDVBCAService::eDVBCAService()
 929         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 930 {
 931         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 932         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 933         Connect();
 934 }
 935
 936 eDVBCAService::~eDVBCAService()
 937 {
 938         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 939         ::close(m_sock);
 940 }
 941
 942 // begin static methods
 943 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 944 {
 945         CAServiceMap::iterator it = exist.find(ref);
 946         if ( it != exist.end() )
 947                 caservice = it->second;
 948         else
 949         {
 950                 caservice = (exist[ref]=new eDVBCAService());
 951                 caservice->m_service = ref;
 952                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 953         }
 954
 955         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 956         for (int i=0; i < loops; ++i)
 957         {
 958 // search free demux entry
 959                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 960
 961                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 962                         ++iter;
 963
 964                 if ( iter < max_demux_slots )
 965                 {
 966                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 967                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 968                 }
 969                 else
 970                 {
 971                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 972                         return -1;
 973                 }
 974         }
 975         return 0;
 976 }
 977
 978 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 979 {
 980         CAServiceMap::iterator it = exist.find(ref);
 981         if ( it == exist.end() )
 982         {
 983                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 984                 return -1;
 985         }
 986         else
 987         {
 988                 eDVBCAService *caservice = it->second;
 989                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 990                 for (int i=0; i < loops; ++i)
 991                 {
 992                         bool freed = false;
 993                         int iter = 0,
 994                                 used_demux_slots = 0,
 995                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 996                         while ( iter < max_demux_slots )
 997                         {
 998                                 if ( caservice->m_used_demux[iter] != 0xFF )
 999                                 {
1000                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
1001                                         {
1002                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
1003                                                 caservice->m_used_demux[iter] = 0xFF;
1004                                                 freed=true;
1005                                         }
1006                                         else
1007                                                 ++used_demux_slots;
1008                                 }
1009                                 ++iter;
1010                         }
1011                         if (!freed)
1012                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
1013                         if (i || loops == 1)
1014                         {
1015                                 if (!used_demux_slots)  // no more used.. so we remove it
1016                                 {
1017                                         delete it->second;
1018                                         exist.erase(it);
1019                                 }
1020                                 else
1021                                 {
1022                                         if (ptr)
1023                                                 it->second->buildCAPMT(ptr);
1024                                         else
1025                                                 eDebug("[eDVBCAService] can not send updated demux info");
1026                                 }
1027                         }
1028                 }
1029         }
1030         return 0;
1031 }
1032
1033 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
1034 {
1035         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
1036 }
1037
1038 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
1039 {
1040         if ( chan )
1041         {
1042                 eDebug("[eDVBCAService] new channel %p!", chan);
1043                 channel_data *data = new channel_data();
1044                 data->m_channel = chan;
1045                 data->m_prevChannelState = -1;
1046                 data->m_dataDemux = -1;
1047                 exist_channels[chan] = data;
1048                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
1049         }
1050 }
1051
1052 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
1053 {
1054         ChannelMap::iterator it =
1055                 exist_channels.find(chan);
1056         if ( it != exist_channels.end() )
1057         {
1058                 int state=0;
1059                 chan->getState(state);
1060                 if ( it->second->m_prevChannelState != state )
1061                 {
1062                         switch (state)
1063                         {
1064                                 case iDVBChannel::state_ok:
1065                                 {
1066                                         eDebug("[eDVBCAService] channel %p running", chan);
1067                                         break;
1068                                 }
1069                                 case iDVBChannel::state_release:
1070                                 {
1071                                         eDebug("[eDVBCAService] remove channel %p", chan);
1072                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
1073                                         msg[7] = it->second->m_dataDemux & 0xFF;
1074                                         int sock, clilen;
1075                                         struct sockaddr_un servaddr;
1076                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1077                                         servaddr.sun_family = AF_UNIX;
1078                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1079                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1080                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1081                                         if (sock > -1)
1082                                         {
1083                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1084                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1085                                                 int val=1;
1086                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1087                                                 if (write(sock, msg, 8) != 8)
1088                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1089                                                 close(sock);
1090                                         }
1091                                         exist_channels.erase(it);
1092                                         delete it->second;
1093                                         it->second=0;
1094                                         break;
1095                                 }
1096                                 default: // ignore all other events
1097                                         return;
1098                         }
1099                         if (it->second)
1100                                 it->second->m_prevChannelState = state;
1101                 }
1102         }
1103 }
1104
1105 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1106 {
1107         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1108         {
1109                 if (chid == it->second->m_channel->getChannelID())
1110                         return it->second;
1111         }
1112         return 0;
1113 }
1114 // end static methods
1115
1116 #define CA_REPLY_DEBUG
1117 #define MAX_LENGTH_BYTES 4
1118 #define MIN_LENGTH_BYTES 1
1119
1120 void eDVBCAService::socketCB(int what)
1121 {
1122         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1123         {
1124                 char msgbuffer[4096];
1125                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1126                 if (length == -1)
1127                 {
1128                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1129                         {
1130                                 eDebug("[eSocketMMIHandler] read (%m)");
1131                                 what |= eSocketNotifier::Error;
1132                         }
1133                 } else if (length == 0)
1134                 {
1135                         what |= eSocketNotifier::Hungup;
1136                 } else
1137                 {
1138                         int len = length;
1139                         unsigned char *data = (unsigned char*)msgbuffer;
1140                         int clear = 1;
1141         // If a new message starts, then the previous message
1142         // should already have been processed. Otherwise the
1143         // previous message was incomplete and should therefore
1144         // be deleted.
