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                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  48                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  49
  50                 serviceEvent(eventTuned);
  51
  52                 if (m_demux)
  53                 {
  54                         eDebug("ok ... now we start!!");
  55
  56                         if (!m_service || m_service->usePMT())
  57                         {
  58                                 if (m_pmt_pid == -1)
  59                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  60                                 else
  61                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  62                         }
  63
  64                         if ( m_service && !m_service->cacheEmpty() )
  65                                 serviceEvent(eventNewProgramInfo);
  66                 }
  67         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  68                         (state == iDVBChannel::state_failed))
  69         {
  70                 eDebug("tune failed.");
  71                 serviceEvent(eventTuneFailed);
  72         }
  73 }
  74
  75 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  76 {
  77         switch (event)
  78         {
  79         case iDVBChannel::evtPreStart:
  80                 serviceEvent(eventPreStart);
  81                 break;
  82         case iDVBChannel::evtEOF:
  83                 serviceEvent(eventEOF);
  84                 break;
  85         case iDVBChannel::evtSOF:
  86                 serviceEvent(eventSOF);
  87                 break;
  88         default:
  89                 break;
  90         }
  91 }
  92
  93 void eDVBServicePMTHandler::PMTready(int error)
  94 {
  95         if (error)
  96                 serviceEvent(eventNoPMT);
  97         else
  98         {
  99                 m_have_cached_program = false;
 100                 serviceEvent(eventNewProgramInfo);
 101                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
 102                 {
 103                         eEPGCache::getInstance()->PMTready(this);
 104                         if(!m_ca_servicePtr)
 105                         {
 106                                 int demuxes[2] = {0,0};
 107                                 uint8_t tmp;
 108                                 m_demux->getCADemuxID(tmp);
 109                                 demuxes[0]=tmp;
 110                                 if (m_decode_demux_num != 0xFF)
 111                                         demuxes[1]=m_decode_demux_num;
 112                                 else
 113                                         demuxes[1]=demuxes[0];
 114                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 115                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 116                         }
 117                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 118                 }
 119                 if (m_ca_servicePtr)
 120                 {
 121                         ePtr<eTable<ProgramMapSection> > ptr;
 122                         if (!m_PMT.getCurrent(ptr))
 123                                 m_ca_servicePtr->buildCAPMT(ptr);
 124                         else
 125                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 126                 }
 127         }
 128 }
 129
 130 void eDVBServicePMTHandler::sendEventNoPatEntry()
 131 {
 132         serviceEvent(eventNoPATEntry);
 133 }
 134
 135 void eDVBServicePMTHandler::PATready(int)
 136 {
 137         eDebug("PATready");
 138         ePtr<eTable<ProgramAssociationSection> > ptr;
 139         if (!m_PAT.getCurrent(ptr))
 140         {
 141                 int service_id_single = -1;
 142                 int pmtpid_single = -1;
 143                 int pmtpid = -1;
 144                 int cnt=0;
 145                 std::vector<ProgramAssociationSection*>::const_iterator i;
 146                 for (i = ptr->getSections().begin(); pmtpid == -1 && i != ptr->getSections().end(); ++i)
 147                 {
 148                         const ProgramAssociationSection &pat = **i;
 149                         ProgramAssociationConstIterator program;
 150                         for (program = pat.getPrograms()->begin(); pmtpid == -1 && program != pat.getPrograms()->end(); ++program)
 151                         {
 152                                 ++cnt;
 153                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 154                                         pmtpid = (*program)->getProgramMapPid();
 155                                 if (++cnt == 1 && pmtpid_single == -1 && pmtpid == -1)
 156                                 {
 157                                         pmtpid_single = (*program)->getProgramMapPid();
 158                                         service_id_single = (*program)->getProgramNumber();
 159                                 }
 160                                 else
 161                                         pmtpid_single = service_id_single = -1;
 162                         }
 163                 }
 164                 if (pmtpid_single != -1) // only one PAT entry .. and not valid pmtpid found
 165                 {
 166                         eDebug("use single pat entry!");
 167                         m_reference.setServiceID(eServiceID(service_id_single));
 168                         pmtpid = pmtpid_single;
 169                 }
 170                 if (pmtpid == -1) {
 171                         eDebug("no PAT entry found.. start delay");
 172                         m_no_pat_entry_delay->start(1000, true);
 173                 }
 174                 else {
 175                         eDebug("use pmtpid %04x for service_id %04x", pmtpid, m_reference.getServiceID().get());
 176                         m_no_pat_entry_delay->stop();
 177                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 178                 }
 179         } else
 180                 serviceEvent(eventNoPAT);
 181 }
 182
 183 PyObject *eDVBServicePMTHandler::getCaIds()
 184 {
 185         ePyObject ret;
 186
 187         program prog;
 188
 189         if ( !getProgramInfo(prog) )
 190         {
 191                 int cnt=prog.caids.size();
 192                 if (cnt)
 193                 {
 194                         ret=PyList_New(cnt);
 195                         std::set<uint16_t>::iterator it(prog.caids.begin());
 196                         while(cnt--)
