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                                                                         isaudio = 1;
 475                                                                         audio.type = audioStream::atAC3;
 476                                                                         break;
 477                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 478                                                                 {
 479                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 480                                                                         switch (d->getFormatIdentifier())
 481                                                                         {
 482                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 483                                                                                 isaudio = 1;
 484                                                                                 audio.type = audioStream::atDTS;
 485                                                                                 break;
 486                                                                         case 0x41432d33: // == 'AC-3'
 487                                                                                 isaudio = 1;
 488                                                                                 audio.type = audioStream::atAC3;
 489                                                                                 break;
 490                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 491                                                                                 isaudio = 1;
 492                                                                                 audio.type = audioStream::atLPCM;
 493                                                                                 break;
 494                                                                         case 0x56432d31: // == 'VC-1'
 495                                                                         {
 496                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 497                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 498                                                                                 {
 499                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 500                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 501                                                                                         else
 502                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 503                                                                                         isvideo = 1;
 504                                                                                 }
 505                                                                         }
 506                                                                         default:
 507                                                                                 break;
 508                                                                         }
 509                                                                         break;
 510                                                                 }
 511                                                                 case 0x28: // TS_PSI_DT_AVC
 512                                                                         isvideo = 1;
 513                                                                         video.type = videoStream::vtMPEG4_H264;
 514                                                                         break;
 515                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 516                                                                         isvideo = 1;
 517                                                                         video.type = videoStream::vtMPEG4_Part2;
 518                                                                         break;
 519                                                                 default:
 520                                                                         break;
 521                                                                 }
 522                                                         }
 523                                                         switch (tag)
 524                                                         {
 525                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 526                                                                 if (!isvideo)
 527                                                                 {
 528                                                                         int cnt=0;
 529                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 530                                                                                 /* use last language code */
 531                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 532                                                                         {
 533                                                                                 if (cnt == 0)
 534                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 535                                                                                 else
 536                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 537                                                                         }
 538                                                                 }
 539                                                                 break;
 540                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 541                                                                 audio.component_tag =
 542                                                                         video.component_tag =
 543                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 544                                                                 break;
 545                                                         case CA_DESCRIPTOR:
 546                                                         {
 547                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 548                                                                 program::capid_pair pair;
 549                                                                 pair.caid = descr->getCaSystemId();
 550                                                                 pair.capid = descr->getCaPid();
 551                                                                 program.caids.push_back(pair);
 552                                                                 break;
 553                                                         }
 554                                                         default:
 555                                                                 break;
 556                                                         }
 557                                                 }
 558                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 559                                                 {
 560                                                         prev_audio->rdsPid = (*es)->getPid();
 561                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 562                                                 }
 563                                                 prev_audio = 0;
 564                                         }
 565                                         default:
 566                                                 break;
 567                                         }
 568                                         if (isteletext && (isaudio || isvideo))
 569                                         {
 570                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 571                                                 continue; // continue with next PID