1145                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1146                                 clear = 0;
1147                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1148                                 clear = 0;
1149                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1150                                 clear = 0;
1151                         if (clear)
1152                         {
1153                                 m_buffer.clear();
1154 #ifdef CA_REPLY_DEBUG
1155                                 eDebug("clear buffer");
1156 #endif
1157                         }
1158 #ifdef CA_REPLY_DEBUG
1159                         eDebug("Put to buffer:");
1160                         for (int i=0; i < len; ++i)
1161                                 eDebugNoNewLine("%02x ", data[i]);
1162                         eDebug("\n--------");
1163 #endif
1164                         m_buffer.write( data, len );
1165
1166                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1167                         {
1168                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1169                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1170                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1171                                 {
1172                                         m_buffer.skip(1);
1173 #ifdef CA_REPLY_DEBUG
1174                                         eDebug("skip %02x", tmp[0]);
1175 #endif
1176                                         continue;
1177                                 }
1178                                 if (tmp[3] & 0x80)
1179                                 {
1180                                         int peekLength = (tmp[3] & 0x7f) + 4;
1181                                         if (m_buffer.size() < peekLength)
1182                                                 continue;
1183                                         m_buffer.peek(tmp, peekLength);
1184                                 }
1185                                 int size=0;
1186                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1187                                 int messageLength = 3+LengthBytes+size;
1188                                 if ( m_buffer.size() >= messageLength )
1189                                 {
1190                                         unsigned char dest[messageLength];
1191                                         m_buffer.read(dest, messageLength);
1192 #ifdef CA_REPLY_DEBUG
1193                                         eDebug("dump ca reply:");
1194                                         for (int i=0; i < messageLength; ++i)
1195                                                 eDebugNoNewLine("%02x ", dest[i]);
1196                                         eDebug("\n--------");
1197 #endif
1198 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1199                                 }
1200                         }
1201                 }
1202         }
1203         if (what & eSocketNotifier::Hungup) {
1204                 /*eDebug("[eDVBCAService] connection closed")*/;
1205                 m_sendstate=1;
1206                 sendCAPMT();
1207         }
1208         if (what & eSocketNotifier::Error)
1209                 eDebug("[eDVBCAService] connection error");
1210 }
1211
1212 void eDVBCAService::Connect()
1213 {
1214         m_sn=0;
1215         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1216         m_servaddr.sun_family = AF_UNIX;
1217         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1218         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1219         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1220         if (m_sock != -1)
1221         {
1222                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1223                 {
1224                         int val=1;
1225                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1226                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1227                         m_sn = eSocketNotifier::create(eApp, m_sock,
1228                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1229                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1230
1231                 }
1232 //              else
1233 //                      eDebug("[eDVBCAService] connect failed %m");
1234         }
1235         else
1236                 eDebug("[eDVBCAService] create socket failed %m");
1237 }
1238
1239 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1240 {
1241         if (!ptr)
1242                 return;
1243
1244         eDVBTableSpec table_spec;
1245         ptr->getSpec(table_spec);
1246
1247         int pmtpid = table_spec.pid,
1248                 pmt_version = table_spec.version;
1249
1250         uint8_t demux_mask = 0;
1251         int data_demux = -1;
1252
1253         int iter=0, max_demux_slots = sizeof(m_used_demux);
1254         while ( iter < max_demux_slots )
1255         {
1256                 if ( m_used_demux[iter] != 0xFF )
1257                 {
1258                         if ( m_used_demux[iter] > data_demux )
1259                                 data_demux = m_used_demux[iter];
1260                         demux_mask |= (1 << m_used_demux[iter]);
1261                 }
1262                 ++iter;
1263         }
1264
1265         if ( data_demux == -1 )
1266         {
1267                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1268                 return;
1269         }
1270
1271         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1272
1273         unsigned int build_hash = ( pmtpid << 16);
1274         build_hash |= (demux_mask << 8);
1275         build_hash |= (pmt_version&0xFF);
1276
1277         if ( build_hash == m_prev_build_hash )
1278         {
1279                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1280                 return;