 197                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 198                 }
 199         }
 200
 201         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 202 }
 203
 204 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 205 {
 206         ePtr<eTable<ProgramMapSection> > ptr;
 207         int cached_apid_ac3 = -1;
 208         int cached_apid_mpeg = -1;
 209         int cached_vpid = -1;
 210         int cached_tpid = -1;
 211         int ret = -1;
 212
 213         program.videoStreams.clear();
 214         program.audioStreams.clear();
 215         program.pcrPid = -1;
 216         program.pmtPid = -1;
 217         program.textPid = -1;
 218
 219         int first_ac3 = -1;
 220         program.defaultAudioStream = 0;
 221         audioStream *prev_audio = 0;
 222
 223         if ( m_service && !m_service->cacheEmpty() )
 224         {
 225                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 226                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 227                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 228                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 229         }
 230
 231         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 232         {
 233                 if (m_have_cached_program)
 234                 {
 235                         program = m_cached_program;
 236                         ret = 0;
 237                 }
 238                 else
 239                 {
 240                         eDVBTableSpec table_spec;
 241                         ptr->getSpec(table_spec);
 242                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 243                         std::vector<ProgramMapSection*>::const_iterator i;
 244                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 245                         {
 246                                 const ProgramMapSection &pmt = **i;
 247                                 int is_hdmv = 0;
 248
 249                                 program.pcrPid = pmt.getPcrPid();
 250
 251                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 252                                         desc != pmt.getDescriptors()->end(); ++desc)
 253                                 {
 254                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 255                                         {
 256                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 257                                                 program.caids.insert(descr->getCaSystemId());
 258                                         }
 259                                         else if ((*desc)->getTag() == REGISTRATION_DESCRIPTOR)
 260                                         {
 261                                                 RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 262                                                 if (d->getFormatIdentifier() == 0x48444d56) // HDMV
 263                                                         is_hdmv = 1;
 264                                         }
 265                                 }
 266
 267                                 ElementaryStreamInfoConstIterator es;
 268                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 269                                 {
 270                                         int isaudio = 0, isvideo = 0, issubtitle = 0, forced_video = 0, forced_audio = 0, isteletext = 0;
 271                                         int streamtype = (*es)->getType();
 272                                         videoStream video;
 273                                         audioStream audio;
 274                                         audio.component_tag=video.component_tag=-1;
 275                                         video.type = videoStream::vtMPEG2;
 276                                         audio.type = audioStream::atMPEG;
 277                                         audio.rdsPid = -1;
 278
 279                                         switch (streamtype)
 280                                         {
 281                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 282                                                 video.type = videoStream::vtMPEG4_H264;
 283                                                 isvideo = 1;
 284                                                 //break; fall through !!!
 285                                         case 0x10: // MPEG 4 Part 2
 286                                                 if (!isvideo)
 287                                                 {
 288                                                         video.type = videoStream::vtMPEG4_Part2;
 289                                                         isvideo = 1;
 290                                                 }
 291                                                 //break; fall through !!!
 292                                         case 0x01: // MPEG 1 video
 293                                                 if (!isvideo)
 294                                                         video.type = videoStream::vtMPEG1;
 295                                                 //break; fall through !!!
 296                                         case 0x02: // MPEG 2 video
 297                                                 isvideo = 1;
 298                                                 forced_video = 1;
 299                                                 //break; fall through !!!
 300                                         case 0x03: // MPEG 1 audio
 301                                         case 0x04: // MPEG 2 audio:
 302                                                 if (!isvideo) {
 303                                                         isaudio = 1;
 304                                                         forced_audio = 1;
 305                                                 }
 306                                                 //break; fall through !!!
 307                                         case 0x0f: // MPEG 2 AAC
 308                                                 if (!isvideo && !isaudio)
 309                                                 {
 310                                                         isaudio = 1;
 311                                                         audio.type = audioStream::atAAC;
 312                                                         forced_audio = 1;
 313                                                 }
 314                                                 //break; fall through !!!
