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

   1 #include <lib/base/nconfig.h> // access to python config
   2 #include <lib/base/eerror.h>
   3 #include <lib/dvb/pmt.h>
   4 #include <lib/dvb/specs.h>
   5 #include <lib/dvb/dvb.h>
   6 #include <lib/dvb/metaparser.h>
   7 #include <lib/dvb_ci/dvbci.h>
   8 #include <lib/dvb/epgcache.h>
   9 #include <lib/dvb/scan.h>
  10 #include <lib/dvb_ci/dvbci_session.h>
  11 #include <dvbsi++/ca_descriptor.h>
  12 #include <dvbsi++/ca_program_map_section.h>
  13 #include <dvbsi++/teletext_descriptor.h>
  14 #include <dvbsi++/descriptor_tag.h>
  15 #include <dvbsi++/iso639_language_descriptor.h>
  16 #include <dvbsi++/stream_identifier_descriptor.h>
  17 #include <dvbsi++/subtitling_descriptor.h>
  18 #include <dvbsi++/teletext_descriptor.h>
  19 #include <dvbsi++/video_stream_descriptor.h>
  20 #include <dvbsi++/registration_descriptor.h>
  21 #include <dvbsi++/ac3_descriptor.h>
  22
  23 eDVBServicePMTHandler::eDVBServicePMTHandler()
  24         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF), m_no_pat_entry_delay(eTimer::create())
  25 {
  26         m_use_decode_demux = 0;
  27         m_pmt_pid = -1;
  28         m_isstreamclient = false;
  29         eDVBResourceManager::getInstance(m_resourceManager);
  30         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  31         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  32         CONNECT(m_no_pat_entry_delay->timeout, eDVBServicePMTHandler::sendEventNoPatEntry);
  33 }
  34
  35 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  36 {
  37         free();
  38 }
  39
  40 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  41 {
  42         int state;
  43         channel->getState(state);
  44
  45         if ((m_last_channel_state != iDVBChannel::state_ok)
  46                 && (state == iDVBChannel::state_ok) && (!m_demux))
  47         {
  48                 if (m_channel)
  49                 {
  50                         if (m_pvr_demux_tmp)
  51                         {
  52                                 m_demux = m_pvr_demux_tmp;
  53                                 m_pvr_demux_tmp = NULL;
  54                         }
  55                         else if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  56                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  57                 }
  58
  59                 serviceEvent(eventTuned);
  60
  61                 if (m_demux)
  62                 {
  63                         eDebug("ok ... now we start!!");
  64
  65                         if (!m_service || m_service->usePMT())
  66                         {
  67                                 if (m_pmt_pid == -1)
  68                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  69                                 else
  70                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  71                         }
  72
  73                         if ( m_service && !m_service->cacheEmpty() )
  74                                 serviceEvent(eventNewProgramInfo);
  75                 }
  76         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  77                         (state == iDVBChannel::state_failed))
  78         {
  79                 eDebug("tune failed.");
  80                 serviceEvent(eventTuneFailed);
  81         }
  82 }
  83
  84 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  85 {
  86         switch (event)
  87         {
  88         case iDVBChannel::evtPreStart:
  89                 serviceEvent(eventPreStart);
  90                 break;
  91         case iDVBChannel::evtEOF:
  92                 serviceEvent(eventEOF);
  93                 break;
  94         case iDVBChannel::evtSOF:
  95                 serviceEvent(eventSOF);
  96                 break;
  97         default:
  98                 break;
  99         }
 100 }
 101
 102 void eDVBServicePMTHandler::PMTready(int error)
 103 {
 104         if (error)
 105                 serviceEvent(eventNoPMT);
 106         else
 107         {
 108                 m_have_cached_program = false;
 109                 serviceEvent(eventNewProgramInfo);
 110                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
 111                 {
 112                         eEPGCache::getInstance()->PMTready(this);
 113                         if(!m_ca_servicePtr && !m_isstreamclient)
 114                         {
 115                                 int demuxes[2] = {0,0};
 116                                 uint8_t tmp;
 117                                 m_demux->getCADemuxID(tmp);
 118                                 demuxes[0]=tmp;
 119                                 if (m_decode_demux_num != 0xFF)
 120                                         demuxes[1]=m_decode_demux_num;
 121                                 else
 122                                         demuxes[1]=demuxes[0];
 123                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 124                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 125                         }
 126                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 127                 }
 128                 if (m_ca_servicePtr)
 129                 {
 130                         ePtr<eTable<ProgramMapSection> > ptr;
 131                         if (!m_PMT.getCurrent(ptr))
 132                                 m_ca_servicePtr->buildCAPMT(ptr);
 133                         else
 134                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 135                 }
 136         }
 137 }
 138
 139 void eDVBServicePMTHandler::sendEventNoPatEntry()
 140 {
 141         serviceEvent(eventNoPATEntry);
 142 }
 143
 144 void eDVBServicePMTHandler::PATready(int)
 145 {
 146         eDebug("PATready");
 147         ePtr<eTable<ProgramAssociationSection> > ptr;
 148         if (!m_PAT.getCurrent(ptr))
 149         {
 150                 int service_id_single = -1;
 151                 int pmtpid_single = -1;
 152                 int pmtpid = -1;
 153                 int cnt=0;
 154                 std::vector<ProgramAssociationSection*>::const_iterator i;
 155                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 156                 {
 157                         const ProgramAssociationSection &pat = **i;
 158                         ProgramAssociationConstIterator program;
 159                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 160                         {
 161                                 ++cnt;
 162                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 163                                         pmtpid = (*program)->getProgramMapPid();
 164                                 if (++cnt == 1 && pmtpid_single == -1 && pmtpid == -1)
 165                                 {
 166                                         pmtpid_single = (*program)->getProgramMapPid();
 167                                         service_id_single = (*program)->getProgramNumber();
 168                                 }
 169                                 else