 572                                         }
 573                                         else if (issubtitle && (isaudio || isvideo))
 574                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 575                                         else if (isaudio && isvideo)
 576                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 577                                         if (issubtitle) // continue with next PID
 578                                                 continue;
 579                                         else if (isvideo)
 580                                         {
 581                                                 video.pid = (*es)->getPid();
 582                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 583                                                 {
 584                                                         program.videoStreams.push_back(program.videoStreams[0]);
 585                                                         program.videoStreams[0] = video;
 586                                                 }
 587                                                 else
 588                                                         program.videoStreams.push_back(video);
 589                                         }
 590                                         else if (isaudio)
 591                                         {
 592                                                 audio.pid = (*es)->getPid();
 593
 594                                                         /* if we find the cached pids, this will be our default stream */
 595                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 596                                                         program.defaultAudioStream = program.audioStreams.size();
 597
 598                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 599                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 600                                                         first_ac3 = program.audioStreams.size();
 601
 602                                                 program.audioStreams.push_back(audio);
 603                                                 prev_audio = &program.audioStreams.back();
 604                                         }
 605                                         else
 606                                                 continue;
 607                                 }
 608                         }
 609                         ret = 0;
 610
 611                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 612                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 613                            (note: if an ac3 audio stream was selected before, this will be also stored
 614                            in 'fisrt_ac3', so we don't need to worry. */
 615                         bool defaultac3 = false;
 616                         std::string default_ac3;
 617
 618                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 619                                 defaultac3 = default_ac3 == "True";
 620
 621                         if (defaultac3 && (first_ac3 != -1))
 622                                 program.defaultAudioStream = first_ac3;
 623
 624                         m_cached_program = program;
 625                         m_have_cached_program = true;
 626                 }
 627         } else if ( m_service && !m_service->cacheEmpty() )
 628         {
 629                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 630                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 631                         cnt=0;
 632                 if ( vpidtype == -1 )
 633                         vpidtype = videoStream::vtMPEG2;
 634                 if ( cached_vpid != -1 )
 635                 {
 636                         videoStream s;
 637                         s.pid = cached_vpid;
 638                         s.type = vpidtype;
 639                         program.videoStreams.push_back(s);
 640                         ++cnt;
 641                 }
 642                 if ( cached_apid_ac3 != -1 )
 643                 {
 644                         audioStream s;
 645                         s.type = audioStream::atAC3;
 646                         s.pid = cached_apid_ac3;
 647                         s.rdsPid = -1;
 648                         program.audioStreams.push_back(s);
 649                         ++cnt;
 650                 }
 651                 if ( cached_apid_mpeg != -1 )
 652                 {
 653                         audioStream s;
 654                         s.type = audioStream::atMPEG;
 655                         s.pid = cached_apid_mpeg;
 656                         s.rdsPid = -1;
 657                         program.audioStreams.push_back(s);
 658                         ++cnt;
 659                 }
 660                 if ( cached_pcrpid != -1 )
 661                 {
 662                         ++cnt;
 663                         program.pcrPid = cached_pcrpid;
 664                 }
 665                 if ( cached_tpid != -1 )
 666                 {
 667                         ++cnt;
 668                         program.textPid = cached_tpid;
 669                 }
 670                 CAID_LIST &caids = m_service->m_ca;
 671                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it) {
 672                         program::capid_pair pair;
 673                         pair.caid = *it;
 674                         pair.capid = -1; // not known yet
 675                         program.caids.push_back(pair);
 676                 }
 677                 if ( cnt )
 678                         ret = 0;
 679         }
 680         return ret;
 681 }
 682
 683 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 684 {
 685         channel = m_channel;
 686         if (channel)
 687                 return 0;
 688         else
 689                 return -1;
 690 }
 691
 692 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 693 {
 694         demux = m_demux;
 695         if (demux)
 696                 return 0;
 697         else
 698                 return -1;
 699 }
 700
 701 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 702 {
 703         int ret=0;
 704                 /* if we're using the decoding demux as data source
 705                    (for example in pvr playbacks), return that one. */
 706         if (m_use_decode_demux)
 707         {
 708                 demux = m_demux;
 709                 return ret;
 710         }
 711
 712         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 713
 714         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 715         if (!ret)
 716                 demux->getCADemuxID(m_decode_demux_num);
 717
 718         return ret;
 719 }
 720
 721 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 722 {
 723         pvr_channel = m_pvr_channel;
 724         if (pvr_channel)
 725                 return 0;
 726         else
 727                 return -1;
 728 }
 729
 730 void eDVBServicePMTHandler::SDTScanEvent(int event)
 731 {
 732         switch (event)
 733         {
 734                 case eDVBScan::evtFinish:
 735                 {
 736                         ePtr<iDVBChannelList> db;
 737                         if (m_resourceManager->getChannelList(db) != 0)
 738                                 eDebug("no channel list");
 739                         else
 740                         {
 741                                 eDVBChannelID chid;
 742                                 m_reference.getChannelID(chid);
 743                                 if (chid == m_dvb_scan->getCurrentChannelID())
 744                                 {
 745                                         m_dvb_scan->insertInto(db, true);
 746                                         eDebug("sdt update done!");