 315                                         case 0x11: // MPEG 4 AAC
 316                                                 if (!isvideo && !isaudio)
 317                                                 {
 318                                                         isaudio = 1;
 319                                                         audio.type = audioStream::atAACHE;
 320                                                         forced_audio = 1;
 321                                                 }
 322                                         case 0x80: // user private ... but bluray LPCM
 323                                         case 0xA0: // bluray secondary LPCM
 324                                                 if (!isvideo && !isaudio && is_hdmv)
 325                                                 {
 326                                                         isaudio = 1;
 327                                                         audio.type = audioStream::atLPCM;
 328                                                 }
 329                                         case 0x81: // user private ... but bluray AC3
 330                                         case 0xA1: // bluray secondary AC3
 331                                                 if (!isvideo && !isaudio && is_hdmv)
 332                                                 {
 333                                                         isaudio = 1;
 334                                                         audio.type = audioStream::atAC3;
 335                                                 }
 336                                         case 0x82: // bluray DTS (dvb user private...)
 337                                         case 0xA2: // bluray secondary DTS
 338                                                 if (!isvideo && !isaudio && is_hdmv)
 339                                                 {
 340                                                         isaudio = 1;
 341                                                         audio.type = audioStream::atDTS;
 342                                                 }
 343                                         case 0x86: // bluray DTS-HD (dvb user private...)
 344                                         case 0xA6: // bluray secondary DTS-HD
 345                                                 if (!isvideo && !isaudio && is_hdmv)
 346                                                 {
 347                                                         isaudio = 1;
 348                                                         audio.type = audioStream::atDTSHD;
 349                                                 }
 350                                         case 0x06: // PES Private
 351                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 352                                         {
 353                                                 int num_descriptors = 0;
 354                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 355                                                         desc != (*es)->getDescriptors()->end(); ++desc)
 356                                                 {
 357                                                         uint8_t tag = (*desc)->getTag();
 358                                                         /* check descriptors to get the exakt stream type. */
 359                                                         ++num_descriptors;
 360                                                         if (!forced_video && !forced_audio)
 361                                                         {
 362                                                                 switch (tag)
 363                                                                 {
 364                                                                 case AUDIO_STREAM_DESCRIPTOR:
 365                                                                         isaudio = 1;
 366                                                                         break;
 367                                                                 case VIDEO_STREAM_DESCRIPTOR:
 368                                                                 {
 369                                                                         isvideo = 1;
 370                                                                         VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 371                                                                         if (d->getMpeg1OnlyFlag())
 372                                                                                 video.type = videoStream::vtMPEG1;
 373                                                                         break;
 374                                                                 }
 375                                                                 case SUBTITLING_DESCRIPTOR:
 376                                                                 {
 377                                                                         SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 378                                                                         const SubtitlingList *list = d->getSubtitlings();
 379                                                                         subtitleStream s;
 380                                                                         s.pid = (*es)->getPid();
 381                                                                         for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 382                                                                         {
 383                                                                                 s.subtitling_type = (*it)->getSubtitlingType();
 384                                                                                 switch(s.subtitling_type)
 385                                                                                 {
 386                                                                                 case 0x10 ... 0x13:
 387                                                                                 case 0x20 ... 0x23: // dvb subtitles
 388                                                                                         break;
 389                                                                                 default:
 390                                                                                         eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 391                                                                                                 s.language_code.c_str(), s.pid, s.subtitling_type);
 392                                                                                         s.subtitling_type = 0x10;
 393                                                                                         break;
 394                                                                                 }
 395                                                                                 s.composition_page_id = (*it)->getCompositionPageId();
 396                                                                                 s.ancillary_page_id = (*it)->getAncillaryPageId();
 397                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 398 //                                                                              eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 399 //                                                                                      s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 400                                                                                 issubtitle=1;
 401                                                                                 program.subtitleStreams.push_back(s);
 402                                                                         }
 403                                                                         break;
 404                                                                 }
 405                                                                 case TELETEXT_DESCRIPTOR:
 406                                                                         if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 407                                                                         {
 408                                                                                 subtitleStream s;
 409                                                                                 s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 410                                                                                 s.pid = program.textPid = (*es)->getPid();
 411                                                                                 TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 412                                                                                 isteletext = 1;