 170                                         pmtpid_single = service_id_single = -1;
 171                         }
 172                 }
 173                 if (pmtpid_single != -1) // only one PAT entry .. and not valid pmtpid found
 174                 {
 175                         eDebug("use single pat entry!");
 176                         m_reference.setServiceID(eServiceID(service_id_single));
 177                         pmtpid = pmtpid_single;
 178                 }
 179                 if (pmtpid == -1) {
 180                         eDebug("no PAT entry found.. start delay");
 181                         m_no_pat_entry_delay->start(1000, true);
 182                 }
 183                 else {
 184                         eDebug("use pmtpid %04x for service_id %04x", pmtpid, m_reference.getServiceID().get());
 185                         m_no_pat_entry_delay->stop();
 186                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 187                 }
 188         } else
 189                 serviceEvent(eventNoPAT);
 190 }
 191
 192 PyObject *eDVBServicePMTHandler::getCaIds(bool pair)
 193 {
 194         ePyObject ret;
 195
 196         program prog;
 197
 198         if ( !getProgramInfo(prog) )
 199         {
 200                 if (pair)
 201                 {
 202                         int cnt=prog.caids.size();
 203                         if (cnt)
 204                         {
 205                                 ret=PyList_New(cnt);
 206                                 std::list<program::capid_pair>::iterator it(prog.caids.begin());
 207                                 while(cnt--)
 208                                 {
 209                                         ePyObject tuple = PyTuple_New(2);
 210                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(it->caid));
 211                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong((it++)->capid));
 212                                         PyList_SET_ITEM(ret, cnt, tuple);
 213                                 }
 214                         }
 215                 }
 216                 else
 217                 {
 218                         std::set<program::capid_pair> set(prog.caids.begin(), prog.caids.end());
 219                         std::set<program::capid_pair>::iterator it(set.begin());
 220                         int cnt=set.size();
 221                         ret=PyList_New(cnt);
 222                         while(cnt--)
 223                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong((it++)->caid));
 224                 }
 225         }
 226
 227         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 228 }
 229
 230 int eDVBServicePMTHandler::getProgramInfo(program &program)
 231 {
 232         ePtr<eTable<ProgramMapSection> > ptr;
 233         int cached_apid_ac3 = -1;
 234         int cached_apid_mpeg = -1;
 235         int cached_vpid = -1;
 236         int cached_tpid = -1;
 237         int ret = -1;
 238
 239         program.videoStreams.clear();
 240         program.audioStreams.clear();
 241         program.pcrPid = -1;
 242         program.pmtPid = -1;
 243         program.textPid = -1;
 244
 245         int first_ac3 = -1;
 246         program.defaultAudioStream = 0;
 247         audioStream *prev_audio = 0;
 248
 249         if ( m_service && !m_service->cacheEmpty() )
 250         {
 251                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 252                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 253                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 254                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 255         }
 256
 257         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 258         {
 259                 if (m_have_cached_program)
 260                 {
 261                         program = m_cached_program;
 262                         ret = 0;
 263                 }
 264                 else
 265                 {
 266                         eDVBTableSpec table_spec;
 267                         ptr->getSpec(table_spec);
 268                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 269                         std::vector<ProgramMapSection*>::const_iterator i;
 270                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 271                         {
 272                                 const ProgramMapSection &pmt = **i;
 273                                 int is_hdmv = 0;
 274
 275                                 program.pcrPid = pmt.getPcrPid();
 276
 277                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 278                                         desc != pmt.getDescriptors()->end(); ++desc)
 279                                 {
 280                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 281                                         {
 282                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 283                                                 program::capid_pair pair;
 284                                                 pair.caid = descr->getCaSystemId();
 285                                                 pair.capid = descr->getCaPid();
 286                                                 program.caids.push_back(pair);
 287                                         }
 288                                         else if ((*desc)->getTag() == REGISTRATION_DESCRIPTOR)
 289                                         {
 290                                                 RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 291                                                 if (d->getFormatIdentifier() == 0x48444d56) // HDMV
 292                                                         is_hdmv = 1;
 293                                         }
 294                                 }
 295
 296                                 ElementaryStreamInfoConstIterator es;
 297                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 298                                 {
 299                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 300                                         int streamtype = (*es)->getType();
 301                                         videoStream video;
 302                                         audioStream audio;
 303                                         audio.component_tag=video.component_tag=-1;
 304                                         video.type = videoStream::vtMPEG2;
 305                                         audio.type = audioStream::atMPEG;
 306                                         audio.rdsPid = -1;
 307
 308                                         switch (streamtype)
 309                                         {
 310                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 311                                                 video.type = videoStream::vtMPEG4_H264;
 312                                                 isvideo = 1;
 313                                                 //break; fall through !!!