 747                                 }
 748                                 else
 749                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 750                         }
 751                         break;
 752                 }
 753
 754                 default:
 755                         break;
 756         }
 757 }
 758
 759 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 760 {
 761         ePtr<iTsSource> s;
 762         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 763 }
 764
 765 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service)
 766 {
 767         RESULT res=0;
 768         m_reference = ref;
 769         m_use_decode_demux = use_decode_demux;
 770         m_no_pat_entry_delay->stop();
 771
 772                 /* 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 */
 773         m_service = service;
 774
 775                 /* is this a normal (non PVR) channel? */
 776         if (ref.path.empty())
 777         {
 778                 eDVBChannelID chid;
 779                 ref.getChannelID(chid);
 780                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 781                 if (!simulate)
 782                         eDebug("allocate Channel: res %d", res);
 783
 784                 ePtr<iDVBChannelList> db;
 785                 if (!m_resourceManager->getChannelList(db))
 786                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 787
 788                 if (!res && !simulate)
 789                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 790         } else if (!simulate) // no simulation of playback services
 791         {
 792                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 793                 {
 794                         eDVBTSTools tstools;
 795                         bool b = source || !tstools.openFile(ref.path.c_str(), 1);
 796                         eWarning("no .meta file found, trying to find PMT pid");
 797                         if (source)
 798                                 tstools.setSource(source, NULL);
 799                         if (b)
 800                         {
 801                                 int service_id, pmt_pid;
 802                                 if (!tstools.findPMT(pmt_pid, service_id))
 803                                 {
 804                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 805                                         m_reference.setServiceID(service_id);
 806                                         m_pmt_pid = pmt_pid;
 807                                 }
 808                         }
 809                         else
 810                                 eWarning("no valid source to find PMT pid!");
 811                 }
 812                 eDebug("alloc PVR");
 813                         /* allocate PVR */
 814                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 815                 if (res)
 816                         eDebug("allocatePVRChannel failed!\n");
 817                 m_channel = m_pvr_channel;
 818         }
 819
 820         if (!simulate)
 821         {
 822                 if (m_channel)
 823                 {
 824                         m_channel->connectStateChange(
 825                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 826                                 m_channelStateChanged_connection);
 827                         m_last_channel_state = -1;
 828                         channelStateChanged(m_channel);
 829
 830                         m_channel->connectEvent(
 831                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 832                                 m_channelEvent_connection);
 833
 834                         if (ref.path.empty())
 835                         {
 836                                 m_dvb_scan = 0;
 837                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 838                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 839                         }
 840                 } else
 841                 {
 842                         if (res == eDVBResourceManager::errAllSourcesBusy)
 843                                 serviceEvent(eventNoResources);
 844                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 845                                 serviceEvent(eventMisconfiguration);
 846                         return res;
 847                 }
 848
 849                 if (m_pvr_channel)
 850                 {
 851                         m_pvr_channel->setCueSheet(cue);
 852
 853                         if (m_pvr_channel->getDemux(m_pvr_demux_tmp, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
 854                                 eDebug("Allocating %s-decoding a demux for PVR channel failed.", m_use_decode_demux ? "" : "non-");
 855                         else if (source)
 856                                 m_pvr_channel->playSource(source, streaminfo_file);
 857                         else
 858                                 m_pvr_channel->playFile(ref.path.c_str());
 859                 }
 860         }
 861
 862         return res;
 863 }
 864
 865 void eDVBServicePMTHandler::free()
 866 {
 867         m_dvb_scan = 0;
 868
 869         if (m_ca_servicePtr)
 870         {
 871                 int demuxes[2] = {0,0};
 872                 uint8_t tmp;
 873                 m_demux->getCADemuxID(tmp);
 874                 demuxes[0]=tmp;
 875                 if (m_decode_demux_num != 0xFF)
 876                         demuxes[1]=m_decode_demux_num;
 877                 else
 878                         demuxes[1]=demuxes[0];
 879                 ePtr<eTable<ProgramMapSection> > ptr;
 880                 m_PMT.getCurrent(ptr);
 881                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 882                 m_ca_servicePtr = 0;
 883         }
 884
 885         if (m_channel)
 886                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 887
 888         if (m_pvr_channel)
 889         {
 890                 m_pvr_channel->stopFile();
 891                 m_pvr_channel->setCueSheet(0);
 892         }
 893
 894         m_PMT.stop();
 895         m_PAT.stop();
 896         m_service = 0;
 897         m_channel = 0;
 898         m_pvr_channel = 0;
 899         m_demux = 0;
 900 }
 901
 902 CAServiceMap eDVBCAService::exist;
 903 ChannelMap eDVBCAService::exist_channels;
 904 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 905
 906 eDVBCAService::eDVBCAService()
 907         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 908 {
 909         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 910         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 911         Connect();
 912 }
 913
 914 eDVBCAService::~eDVBCAService()
 915 {
 916         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 917         ::close(m_sock);
 918 }
 919
 920 // begin static methods
 921 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 922 {
 923         CAServiceMap::iterator it = exist.find(ref);
 924         if ( it != exist.end() )
 925                 caservice = it->second;
 926         else
 927         {
 928                 caservice = (exist[ref]=new eDVBCAService());
 929                 caservice->m_service = ref;
 930                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 931         }
 932
 933         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 934         for (int i=0; i < loops; ++i)
 935         {
 936 // search free demux entry
 937                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 938
 939                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 940                         ++iter;
 941
 942                 if ( iter < max_demux_slots )
 943                 {
 944                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 945                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 946                 }
 947                 else