 413                                                                                 const VbiTeletextList *list = d->getVbiTeletexts();
 414                                                                                 for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 415                                                                                 {
 416                                                                                         switch((*it)->getTeletextType())
 417                                                                                         {
 418                                                                                         case 0x02: // Teletext subtitle page
 419                                                                                         case 0x05: // Teletext subtitle page for hearing impaired pepople
 420                                                                                                 s.language_code = (*it)->getIso639LanguageCode();
 421                                                                                                 s.teletext_page_number = (*it)->getTeletextPageNumber();
 422                                                                                                 s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 423 //                                                                                              eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 424 //                                                                                                      s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 425                                                                                                 program.subtitleStreams.push_back(s);
 426                                                                                                 issubtitle=1;
 427                                                                                         default:
 428                                                                                                 break;
 429                                                                                         }
 430                                                                                 }
 431                                                                         }
 432                                                                         break;
 433                                                                 case DTS_DESCRIPTOR:
 434                                                                         isaudio = 1;
 435                                                                         audio.type = audioStream::atDTS;
 436                                                                         break;
 437                                                                 case 0x2B: // TS_PSI_DT_MPEG2_AAC
 438                                                                         isaudio = 1;
 439                                                                         audio.type = audioStream::atAAC; // MPEG2-AAC
 440                                                                         break;
 441                                                                 case 0x1C: // TS_PSI_DT_MPEG4_Audio
 442                                                                 case AAC_DESCRIPTOR:
 443                                                                         isaudio = 1;
 444                                                                         audio.type = audioStream::atAACHE; // MPEG4-AAC
 445                                                                         break;
 446                                                                 case AC3_DESCRIPTOR:
 447                                                                         isaudio = 1;
 448                                                                         audio.type = audioStream::atAC3;
 449                                                                         break;
 450                                                                 case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 451                                                                 {
 452                                                                         RegistrationDescriptor *d = (RegistrationDescriptor*)(*desc);
 453                                                                         switch (d->getFormatIdentifier())
 454                                                                         {
 455                                                                         case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 456                                                                                 isaudio = 1;
 457                                                                                 audio.type = audioStream::atDTS;
 458                                                                                 break;
 459                                                                         case 0x41432d33: // == 'AC-3'
 460                                                                                 isaudio = 1;
 461                                                                                 audio.type = audioStream::atAC3;
 462                                                                                 break;
 463                                                                         case 0x42535344: // == 'BSSD' (LPCM)
 464                                                                                 isaudio = 1;
 465                                                                                 audio.type = audioStream::atLPCM;
 466                                                                                 break;
 467                                                                         case 0x56432d31: // == 'VC-1'
 468                                                                         {
 469                                                                                 const AdditionalIdentificationInfoVector *vec = d->getAdditionalIdentificationInfo();
 470                                                                                 if (vec->size() > 1 && (*vec)[0] == 0x01) // subdescriptor tag
 471                                                                                 {
 472                                                                                         if ((*vec)[1] >= 0x90) // profile_level
 473                                                                                                 video.type = videoStream::vtVC1; // advanced profile
 474                                                                                         else
 475                                                                                                 video.type = videoStream::vtVC1_SM; // simple main
 476                                                                                         isvideo = 1;
 477                                                                                 }
 478                                                                         }
 479                                                                         default:
 480                                                                                 break;
 481                                                                         }
 482                                                                         break;
 483                                                                 }
 484                                                                 case 0x28: // TS_PSI_DT_AVC
 485                                                                         isvideo = 1;
 486                                                                         video.type = videoStream::vtMPEG4_H264;
 487                                                                         break;
 488                                                                 case 0x1B: // TS_PSI_DT_MPEG4_Video
 489                                                                         isvideo = 1;
 490                                                                         video.type = videoStream::vtMPEG4_Part2;
 491                                                                         break;
 492                                                                 default:
 493                                                                         break;
 494                                                                 }
 495                                                         }
 496                                                         switch (tag)
 497                                                         {
 498                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 499                                                                 if (!isvideo)