 314                                         case 0x10: // MPEG 4 Part 2
 315                                                 if (!isvideo)
 316                                                 {
 317                                                         video.type = videoStream::vtMPEG4_Part2;
 318                                                         isvideo = 1;
 319                                                 }
 320                                                 //break; fall through !!!
 321                                         case 0x01: // MPEG 1 video
 322                                                 if (!isvideo)
 323                                                         video.type = videoStream::vtMPEG1;
 324                                                 //break; fall through !!!
 325                                         case 0x02: // MPEG 2 video
 326                                                 isvideo = 1;
 327                                                 forced_video = 1;
 328                                                 //break; fall through !!!
 329                                         case 0x03: // MPEG 1 audio
 330                                         case 0x04: // MPEG 2 audio:
 331                                                 if (!isvideo) {
 332                                                         isaudio = 1;
 333                                                         forced_audio = 1;
 334                                                 }
 335                                                 //break; fall through !!!
 336                                         case 0x0f: // MPEG 2 AAC
 337                                                 if (!isvideo && !isaudio)
 338                                                 {
 339                                                         isaudio = 1;
 340                                                         audio.type = audioStream::atAAC;
 341                                                         forced_audio = 1;
 342                                                 }
 343                                                 //break; fall through !!!
 344                                         case 0x11: // MPEG 4 AAC
 345                                                 if (!isvideo && !isaudio)
 346                                                 {
 347                                                         isaudio = 1;
 348                                                         audio.type = audioStream::atAACHE;
 349                                                         forced_audio = 1;
 350                                                 }
 351                                         case 0x80: // user private ... but bluray LPCM
 352                                         case 0xA0: // bluray secondary LPCM
 353                                                 if (!isvideo && !isaudio && is_hdmv)
 354                                                 {
 355                                                         isaudio = 1;
 356                                                         audio.type = audioStream::atLPCM;
 357                                                 }
 358                                         case 0x81: // user private ... but bluray AC3
 359                                         case 0xA1: // bluray secondary AC3
 360                                                 if (!isvideo && !isaudio && is_hdmv)
 361                                                 {
 362                                                         isaudio = 1;
 363                                                         audio.type = audioStream::atAC3;
 364                                                 }
 365                                         case 0x82: // bluray DTS (dvb user private...)
 366                                         case 0xA2: // bluray secondary DTS
 367                                                 if (!isvideo && !isaudio && is_hdmv)
 368                                                 {
 369                                                         isaudio = 1;
 370                                                         audio.type = audioStream::atDTS;
 371                                                 }
 372                                         case 0x86: // bluray DTS-HD (dvb user private...)
 373                                         case 0xA6: // bluray secondary DTS-HD
 374                                                 if (!isvideo && !isaudio && is_hdmv)
 375                                                 {
 376                                                         isaudio = 1;
 377                                                         audio.type = audioStream::atDTSHD;
 378                                                 }
 379                                         case 0x06: // PES Private
 380                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 381                                         {
 382                                                 int num_descriptors = 0;
 383                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 384                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 385                                                 {
 386                                                         uint8_t tag = (*desc)->getTag();
 387                                                         /* check descriptors to get the exakt stream type. */
 388                                                         ++num_descriptors;
 389                                                         if (!forced_video && !forced_audio)
 390                                                         {
 391                                                                 switch (tag)
 392                                                                 {
 393                                                                 case AUDIO_STREAM_DESCRIPTOR:
 394                                                                         isaudio = 1;
 395                                                                         break;
 396                                                                 case VIDEO_STREAM_DESCRIPTOR:
 397                                                                 {
 398                                                                         isvideo = 1;
 399                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 400                                                                         if (d->getMpeg1OnlyFlag())
 401                                                                                 video.type = videoStream::vtMPEG1;
 402                                                                         break;
 403                                                                 }
 404                                                                 case SUBTITLING_DESCRIPTOR:
 405                                                                 {
 406                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 407                                                                         const SubtitlingList *list = d->getSubtitlings();
 408                                                                         subtitleStream s;
 409                                                                         s.pid = (*es)->getPid();
 410                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 411                                                                         {
 412                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 413                                                                                 switch(s.subtitling_type)
 414                                                                                 {
 415                                                                                 case 0x10 ... 0x13:
 416                                                                                 case 0x20 ... 0x23: // dvb subtitles
 417                                                                                         break;
 418                                                                                 default:
 419                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 420                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 421                                                                                         s.subtitling_type = 0x10;
 422                                                                                         break;
 423                                                                                 }
 424                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 425                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 426                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 427 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 428 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 429                                                                                 issubtitle=1;
 430                                                                                 program.subtitleStreams.push_back(s);
 431                                                                         }