 948                 {
 949                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 950                         return -1;
 951                 }
 952         }
 953         return 0;
 954 }
 955
 956 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 957 {
 958         CAServiceMap::iterator it = exist.find(ref);
 959         if ( it == exist.end() )
 960         {
 961                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 962                 return -1;
 963         }
 964         else
 965         {
 966                 eDVBCAService *caservice = it->second;
 967                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 968                 for (int i=0; i < loops; ++i)
 969                 {
 970                         bool freed = false;
 971                         int iter = 0,
 972                                 used_demux_slots = 0,
 973                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 974                         while ( iter < max_demux_slots )
 975                         {
 976                                 if ( caservice->m_used_demux[iter] != 0xFF )
 977                                 {
 978                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 979                                         {
 980                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 981                                                 caservice->m_used_demux[iter] = 0xFF;
 982                                                 freed=true;
 983                                         }
 984                                         else
 985                                                 ++used_demux_slots;
 986                                 }
 987                                 ++iter;
 988                         }
 989                         if (!freed)
 990                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 991                         if (i || loops == 1)
 992                         {
 993                                 if (!used_demux_slots)  // no more used.. so we remove it
 994                                 {
 995                                         delete it->second;
 996                                         exist.erase(it);
 997                                 }
 998                                 else
 999                                 {
1000                                         if (ptr)
1001                                                 it->second->buildCAPMT(ptr);
1002                                         else
1003                                                 eDebug("[eDVBCAService] can not send updated demux info");
1004                                 }
1005                         }
1006                 }
1007         }
1008         return 0;
1009 }
1010
1011 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
1012 {
1013         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
1014 }
1015
1016 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
1017 {
1018         if ( chan )
1019         {
1020                 eDebug("[eDVBCAService] new channel %p!", chan);
1021                 channel_data *data = new channel_data();
1022                 data->m_channel = chan;
1023                 data->m_prevChannelState = -1;
1024                 data->m_dataDemux = -1;
1025                 exist_channels[chan] = data;
1026                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
1027         }
1028 }
1029
1030 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
1031 {
1032         ChannelMap::iterator it =
1033                 exist_channels.find(chan);
1034         if ( it != exist_channels.end() )
1035         {
1036                 int state=0;
1037                 chan->getState(state);
1038                 if ( it->second->m_prevChannelState != state )
1039                 {
1040                         switch (state)
1041                         {
1042                                 case iDVBChannel::state_ok:
1043                                 {
1044                                         eDebug("[eDVBCAService] channel %p running", chan);
1045                                         break;
1046                                 }
1047                                 case iDVBChannel::state_release:
1048                                 {
1049                                         eDebug("[eDVBCAService] remove channel %p", chan);
1050                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
1051                                         msg[7] = it->second->m_dataDemux & 0xFF;
1052                                         int sock, clilen;
1053                                         struct sockaddr_un servaddr;
1054                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1055                                         servaddr.sun_family = AF_UNIX;
1056                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1057                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1058                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1059                                         if (sock > -1)
1060                                         {
1061                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1062                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1063                                                 int val=1;
1064                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1065                                                 if (write(sock, msg, 8) != 8)
1066                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1067                                                 close(sock);
1068                                         }
1069                                         exist_channels.erase(it);
1070                                         delete it->second;
1071                                         it->second=0;
1072                                         break;
1073                                 }
1074                                 default: // ignore all other events
1075                                         return;
1076                         }
1077                         if (it->second)
1078                                 it->second->m_prevChannelState = state;
1079                 }
1080         }
1081 }
1082
1083 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1084 {
1085         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1086         {
1087                 if (chid == it->second->m_channel->getChannelID())
1088                         return it->second;
1089         }
1090         return 0;
1091 }
1092 // end static methods
1093
1094 #define CA_REPLY_DEBUG
1095 #define MAX_LENGTH_BYTES 4
1096 #define MIN_LENGTH_BYTES 1
1097
1098 void eDVBCAService::socketCB(int what)
1099 {
1100         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1101         {
1102                 char msgbuffer[4096];
1103                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1104                 if (length == -1)
1105                 {
1106                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1107                         {
1108                                 eDebug("[eSocketMMIHandler] read (%m)");
1109                                 what |= eSocketNotifier::Error;
1110                         }
1111                 } else if (length == 0)
1112                 {
1113                         what |= eSocketNotifier::Hungup;
1114                 } else
1115                 {
1116                         int len = length;
1117                         unsigned char *data = (unsigned char*)msgbuffer;
1118                         int clear = 1;
1119         // If a new message starts, then the previous message
1120         // should already have been processed. Otherwise the
1121         // previous message was incomplete and should therefore
1122         // be deleted.