 500                                                                 {
 501                                                                         int cnt=0;
 502                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 503                                                                                 /* use last language code */
 504                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 505                                                                         {
 506                                                                                 if (cnt == 0)
 507                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 508                                                                                 else
 509                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 510                                                                         }
 511                                                                 }
 512                                                                 break;
 513                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 514                                                                 audio.component_tag =
 515                                                                         video.component_tag =
 516                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 517                                                                 break;
 518                                                         case CA_DESCRIPTOR:
 519                                                         {
 520                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 521                                                                 program.caids.insert(descr->getCaSystemId());
 522                                                                 break;
 523                                                         }
 524                                                         default:
 525                                                                 break;
 526                                                         }
 527                                                 }
 528                                                 if (!num_descriptors && streamtype == 0x06 && prev_audio)
 529                                                 {
 530                                                         prev_audio->rdsPid = (*es)->getPid();
 531                                                         eDebug("Rds PID %04x detected ? ! ?", prev_audio->rdsPid);
 532                                                 }
 533                                                 prev_audio = 0;
 534                                         }
 535                                         default:
 536                                                 break;
 537                                         }
 538                                         if (isteletext && (isaudio || isvideo))
 539                                         {
 540                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as teletext!", (*es)->getPid());
 541                                                 continue; // continue with next PID
 542                                         }
 543                                         else if (issubtitle && (isaudio || isvideo))
 544                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as subtitle!", (*es)->getPid());
 545                                         else if (isaudio && isvideo)
 546                                                 eDebug("ambiguous streamtype for PID %04x detected.. forced as video!", (*es)->getPid());
 547                                         if (issubtitle) // continue with next PID
 548                                                 continue;
 549                                         else if (isvideo)
 550                                         {
 551                                                 video.pid = (*es)->getPid();
 552                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 553                                                 {
 554                                                         program.videoStreams.push_back(program.videoStreams[0]);
 555                                                         program.videoStreams[0] = video;
 556                                                 }
 557                                                 else
 558                                                         program.videoStreams.push_back(video);
 559                                         }
 560                                         else if (isaudio)
 561                                         {
 562                                                 audio.pid = (*es)->getPid();
 563
 564                                                         /* if we find the cached pids, this will be our default stream */
 565                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 566                                                         program.defaultAudioStream = program.audioStreams.size();
 567
 568                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 569                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 570                                                         first_ac3 = program.audioStreams.size();
 571
 572                                                 program.audioStreams.push_back(audio);
 573                                                 prev_audio = &program.audioStreams.back();
 574                                         }
 575                                         else
 576                                                 continue;
 577                                 }
 578                         }
 579                         ret = 0;
 580
 581                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 582                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 583                            (note: if an ac3 audio stream was selected before, this will be also stored
 584                            in 'fisrt_ac3', so we don't need to worry. */
 585                         bool defaultac3 = false;
 586                         std::string default_ac3;
 587
 588                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 589                                 defaultac3 = default_ac3 == "True";
 590
 591                         if (defaultac3 && (first_ac3 != -1))
 592                                 program.defaultAudioStream = first_ac3;
 593
 594                         m_cached_program = program;
 595                         m_have_cached_program = true;
 596                 }
 597         } else if ( m_service && !m_service->cacheEmpty() )
 598         {
 599                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 600                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 601                         cnt=0;
 602                 if ( vpidtype == -1 )
 603                         vpidtype = videoStream::vtMPEG2;
 604                 if ( cached_vpid != -1 )
 605                 {
 606                         videoStream s;
 607                         s.pid = cached_vpid;
 608                         s.type = vpidtype;
 609                         program.videoStreams.push_back(s);
 610                         ++cnt;
 611                 }
 612                 if ( cached_apid_ac3 != -1 )
 613                 {
 614                         audioStream s;
 615                         s.type = audioStream::atAC3;
 616                         s.pid = cached_apid_ac3;
 617                         s.rdsPid = -1;
 618                         program.audioStreams.push_back(s);
 619                         ++cnt;
 620                 }
 621                 if ( cached_apid_mpeg != -1 )
 622                 {
 623                         audioStream s;
 624                         s.type = audioStream::atMPEG;
 625                         s.pid = cached_apid_mpeg;
 626                         s.rdsPid = -1;
 627                         program.audioStreams.push_back(s);
 628                         ++cnt;
 629                 }
 630                 if ( cached_pcrpid != -1 )
 631                 {
 632                         ++cnt;
 633                         program.pcrPid = cached_pcrpid;
 634                 }
 635                 if ( cached_tpid != -1 )
 636                 {
 637                         ++cnt;
 638                         program.textPid = cached_tpid;
 639                 }
 640                 CAID_LIST &caids = m_service->m_ca;
 641                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 642                         program.caids.insert(*it);
 643                 if ( cnt )
 644                         ret = 0;
 645         }
 646         return ret;
 647 }
 648