 432                                                                         break;
 433                                                                 }
 434                                                                 case TELETEXT_DESCRIPTOR:
 435                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 436                                                                         {
 437                                                                                 subtitleStream s;
 438                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 439                                                                                 s.pid = program.textPid = (*es)->getPid();
 440                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 441                                                                                 isteletext = 1;
 442                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 443                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 444                                                                                 {
 445                                                                                         switch((*it)->getTeletextType())
 446                                                                                         {
 447                                                                                         case 0x02: // Teletext subtitle page
 448                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 449                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 450                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 451                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 452 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 453 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 454                                                                                                 program.subtitleStreams.push_back(s);
 455                                                                                                 issubtitle=1;
 456                                                                                         default:
 457                                                                                                 break;
 458                                                                                         }
 459                                                                                 }
 460                                                                         }
 461                                                                         break;
 462                                                                 case DTS_DESCRIPTOR:
 463                                                                         isaudio = 1;
 464                                                                         audio.type = audioStream::atDTS;
 465                                                                         break;
 466                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 467                                                                         isaudio = 1;
 468                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 469                                                                         break;
 470                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 471                                                                 case AAC_DESCRIPTOR:
 472                                                                         isaudio = 1;
 473                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 474                                                                         break;
 475                                                                 case AC3_DESCRIPTOR:
 476                                                                 {
 477                                                                         Ac3Descriptor *ac = (Ac3Descriptor*)(*desc);
 478
 479                                                                         isaudio = 1;
 480                                                                         audio.type = audioStream::atAC3;
 481
 482                                                                         if(ac->getAc3TypeFlag())
 483                                                                         {
 484
 485                                                                                 uint8_t ac3type = 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                                                                         isaudio = 1;
 494                                                                         audio.type = audioStream::atDDP;
 495                                                                         break;
 496
 497
 498                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 499                                                                 {
 500                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 501                                                                         switch (d->getFormatIdentifier())
 502                                                                         {
 503                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 504                                                                                 isaudio = 1;
 505                                                                                 audio.type = audioStream::atDTS;
 506                                                                                 break;
 507                                                                         case 0x41432d33: // == 'AC-3'
 508                                                                                 isaudio = 1;
 509                                                                                 audio.type = audioStream::atAC3;
 510                                                                                 break;
 511                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 512                                                                                 isaudio = 1;
 513                                                                                 audio.type = audioStream::atLPCM;
 514                                                                                 break;
 515                                                                         case 0x56432d31: // == 'VC-1'
 516                                                                         {
 517                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 518                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 519                                                                                 {
 520                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 521                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 522                                                                                         else
 523                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 524                                                                                         isvideo = 1;
 525                                                                                 }
 526                                                                         }
 527                                                                         default:
 528                                                                                 break;
 529                                                                         }
 530                                                                         break;
 531                                                                 }
 532                                                                 case 0x28: // TS_PSI_DT_AVC
 533                                                                         isvideo = 1;
 534                                                                         video.type = videoStream::vtMPEG4_H264;
 535                                                                         break;
 536                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 537                                                                         isvideo = 1;
 538                                                                         video.type = videoStream::vtMPEG4_Part2;
 539                                                                         break;
 540                                                                 default:
 541                                                                         break;
 542                                                                 }
 543                                                         }
 544                                                         switch (tag)
 545                                                         {
 546                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 547                                                                 if (!isvideo)
 548                                                                 {
 549                                                                         int cnt=0;