1281         }
1282
1283         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1284         if ( i != ptr->getSections().end() )
1285         {
1286                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1287
1288                 while( i != ptr->getSections().end() )
1289                 {
1290 //                      eDebug("append");
1291                         capmt.append(*i++);
1292                 }
1293
1294                 // add our private descriptors to capmt
1295                 uint8_t tmp[10];
1296
1297                 tmp[0]=0x84;  // pmt pid
1298                 tmp[1]=0x02;
1299                 tmp[2]=pmtpid>>8;
1300                 tmp[3]=pmtpid&0xFF;
1301                 capmt.injectDescriptor(tmp, false);
1302
1303                 tmp[0] = 0x82; // demux
1304                 tmp[1] = 0x02;
1305                 tmp[2] = demux_mask;    // descramble bitmask
1306                 tmp[3] = data_demux&0xFF; // read section data from demux number
1307                 capmt.injectDescriptor(tmp, false);
1308
1309                 tmp[0] = 0x81; // dvbnamespace
1310                 tmp[1] = 0x08;
1311                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1312                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1313                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1314                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1315                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1316                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1317                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1318                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1319                 capmt.injectDescriptor(tmp, false);
1320
1321                 capmt.writeToBuffer(m_capmt);
1322         }
1323
1324         m_prev_build_hash = build_hash;
1325
1326         if ( m_sendstate != 0xFFFFFFFF )
1327                 m_sendstate=0;
1328         sendCAPMT();
1329 }
1330
1331 void eDVBCAService::sendCAPMT()
1332 {
1333         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1334         {
1335                 ::close(m_sock);
1336                 Connect();
1337         }
1338
1339         int wp=0;
1340         if ( m_capmt[3] & 0x80 )
1341         {
1342                 int i=0;
1343                 int lenbytes = m_capmt[3] & ~0x80;
1344                 while(i < lenbytes)
1345                         wp = (wp << 8) | m_capmt[4 + i++];
1346                 wp+=4;
1347                 wp+=lenbytes;
1348         }
1349         else
1350         {
1351                 wp = m_capmt[3];
1352                 wp+=4;
1353         }
1354
1355         if ( write(m_sock, m_capmt, wp) == wp )
1356         {
1357                 m_sendstate=0xFFFFFFFF;
1358                 eDebug("[eDVBCAService] send %d bytes",wp);
1359                 eDVBChannelID chid;
1360                 m_service.getChannelID(chid);
1361                 channel_data *data = getChannelData(chid);
1362                 if (data)
1363                 {
1364                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1365                         data->m_dataDemux = m_capmt[24+lenbytes];
1366                 }
1367 #if 1
1368                 for(int i=0;i<wp;i++)
1369                         eDebugNoNewLine("%02x ", m_capmt[i]);
1370                 eDebug("");
1371 #endif
1372         }
1373         else
1374         {
1375                 switch(m_sendstate)
1376                 {
1377                         case 0xFFFFFFFF:
1378                                 ++m_sendstate;
1379                                 m_retryTimer->start(0,true);
1380 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1381                                 break;
1382                         default:
1383                                 m_retryTimer->start(5000,true);
1384 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1385                                 break;
1386                 }
1387                 ++m_sendstate;
1388         }
1389 }
1390
1391 static PyObject *createTuple(int pid, const char *type)
1392 {
1393         PyObject *r = PyTuple_New(2);
1394         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1395         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1396         return r;
1397 }
1398
1399 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1400 {
1401         PyList_Append(list, item);
1402         Py_DECREF(item);
1403 }
1404
1405 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1406
1407 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1408 {
1409         ePyObject r = PyDict_New();
1410         ePyObject l = PyList_New(0);
1411
1412         PyList_AppendSteal(l, createTuple(0, "pat"));
1413
1414         if (pmtPid != -1)
1415                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1416
1417         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1418                         i(videoStreams.begin());
1419                         i != videoStreams.end(); ++i)
1420                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1421
1422         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1423                         i(audioStreams.begin());
1424                         i != audioStreams.end(); ++i)
1425                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1426
1427         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1428                         i(subtitleStreams.begin());
1429                         i != subtitleStreams.end(); ++i)
1430                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1431
1432         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1433
1434         if (textPid != -1)
1435                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1436
1437         PutToDict(r, "pids", l);
1438
1439         return r;
1440 }