 649 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 650 {
 651         channel = m_channel;
 652         if (channel)
 653                 return 0;
 654         else
 655                 return -1;
 656 }
 657
 658 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 659 {
 660         demux = m_demux;
 661         if (demux)
 662                 return 0;
 663         else
 664                 return -1;
 665 }
 666
 667 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 668 {
 669         int ret=0;
 670                 /* if we're using the decoding demux as data source
 671                    (for example in pvr playbacks), return that one. */
 672         if (m_use_decode_demux)
 673         {
 674                 demux = m_demux;
 675                 return ret;
 676         }
 677
 678         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 679
 680         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 681         if (!ret)
 682                 demux->getCADemuxID(m_decode_demux_num);
 683
 684         return ret;
 685 }
 686
 687 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 688 {
 689         pvr_channel = m_pvr_channel;
 690         if (pvr_channel)
 691                 return 0;
 692         else
 693                 return -1;
 694 }
 695
 696 void eDVBServicePMTHandler::SDTScanEvent(int event)
 697 {
 698         switch (event)
 699         {
 700                 case eDVBScan::evtFinish:
 701                 {
 702                         ePtr<iDVBChannelList> db;
 703                         if (m_resourceManager->getChannelList(db) != 0)
 704                                 eDebug("no channel list");
 705                         else
 706                         {
 707                                 eDVBChannelID chid;
 708                                 m_reference.getChannelID(chid);
 709                                 if (chid == m_dvb_scan->getCurrentChannelID())
 710                                 {
 711                                         m_dvb_scan->insertInto(db, true);
 712                                         eDebug("sdt update done!");
 713                                 }
 714                                 else
 715                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 716                         }
 717                         break;
 718                 }
 719
 720                 default:
 721                         break;
 722         }
 723 }
 724
 725 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 726 {
 727         ePtr<iTsSource> s;
 728         return tuneExt(ref, use_decode_demux, s, NULL, cue, simulate, service);
 729 }
 730
 731 int eDVBServicePMTHandler::tuneExt(eServiceReferenceDVB &ref, int use_decode_demux, ePtr<iTsSource> &source, const char *streaminfo_file, eCueSheet *cue, bool simulate, eDVBService *service)
 732 {
 733         RESULT res=0;
 734         m_reference = ref;
 735         m_use_decode_demux = use_decode_demux;
 736         m_no_pat_entry_delay->stop();
 737
 738                 /* 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 */
 739         m_service = service;
 740
 741                 /* is this a normal (non PVR) channel? */
 742         if (ref.path.empty())
 743         {
 744                 eDVBChannelID chid;
 745                 ref.getChannelID(chid);
 746                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 747                 if (!simulate)
 748                         eDebug("allocate Channel: res %d", res);
 749
 750                 ePtr<iDVBChannelList> db;
 751                 if (!m_resourceManager->getChannelList(db))
 752                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 753
 754                 if (!res && !simulate)
 755                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 756         } else if (!simulate) // no simulation of playback services
 757         {
 758                 if (!ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 759                 {
 760                         eDVBTSTools tstools;
 761                         bool b = source || !tstools.openFile(ref.path.c_str(), 1);
 762                         eWarning("no .meta file found, trying to find PMT pid");
 763                         if (source)
 764                                 tstools.setSource(source, NULL);
 765                         if (b)
 766                         {
 767                                 int service_id, pmt_pid;
 768                                 if (!tstools.findPMT(pmt_pid, service_id))
 769                                 {
 770                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 771                                         m_reference.setServiceID(service_id);
 772                                         m_pmt_pid = pmt_pid;
 773                                 }
 774                         }
 775                         else
 776                                 eWarning("no valid source to find PMT pid!");
 777                 }
 778                 eDebug("alloc PVR");
 779                         /* allocate PVR */
 780                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 781                 if (res)
 782                         eDebug("allocatePVRChannel failed!\n");
 783                 m_channel = m_pvr_channel;
 784         }
 785
 786         if (!simulate)
 787         {
 788                 if (m_channel)
 789                 {
 790                         m_channel->connectStateChange(
 791                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 792                                 m_channelStateChanged_connection);
 793                         m_last_channel_state = -1;
 794                         channelStateChanged(m_channel);
 795
 796                         m_channel->connectEvent(
 797                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 798                                 m_channelEvent_connection);
 799
 800                         if (ref.path.empty())
 801                         {
 802                                 m_dvb_scan = 0;
 803                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 804                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 805                         }
 806                 } else
 807                 {
 808                         if (res == eDVBResourceManager::errAllSourcesBusy)
 809                                 serviceEvent(eventNoResources);
 810                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 811                                 serviceEvent(eventMisconfiguration);
 812                         return res;
 813                 }
 814
 815                 if (m_pvr_channel)
 816                 {
 817                         m_pvr_channel->setCueSheet(cue);
 818                         if (source)
 819                                 m_pvr_channel->playSource(source, streaminfo_file);
 820                         else
 821                                 m_pvr_channel->playFile(ref.path.c_str());
 822                 }
 823         }
 824
 825         return res;
 826 }
 827
 828 void eDVBServicePMTHandler::free()
 829 {
 830         m_dvb_scan = 0;
 831
 832         if (m_ca_servicePtr)
 833         {
 834                 int demuxes[2] = {0,0};
 835                 uint8_t tmp;
 836                 m_demux->getCADemuxID(tmp);
 837                 demuxes[0]=tmp;
 838                 if (m_decode_demux_num != 0xFF)
 839                         demuxes[1]=m_decode_demux_num;
 840                 else
 841                         demuxes[1]=demuxes[0];
 842                 ePtr<eTable<ProgramMapSection> > ptr;
 843                 m_PMT.getCurrent(ptr);
 844                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 845                 m_ca_servicePtr = 0;
 846         }
 847
 848         if (m_channel)
 849                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 850
 851         if (m_pvr_channel)
 852         {
 853                 m_pvr_channel->stopFile();
 854                 m_pvr_channel->setCueSheet(0);
 855         }
 856
 857         m_PMT.stop();
 858         m_PAT.stop();
 859         m_service = 0;
 860         m_channel = 0;
 861         m_pvr_channel = 0;
 862         m_demux = 0;
 863 }
 864
 865 CAServiceMap eDVBCAService::exist;
 866 ChannelMap eDVBCAService::exist_channels;
 867 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 868
 869 eDVBCAService::eDVBCAService()
 870         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 871 {
 872         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 873         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 874         Connect();
 875 }
 876
 877 eDVBCAService::~eDVBCAService()
 878 {
 879         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 880         ::close(m_sock);
 881 }
 882
 883 // begin static methods
 884 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 885 {