 550                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 551                                                                                 /* use last language code */
 552                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 553                                                                         {
 554                                                                                 if (cnt == 0)
 555                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 556                                                                                 else
 557                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 558                                                                         }
 559                                                                 }
 560                                                                 break;
 561                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 562                                                                 audio.component_tag =
 563                                                                         video.component_tag =
 564                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 565                                                                 break;
 566                                                         case CA_DESCRIPTOR:
 567                                                         {
 568                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 569                                                                 program::capid_pair pair;
 570                                                                 pair.caid = descr->getCaSystemId();
 571                                                                 pair.capid = descr->getCaPid();
 572                                                                 program.caids.push_back(pair);
 573                                                                 break;
 574                                                         }
 575                                                         default:
 576                                                                 break;
 577                                                         }
 578                                                 }
 579                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 580                                                 {
 581                                                         prev_audio->rdsPid = (*es)->getPid();
 582                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 583                                                 }
 584                                                 prev_audio = 0;
 585                                         }
 586                                         default:
 587                                                 break;
 588                                         }
 589                                         if (isteletext && (isaudio || isvideo))
 590                                         {
 591                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 592                                                 continue; // continue with next PID
 593                                         }
 594                                         else if (issubtitle && (isaudio || isvideo))
 595                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 596                                         else if (isaudio && isvideo)
 597                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 598                                         if (issubtitle) // continue with next PID
 599                                                 continue;
 600                                         else if (isvideo)
 601                                         {
 602                                                 video.pid = (*es)->getPid();
 603                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 604                                                 {
 605                                                         program.videoStreams.push_back(program.videoStreams[0]);
 606                                                         program.videoStreams[0] = video;
 607                                                 }
 608                                                 else
 609                                                         program.videoStreams.push_back(video);
 610                                         }
 611                                         else if (isaudio)
 612                                         {
 613                                                 audio.pid = (*es)->getPid();
 614
 615                                                         /* if we find the cached pids, this will be our default stream */
 616                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 617                                                         program.defaultAudioStream = program.audioStreams.size();
 618
 619                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 620                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 621                                                         first_ac3 = program.audioStreams.size();
 622
 623                                                 program.audioStreams.push_back(audio);
 624                                                 prev_audio = &program.audioStreams.back();
 625                                         }
 626                                         else
 627                                                 continue;
 628                                 }
 629                         }
 630                         ret = 0;
 631
 632                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 633                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 634                            (note: if an ac3 audio stream was selected before, this will be also stored
 635                            in 'fisrt_ac3', so we don't need to worry. */
 636                         bool defaultac3 = false;
 637                         std::string default_ac3;
 638
 639                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 640                                 defaultac3 = default_ac3 == "True";
 641
 642                         if (defaultac3 && (first_ac3 != -1))
 643                                 program.defaultAudioStream = first_ac3;
 644
 645                         m_cached_program = program;
 646                         m_have_cached_program = true;
 647                 }
 648         } else if ( m_service && !m_service->cacheEmpty() )
 649         {
 650                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 651                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 652                         cnt=0;
 653                 if ( vpidtype == -1 )
 654                         vpidtype = videoStream::vtMPEG2;
 655                 if ( cached_vpid != -1 )
 656                 {
 657                         videoStream s;
 658                         s.pid = cached_vpid;
 659                         s.type = vpidtype;
 660                         program.videoStreams.push_back(s);
 661                         ++cnt;
 662                 }
 663                 if ( cached_apid_ac3 != -1 )
 664                 {
 665                         audioStream s;
 666                         s.type = audioStream::atAC3;
 667                         s.pid = cached_apid_ac3;
 668                         s.rdsPid = -1;
 669                         program.audioStreams.push_back(s);
 670                         ++cnt;
 671                 }
 672                 if ( cached_apid_mpeg != -1 )
 673                 {
 674                         audioStream s;
 675                         s.type = audioStream::atMPEG;
 676                         s.pid = cached_apid_mpeg;
 677                         s.rdsPid = -1;
 678                         program.audioStreams.push_back(s);
 679                         ++cnt;
 680                 }
 681                 if ( cached_pcrpid != -1 )
 682                 {
 683                         ++cnt;
 684                         program.pcrPid = cached_pcrpid;
 685                 }
 686                 if ( cached_tpid != -1 )
 687                 {
 688                         ++cnt;
 689                         program.textPid = cached_tpid;
 690                 }
 691                 CAID_LIST &caids = m_service->m_ca;
 692                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it) {
 693                         program::capid_pair pair;
 694                         pair.caid = *it;
 695                         pair.capid = -1; // not known yet
 696                         program.caids.push_back(pair);
 697                 }
 698                 if ( cnt )
 699                         ret = 0;
 700         }
 701         return ret;
 702 }
 703
 704 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 705 {
 706         channel = m_channel;
 707         if (channel)
 708                 return 0;
 709         else
 710                 return -1;
 711 }
 712
 713 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 714 {
 715         demux = m_demux;
 716         if (demux)
 717                 return 0;
 718         else