1123                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1124                                 clear = 0;
1125                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1126                                 clear = 0;
1127                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1128                                 clear = 0;
1129                         if (clear)
1130                         {
1131                                 m_buffer.clear();
1132 #ifdef CA_REPLY_DEBUG
1133                                 eDebug("clear buffer");
1134 #endif
1135                         }
1136 #ifdef CA_REPLY_DEBUG
1137                         eDebug("Put to buffer:");
1138                         for (int i=0; i < len; ++i)
1139                                 eDebugNoNewLine("%02x ", data[i]);
1140                         eDebug("\n--------");
1141 #endif
1142                         m_buffer.write( data, len );
1143
1144                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1145                         {
1146                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1147                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1148                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1149                                 {
1150                                         m_buffer.skip(1);
1151 #ifdef CA_REPLY_DEBUG
1152                                         eDebug("skip %02x", tmp[0]);
1153 #endif
1154                                         continue;
1155                                 }
1156                                 if (tmp[3] & 0x80)
1157                                 {
1158                                         int peekLength = (tmp[3] & 0x7f) + 4;
1159                                         if (m_buffer.size() < peekLength)
1160                                                 continue;
1161                                         m_buffer.peek(tmp, peekLength);
1162                                 }
1163                                 int size=0;
1164                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1165                                 int messageLength = 3+LengthBytes+size;
1166                                 if ( m_buffer.size() >= messageLength )
1167                                 {
1168                                         unsigned char dest[messageLength];
1169                                         m_buffer.read(dest, messageLength);
1170 #ifdef CA_REPLY_DEBUG
1171                                         eDebug("dump ca reply:");
1172                                         for (int i=0; i < messageLength; ++i)
1173                                                 eDebugNoNewLine("%02x ", dest[i]);
1174                                         eDebug("\n--------");
1175 #endif
1176 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1177                                 }
1178                         }
1179                 }
1180         }
1181         if (what & eSocketNotifier::Hungup) {
1182                 /*eDebug("[eDVBCAService] connection closed")*/;
1183                 m_sendstate=1;
1184                 sendCAPMT();
1185         }
1186         if (what & eSocketNotifier::Error)
1187                 eDebug("[eDVBCAService] connection error");
1188 }
1189
1190 void eDVBCAService::Connect()
1191 {
1192         m_sn=0;
1193         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1194         m_servaddr.sun_family = AF_UNIX;
1195         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1196         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1197         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1198         if (m_sock != -1)
1199         {
1200                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1201                 {
1202                         int val=1;
1203                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1204                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1205                         m_sn = eSocketNotifier::create(eApp, m_sock,
1206                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1207                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1208
1209                 }
1210 //              else
1211 //                      eDebug("[eDVBCAService] connect failed %m");
1212         }
1213         else
1214                 eDebug("[eDVBCAService] create socket failed %m");
1215 }
1216
1217 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1218 {
1219         if (!ptr)
1220                 return;
1221
1222         eDVBTableSpec table_spec;
1223         ptr->getSpec(table_spec);
1224
1225         int pmtpid = table_spec.pid,
1226                 pmt_version = table_spec.version;
1227
1228         uint8_t demux_mask = 0;
1229         int data_demux = -1;
1230
1231         int iter=0, max_demux_slots = sizeof(m_used_demux);
1232         while ( iter < max_demux_slots )
1233         {
1234                 if ( m_used_demux[iter] != 0xFF )
1235                 {
1236                         if ( m_used_demux[iter] > data_demux )
1237                                 data_demux = m_used_demux[iter];
1238                         demux_mask |= (1 << m_used_demux[iter]);
1239                 }
1240                 ++iter;
1241         }
1242
1243         if ( data_demux == -1 )
1244         {
1245                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1246                 return;
1247         }
1248
1249         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1250
1251         unsigned int build_hash = ( pmtpid << 16);
1252         build_hash |= (demux_mask << 8);
1253         build_hash |= (pmt_version&0xFF);
1254
1255         if ( build_hash == m_prev_build_hash )
1256         {
1257                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1258                 return;