 886         CAServiceMap::iterator it = exist.find(ref);
 887         if ( it != exist.end() )
 888                 caservice = it->second;
 889         else
 890         {
 891                 caservice = (exist[ref]=new eDVBCAService());
 892                 caservice->m_service = ref;
 893                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 894         }
 895
 896         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 897         for (int i=0; i < loops; ++i)
 898         {
 899 // search free demux entry
 900                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 901
 902                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 903                         ++iter;
 904
 905                 if ( iter < max_demux_slots )
 906                 {
 907                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 908                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 909                 }
 910                 else
 911                 {
 912                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 913                         return -1;
 914                 }
 915         }
 916         return 0;
 917 }
 918
 919 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 920 {
 921         CAServiceMap::iterator it = exist.find(ref);
 922         if ( it == exist.end() )
 923         {
 924                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 925                 return -1;
 926         }
 927         else
 928         {
 929                 eDVBCAService *caservice = it->second;
 930                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 931                 for (int i=0; i < loops; ++i)
 932                 {
 933                         bool freed = false;
 934                         int iter = 0,
 935                                 used_demux_slots = 0,
 936                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 937                         while ( iter < max_demux_slots )
 938                         {
 939                                 if ( caservice->m_used_demux[iter] != 0xFF )
 940                                 {
 941                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 942                                         {
 943                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 944                                                 caservice->m_used_demux[iter] = 0xFF;
 945                                                 freed=true;
 946                                         }
 947                                         else
 948                                                 ++used_demux_slots;
 949                                 }
 950                                 ++iter;
 951                         }
 952                         if (!freed)
 953                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 954                         if (i || loops == 1)
 955                         {
 956                                 if (!used_demux_slots)  // no more used.. so we remove it
 957                                 {
 958                                         delete it->second;
 959                                         exist.erase(it);
 960                                 }
 961                                 else
 962                                 {
 963                                         if (ptr)
 964                                                 it->second->buildCAPMT(ptr);
 965                                         else
 966                                                 eDebug("[eDVBCAService] can not send updated demux info");
 967                                 }
 968                         }
 969                 }
 970         }
 971         return 0;
 972 }
 973
 974 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 975 {
 976         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 977 }
 978
 979 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 980 {
 981         if ( chan )
 982         {
 983                 eDebug("[eDVBCAService] new channel %p!", chan);
 984                 channel_data *data = new channel_data();
 985                 data->m_channel = chan;
 986                 data->m_prevChannelState = -1;
 987                 data->m_dataDemux = -1;
 988                 exist_channels[chan] = data;
 989                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 990         }
 991 }
 992
 993 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 994 {
 995         ChannelMap::iterator it =
 996                 exist_channels.find(chan);
 997         if ( it != exist_channels.end() )
 998         {
 999                 int state=0;
1000                 chan->getState(state);
1001                 if ( it->second->m_prevChannelState != state )
1002                 {
1003                         switch (state)
1004                         {
1005                                 case iDVBChannel::state_ok:
1006                                 {
1007                                         eDebug("[eDVBCAService] channel %p running", chan);
1008                                         break;
1009                                 }
1010                                 case iDVBChannel::state_release:
1011                                 {
1012                                         eDebug("[eDVBCAService] remove channel %p", chan);
1013                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
1014                                         msg[7] = it->second->m_dataDemux & 0xFF;
1015                                         int sock, clilen;
1016                                         struct sockaddr_un servaddr;
1017                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
1018                                         servaddr.sun_family = AF_UNIX;
1019                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
1020                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
1021                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
1022                                         if (sock > -1)
1023                                         {
1024                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
1025                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
1026                                                 int val=1;
1027                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1028                                                 if (write(sock, msg, 8) != 8)
1029                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
1030                                                 close(sock);
1031                                         }
1032                                         exist_channels.erase(it);
1033                                         delete it->second;
1034                                         it->second=0;
1035                                         break;
1036                                 }
1037                                 default: // ignore all other events
1038                                         return;
1039                         }
1040                         if (it->second)
1041                                 it->second->m_prevChannelState = state;
1042                 }
1043         }
1044 }
1045
1046 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
1047 {
1048         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
1049         {
1050                 if (chid == it->second->m_channel->getChannelID())
1051                         return it->second;
1052         }
1053         return 0;
1054 }
1055 // end static methods
1056
1057 #define CA_REPLY_DEBUG
1058 #define MAX_LENGTH_BYTES 4
1059 #define MIN_LENGTH_BYTES 1
1060
1061 void eDVBCAService::socketCB(int what)
1062 {
1063         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
1064         {
1065                 char msgbuffer[4096];
1066                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
1067                 if (length == -1)
1068                 {
1069                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
1070                         {
1071                                 eDebug("[eSocketMMIHandler] read (%m)");
1072                                 what |= eSocketNotifier::Error;
1073                         }
1074                 } else if (length == 0)
1075                 {
1076                         what |= eSocketNotifier::Hungup;
1077                 } else
1078                 {
1079                         int len = length;
1080                         unsigned char *data = (unsigned char*)msgbuffer;
1081                         int clear = 1;
1082         // If a new message starts, then the previous message
1083         // should already have been processed. Otherwise the
1084         // previous message was incomplete and should therefore
1085         // be deleted.