 719                 return -1;
 720 }
 721
 722 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 723 {
 724         int ret=0;
 725                 /* if we're using the decoding demux as data source
 726                    (for example in pvr playbacks), return that one. */
 727         if (m_use_decode_demux)
 728         {
 729                 demux = m_demux;
 730                 return ret;
 731         }
 732
 733         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 734
 735         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 736         if (!ret)
 737                 demux->getCADemuxID(m_decode_demux_num);
 738
 739         return ret;
 740 }
 741
 742 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 743 {
 744         pvr_channel = m_pvr_channel;
 745         if (pvr_channel)
 746                 return 0;
 747         else
 748                 return -1;
 749 }
 750
 751 void eDVBServicePMTHandler::SDTScanEvent(int event)
 752 {
 753         switch (event)
 754         {
 755                 case eDVBScan::evtFinish:
 756                 {
 757                         ePtr<iDVBChannelList> db;
 758                         if (m_resourceManager->getChannelList(db) != 0)
 759                                 eDebug("no channel list");
 760                         else
 761                         {
 762                                 eDVBChannelID chid;
 763                                 m_reference.getChannelID(chid);
 764                                 if (chid == m_dvb_scan->getCurrentChannelID())
 765                                 {
 766                                         m_dvb_scan->insertInto(db, true);
 767                                         eDebug("sdt update done!");
 768                                 }
 769                                 else
 770                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 771                         }
 772                         break;
 773                 }
 774
 775                 default:
 776                         break;
 777         }
 778 }
 779
 780 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 781 {
 782         ePtr<iTsSource> s;
 783         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 784 }
 785
 786 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service, bool isstreamclient)
 787 {
 788         RESULT res=0;
 789         m_reference = ref;
 790         m_use_decode_demux = use_decode_demux;
 791         m_no_pat_entry_delay->stop();
 792         m_isstreamclient = isstreamclient;
 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                 eDVBChannelID chid;
 837                 if (m_isstreamclient) ref.getChannelID(chid);
 838                 res = m_resourceManager->allocatePVRChannel(chid, m_pvr_channel);
 839                 if (res)
 840                         eDebug("allocatePVRChannel failed!\n");
 841                 m_channel = m_pvr_channel;
 842         }
 843
 844         if (!simulate)
 845         {
 846                 if (m_channel)
 847                 {
 848                         m_channel->connectStateChange(
 849                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 850                                 m_channelStateChanged_connection);
 851                         m_last_channel_state = -1;
 852                         channelStateChanged(m_channel);
 853
 854                         m_channel->connectEvent(
 855                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 856                                 m_channelEvent_connection);
 857
 858                         if (ref.path.empty())
 859                         {
 860                                 m_dvb_scan = 0;
 861                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 862                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 863                         }
 864                 } else
 865                 {
 866                         if (res == eDVBResourceManager::errAllSourcesBusy)
 867                                 serviceEvent(eventNoResources);
 868                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 869                                 serviceEvent(eventMisconfiguration);
 870                         return res;
 871                 }
 872
 873                 if (m_pvr_channel)
 874                 {
 875                         m_pvr_channel->setCueSheet(cue);
 876
 877                         if (m_pvr_channel->getDemux(m_pvr_demux_tmp, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
 878                         {
 879                                 if (m_isstreamclient)
 880                                 {
 881                                         eDebug("Allocating %s-decoding a demux for http channel failed.", m_use_decode_demux ? "" : "non-");
 882                                         return -2;
 883                                 }
 884                                 else
 885                                         eDebug("Allocating %s-decoding a demux for PVR channel failed.", m_use_decode_demux ? "" : "non-");
 886                         }
 887                         else if (source)
 888                                 m_pvr_channel->playSource(source, streaminfo_file);
 889                         else
 890                                 m_pvr_channel->playFile(ref.path.c_str());
 891                 }
 892         }
 893
 894         return res;
 895 }
 896
 897 void eDVBServicePMTHandler::free()
 898 {
 899         m_dvb_scan = 0;
 900
 901         if (m_ca_servicePtr)
 902         {
 903                 int demuxes[2] = {0,0};
 904                 uint8_t tmp;
 905                 m_demux->getCADemuxID(tmp);
 906                 demuxes[0]=tmp;
 907                 if (m_decode_demux_num != 0xFF)
 908                         demuxes[1]=m_decode_demux_num;
 909                 else
 910                         demuxes[1]=demuxes[0];
 911                 ePtr<eTable<ProgramMapSection> > ptr;
 912                 m_PMT.getCurrent(ptr);
 913                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 914                 m_ca_servicePtr = 0;
 915         }
 916
 917         if (m_channel)
 918                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 919
 920         if (m_pvr_channel)
 921         {
 922                 m_pvr_channel->stopFile();
 923                 m_pvr_channel->setCueSheet(0);
 924         }
 925
 926         m_PMT.stop();
 927         m_PAT.stop();
 928         m_service = 0;
 929         m_channel = 0;
 930         m_pvr_channel = 0;
 931         m_demux = 0;
 932 }
 933
 934 CAServiceMap eDVBCAService::exist;
 935 ChannelMap eDVBCAService::exist_channels;
 936 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 937
 938 eDVBCAService::eDVBCAService()
 939         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 940 {
 941         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 942         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 943         Connect();
 944 }
 945
 946 eDVBCAService::~eDVBCAService()
 947 {
 948         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 949         ::close(m_sock);
 950 }
 951
 952 // begin static methods
 953 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 954 {
 955         CAServiceMap::iterator it = exist.find(ref);
 956         if ( it != exist.end() )
 957                 caservice = it->second;
 958         else
 959         {
 960                 caservice = (exist[ref]=new eDVBCAService());
 961                 caservice->m_service = ref;
 962                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 963         }
 964
 965         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 966         for (int i=0; i < loops; ++i)
 967         {
 968 // search free demux entry
 969                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 970
 971                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 972                         ++iter;
 973
 974                 if ( iter < max_demux_slots )
 975                 {
 976                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 977                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 978                 }
 979                 else
 980                 {
 981                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 982                         return -1;
 983                 }
 984         }
 985         return 0;
 986 }
 987
 988 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 989 {
 990         CAServiceMap::iterator it = exist.find(ref);
 991         if ( it == exist.end() )
 992         {
 993                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 994                 return -1;
 995         }
 996         else
 997         {
 998                 eDVBCAService *caservice = it->second;
 999                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
1000                 for (int i=0; i < loops; ++i)
1001                 {
1002                         bool freed = false;
1003                         int iter = 0,
1004                                 used_demux_slots = 0,
1005                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
1006                         while ( iter < max_demux_slots )
1007                         {