1259         }
1260
1261         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1262         if ( i != ptr->getSections().end() )
1263         {
1264                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1265
1266                 while( i != ptr->getSections().end() )
1267                 {
1268 //                      eDebug("append");
1269                         capmt.append(*i++);
1270                 }
1271
1272                 // add our private descriptors to capmt
1273                 uint8_t tmp[10];
1274
1275                 tmp[0]=0x84;  // pmt pid
1276                 tmp[1]=0x02;
1277                 tmp[2]=pmtpid>>8;
1278                 tmp[3]=pmtpid&0xFF;
1279                 capmt.injectDescriptor(tmp, false);
1280
1281                 tmp[0] = 0x82; // demux
1282                 tmp[1] = 0x02;
1283                 tmp[2] = demux_mask;    // descramble bitmask
1284                 tmp[3] = data_demux&0xFF; // read section data from demux number
1285                 capmt.injectDescriptor(tmp, false);
1286
1287                 tmp[0] = 0x81; // dvbnamespace
1288                 tmp[1] = 0x08;
1289                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1290                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1291                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1292                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1293                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1294                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1295                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1296                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1297                 capmt.injectDescriptor(tmp, false);
1298
1299                 capmt.writeToBuffer(m_capmt);
1300         }
1301
1302         m_prev_build_hash = build_hash;
1303
1304         if ( m_sendstate != 0xFFFFFFFF )
1305                 m_sendstate=0;
1306         sendCAPMT();
1307 }
1308
1309 void eDVBCAService::sendCAPMT()
1310 {
1311         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1312         {
1313                 ::close(m_sock);
1314                 Connect();
1315         }
1316
1317         int wp=0;
1318         if ( m_capmt[3] & 0x80 )
1319         {
1320                 int i=0;
1321                 int lenbytes = m_capmt[3] & ~0x80;
1322                 while(i < lenbytes)
1323                         wp = (wp << 8) | m_capmt[4 + i++];
1324                 wp+=4;
1325                 wp+=lenbytes;
1326         }
1327         else
1328         {
1329                 wp = m_capmt[3];
1330                 wp+=4;
1331         }
1332
1333         if ( write(m_sock, m_capmt, wp) == wp )
1334         {
1335                 m_sendstate=0xFFFFFFFF;
1336                 eDebug("[eDVBCAService] send %d bytes",wp);
1337                 eDVBChannelID chid;
1338                 m_service.getChannelID(chid);
1339                 channel_data *data = getChannelData(chid);
1340                 if (data)
1341                 {
1342                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1343                         data->m_dataDemux = m_capmt[24+lenbytes];
1344                 }
1345 #if 1
1346                 for(int i=0;i<wp;i++)
1347                         eDebugNoNewLine("%02x ", m_capmt[i]);
1348                 eDebug("");
1349 #endif
1350         }
1351         else
1352         {
1353                 switch(m_sendstate)
1354                 {
1355                         case 0xFFFFFFFF:
1356                                 ++m_sendstate;
1357                                 m_retryTimer->start(0,true);
1358 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1359                                 break;
1360                         default:
1361                                 m_retryTimer->start(5000,true);
1362 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1363                                 break;
1364                 }
1365                 ++m_sendstate;
1366         }
1367 }
1368
1369 static PyObject *createTuple(int pid, const char *type)
1370 {
1371         PyObject *r = PyTuple_New(2);
1372         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1373         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1374         return r;
1375 }
1376
1377 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1378 {
1379         PyList_Append(list, item);
1380         Py_DECREF(item);
1381 }
1382
1383 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1384
1385 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1386 {
1387         ePyObject r = PyDict_New();
1388         ePyObject l = PyList_New(0);
1389
1390         PyList_AppendSteal(l, createTuple(0, "pat"));
1391
1392         if (pmtPid != -1)
1393                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1394
1395         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1396                         i(videoStreams.begin());
1397                         i != videoStreams.end(); ++i)
1398                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1399
1400         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1401                         i(audioStreams.begin());
1402                         i != audioStreams.end(); ++i)
1403                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1404
1405         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1406                         i(subtitleStreams.begin());
1407                         i != subtitleStreams.end(); ++i)
1408                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1409
1410         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1411
1412         if (textPid != -1)
1413                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1414
1415         PutToDict(r, "pids", l);
1416
1417         return r;
1418 }