1008                                 if ( caservice->m_used_demux[iter] != 0xFF )
1009                                 {
1010                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
1011                                         {
1012                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
1013                                                 caservice->m_used_demux[iter] = 0xFF;
1014                                                 freed=true;
1015                                         }
1016                                         else
1017                                                 ++used_demux_slots;
1018                                 }
1019                                 ++iter;
1020                         }
1021                         if (!freed)
1022                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
1023                         if (i || loops == 1)
1024                         {
1025                                 if (!used_demux_slots)  // no more used.. so we remove it
1026                                 {
1027                                         delete it->second;
1028                                         exist.erase(it);
1029                                 }
1030                                 else
1031                                 {
1032                                         if (ptr)
1033                                                 it->second->buildCAPMT(ptr);
1034                                         else
1035                                                 eDebug("[eDVBCAService] can not send updated demux info");
1036                                 }
1037                         }
1038                 }
1039         }
1040         return 0;
1041 }
1042
1043 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
1044 {
1045         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
1046 }
1047
1048 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
1049 {
1050         if ( chan )
1051         {
1052                 eDebug("[eDVBCAService] new channel %p!", chan);
1053                 channel_data *data = new channel_data();
1054                 data->m_channel = chan;
1055                 data->m_prevChannelState = -1;
1056                 data->m_dataDemux = -1;
1057                 exist_channels[chan] = data;
1058                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
1059         }
1060 }
1061
1062 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
1063 {
1064         ChannelMap::iterator it =
1065                 exist_channels.find(chan);
1066         if ( it != exist_channels.end() )
1067         {
1068                 int state=0;
1069                 chan->getState(state);
1070                 if ( it->second->m_prevChannelState != state )
1071                 {
1072                         switch (state)
1073                         {
1074                                 case iDVBChannel::state_ok:
1075                                 {
1076                                         eDebug("[eDVBCAService] channel %p running", chan);
1077                                         break;
1078                                 }
1079                                 case iDVBChannel::state_release:
1080                                 {
1081                                         eDebug("[eDVBCAService] remove channel %p", chan);
1082                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
1083                                         msg[7] = it->second->m_dataDemux & 0xFF;
1084                                         int sock, clilen;
1085                                         struct sockaddr_un servaddr;
1086                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1087                                         servaddr.sun_family = AF_UNIX;
1088                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1089                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1090                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1091                                         if (sock > -1)
1092                                         {
1093                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1094                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1095                                                 int val=1;
1096                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1097                                                 if (write(sock, msg, 8) != 8)
1098                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1099                                                 close(sock);
1100                                         }
1101                                         exist_channels.erase(it);
1102                                         delete it->second;
1103                                         it->second=0;
1104                                         break;
1105                                 }
1106                                 default: // ignore all other events
1107                                         return;
1108                         }
1109                         if (it->second)
1110                                 it->second->m_prevChannelState = state;
1111                 }
1112         }
1113 }
1114
1115 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1116 {
1117         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1118         {
1119                 if (chid == it->second->m_channel->getChannelID())
1120                         return it->second;
1121         }
1122         return 0;
1123 }
1124 // end static methods
1125
1126 #define CA_REPLY_DEBUG
1127 #define MAX_LENGTH_BYTES 4
1128 #define MIN_LENGTH_BYTES 1
1129
1130 void eDVBCAService::socketCB(int what)
1131 {
1132         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1133         {
1134                 char msgbuffer[4096];
1135                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1136                 if (length == -1)
1137                 {
1138                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1139                         {
1140                                 eDebug("[eSocketMMIHandler] read (%m)");
1141                                 what |= eSocketNotifier::Error;
1142                         }
1143                 } else if (length == 0)
1144                 {
1145                         what |= eSocketNotifier::Hungup;
1146                 } else
1147                 {
1148                         int len = length;
1149                         unsigned char *data = (unsigned char*)msgbuffer;
1150                         int clear = 1;
1151         // If a new message starts, then the previous message
1152         // should already have been processed. Otherwise the
1153         // previous message was incomplete and should therefore
1154         // be deleted.
1155                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1156                                 clear = 0;
1157                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1158                                 clear = 0;
1159                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1160                                 clear = 0;
1161                         if (clear)
1162                         {
1163                                 m_buffer.clear();
1164 #ifdef CA_REPLY_DEBUG
1165                                 eDebug("clear buffer");
1166 #endif
1167                         }
1168 #ifdef CA_REPLY_DEBUG
1169                         eDebug("Put to buffer:");
1170                         for (int i=0; i < len; ++i)
1171                                 eDebugNoNewLine("%02x ", data[i]);
1172                         eDebug("\n--------");
1173 #endif
1174                         m_buffer.write( data, len );
1175
1176                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1177                         {
1178                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1179                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1180                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1181                                 {
1182                                         m_buffer.skip(1);
1183 #ifdef CA_REPLY_DEBUG
1184                                         eDebug("skip %02x", tmp[0]);
1185 #endif
1186                                         continue;
1187                                 }
1188                                 if (tmp[3] & 0x80)
1189                                 {
1190                                         int peekLength = (tmp[3] & 0x7f) + 4;
1191                                         if (m_buffer.size() < peekLength)
1192                                                 continue;
1193                                         m_buffer.peek(tmp, peekLength);
1194                                 }
1195                                 int size=0;
1196                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1197                                 int messageLength = 3+LengthBytes+size;
1198                                 if ( m_buffer.size() >= messageLength )
1199                                 {
1200                                         unsigned char dest[messageLength];
1201                                         m_buffer.read(dest, messageLength);
1202 #ifdef CA_REPLY_DEBUG
1203                                         eDebug("dump ca reply:");
1204                                         for (int i=0; i < messageLength; ++i)
1205                                                 eDebugNoNewLine("%02x ", dest[i]);
1206                                         eDebug("\n--------");
1207 #endif
1208 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1209                                 }
1210                         }
1211                 }
1212         }
1213         if (what & eSocketNotifier::Hungup) {
1214                 /*eDebug("[eDVBCAService] connection closed")*/;
1215                 m_sendstate=1;
1216                 sendCAPMT();
1217         }
1218         if (what & eSocketNotifier::Error)
1219                 eDebug("[eDVBCAService] connection error");
1220 }
1221
1222 void eDVBCAService::Connect()
1223 {
1224         m_sn=0;
1225         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1226         m_servaddr.sun_family = AF_UNIX;
1227         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1228         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1229         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1230         if (m_sock != -1)
1231         {
1232                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1233                 {
1234                         int val=1;
1235                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1236                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1237                         m_sn = eSocketNotifier::create(eApp, m_sock,
1238                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1239                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1240
1241                 }
1242 //              else
1243 //                      eDebug("[eDVBCAService] connect failed %m");
1244         }
1245         else
1246                 eDebug("[eDVBCAService] create socket failed %m");
1247 }
1248
1249 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1250 {
1251         if (!ptr)
1252                 return;
1253
1254         eDVBTableSpec table_spec;
1255         ptr->getSpec(table_spec);
1256
1257         int pmtpid = table_spec.pid,
1258                 pmt_version = table_spec.version;
1259
1260         uint8_t demux_mask = 0;
1261         int data_demux = -1;
1262
1263         int iter=0, max_demux_slots = sizeof(m_used_demux);
1264         while ( iter < max_demux_slots )
1265         {
1266                 if ( m_used_demux[iter] != 0xFF )
1267                 {
1268                         if ( m_used_demux[iter] > data_demux )
1269                                 data_demux = m_used_demux[iter];
1270                         demux_mask |= (1 << m_used_demux[iter]);
1271                 }
1272                 ++iter;
1273         }
1274
1275         if ( data_demux == -1 )
1276         {
1277                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1278                 return;
1279         }
1280
1281         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1282
1283         unsigned int build_hash = ( pmtpid << 16);
1284         build_hash |= (demux_mask << 8);
1285         build_hash |= (pmt_version&0xFF);
1286
1287         if ( build_hash == m_prev_build_hash )
1288         {
1289                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1290                 return;
1291         }
1292
1293         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1294         if ( i != ptr->getSections().end() )
1295         {
1296                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1297
1298                 while( i != ptr->getSections().end() )
1299                 {
1300 //                      eDebug("append");
1301                         capmt.append(*i++);
1302                 }
1303
1304                 // add our private descriptors to capmt
1305                 uint8_t tmp[10];
1306
1307                 tmp[0]=0x84;  // pmt pid
1308                 tmp[1]=0x02;
1309                 tmp[2]=pmtpid>>8;
1310                 tmp[3]=pmtpid&0xFF;
1311                 capmt.injectDescriptor(tmp, false);
1312
1313                 tmp[0] = 0x82; // demux
1314                 tmp[1] = 0x02;
1315                 tmp[2] = demux_mask;    // descramble bitmask
1316                 tmp[3] = data_demux&0xFF; // read section data from demux number
1317                 capmt.injectDescriptor(tmp, false);
1318
1319                 tmp[0] = 0x81; // dvbnamespace
1320                 tmp[1] = 0x08;
1321                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1322                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1323                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1324                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1325                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1326                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1327                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1328                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1329                 capmt.injectDescriptor(tmp, false);
1330
1331                 capmt.writeToBuffer(m_capmt);
1332         }
1333
1334         m_prev_build_hash = build_hash;
1335
1336         if ( m_sendstate != 0xFFFFFFFF )
1337                 m_sendstate=0;
1338         sendCAPMT();
1339 }
1340
1341 void eDVBCAService::sendCAPMT()
1342 {
1343         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1344         {
1345                 ::close(m_sock);
1346                 Connect();
1347         }
1348
1349         int wp=0;
1350         if ( m_capmt[3] & 0x80 )
1351         {
1352                 int i=0;
1353                 int lenbytes = m_capmt[3] & ~0x80;
1354                 while(i < lenbytes)
1355                         wp = (wp << 8) | m_capmt[4 + i++];
1356                 wp+=4;
1357                 wp+=lenbytes;
1358         }
1359         else
1360         {
1361                 wp = m_capmt[3];
1362                 wp+=4;
1363         }
1364
1365         if ( write(m_sock, m_capmt, wp) == wp )
1366         {
1367                 m_sendstate=0xFFFFFFFF;
1368                 eDebug("[eDVBCAService] send %d bytes",wp);
1369                 eDVBChannelID chid;
1370                 m_service.getChannelID(chid);
1371                 channel_data *data = getChannelData(chid);
1372                 if (data)
1373                 {
1374                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1375                         data->m_dataDemux = m_capmt[24+lenbytes];
1376                 }
1377 #if 1
1378                 for(int i=0;i<wp;i++)
1379                         eDebugNoNewLine("%02x ", m_capmt[i]);
1380                 eDebug("");
1381 #endif
1382         }
1383         else
1384         {
1385                 switch(m_sendstate)
1386                 {
1387                         case 0xFFFFFFFF:
1388                                 ++m_sendstate;
1389                                 m_retryTimer->start(0,true);
1390 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1391                                 break;
1392                         default:
1393                                 m_retryTimer->start(5000,true);
1394 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1395                                 break;
1396                 }
1397                 ++m_sendstate;
1398         }
1399 }
1400
1401 static PyObject *createTuple(int pid, const char *type)
1402 {
1403         PyObject *r = PyTuple_New(2);
1404         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1405         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1406         return r;
1407 }
1408
1409 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1410 {
1411         PyList_Append(list, item);
1412         Py_DECREF(item);
1413 }
1414
1415 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1416
1417 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1418 {
1419         ePyObject r = PyDict_New();
1420         ePyObject l = PyList_New(0);
1421
1422         PyList_AppendSteal(l, createTuple(0, "pat"));
1423
1424         if (pmtPid != -1)
1425                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1426
1427         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1428                         i(videoStreams.begin());
1429                         i != videoStreams.end(); ++i)
1430                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1431
1432         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1433                         i(audioStreams.begin());
1434                         i != audioStreams.end(); ++i)
1435                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1436
1437         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1438                         i(subtitleStreams.begin());
1439                         i != subtitleStreams.end(); ++i)
1440                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1441
1442         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1443
1444         if (textPid != -1)
1445                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1446
1447         PutToDict(r, "pids", l);
1448
1449         return r;
1450 }