1086                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
1087                                 clear = 0;
1088                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
1089                                 clear = 0;
1090                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
1091                                 clear = 0;
1092                         if (clear)
1093                         {
1094                                 m_buffer.clear();
1095 #ifdef CA_REPLY_DEBUG
1096                                 eDebug("clear buffer");
1097 #endif
1098                         }
1099 #ifdef CA_REPLY_DEBUG
1100                         eDebug("Put to buffer:");
1101                         for (int i=0; i < len; ++i)
1102                                 eDebugNoNewLine("%02x ", data[i]);
1103                         eDebug("\n--------");
1104 #endif
1105                         m_buffer.write( data, len );
1106
1107                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1108                         {
1109                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1110                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1111                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1112                                 {
1113                                         m_buffer.skip(1);
1114 #ifdef CA_REPLY_DEBUG
1115                                         eDebug("skip %02x", tmp[0]);
1116 #endif
1117                                         continue;
1118                                 }
1119                                 if (tmp[3] & 0x80)
1120                                 {
1121                                         int peekLength = (tmp[3] & 0x7f) + 4;
1122                                         if (m_buffer.size() < peekLength)
1123                                                 continue;
1124                                         m_buffer.peek(tmp, peekLength);
1125                                 }
1126                                 int size=0;
1127                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1128                                 int messageLength = 3+LengthBytes+size;
1129                                 if ( m_buffer.size() >= messageLength )
1130                                 {
1131                                         unsigned char dest[messageLength];
1132                                         m_buffer.read(dest, messageLength);
1133 #ifdef CA_REPLY_DEBUG
1134                                         eDebug("dump ca reply:");
1135                                         for (int i=0; i < messageLength; ++i)
1136                                                 eDebugNoNewLine("%02x ", dest[i]);
1137                                         eDebug("\n--------");
1138 #endif
1139 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1140                                 }
1141                         }
1142                 }
1143         }
1144         if (what & eSocketNotifier::Hungup) {
1145                 /*eDebug("[eDVBCAService] connection closed")*/;
1146                 m_sendstate=1;
1147                 sendCAPMT();
1148         }
1149         if (what & eSocketNotifier::Error)
1150                 eDebug("[eDVBCAService] connection error");
1151 }
1152
1153 void eDVBCAService::Connect()
1154 {
1155         m_sn=0;
1156         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1157         m_servaddr.sun_family = AF_UNIX;
1158         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1159         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1160         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1161         if (m_sock != -1)
1162         {
1163                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1164                 {
1165                         int val=1;
1166                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1167                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1168                         m_sn = eSocketNotifier::create(eApp, m_sock,
1169                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1170                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1171
1172                 }
1173 //              else
1174 //                      eDebug("[eDVBCAService] connect failed %m");
1175         }
1176         else
1177                 eDebug("[eDVBCAService] create socket failed %m");
1178 }
1179
1180 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1181 {
1182         if (!ptr)
1183                 return;
1184
1185         eDVBTableSpec table_spec;
1186         ptr->getSpec(table_spec);
1187
1188         int pmtpid = table_spec.pid,
1189                 pmt_version = table_spec.version;
1190
1191         uint8_t demux_mask = 0;
1192         int data_demux = -1;
1193
1194         int iter=0, max_demux_slots = sizeof(m_used_demux);
1195         while ( iter < max_demux_slots )
1196         {
1197                 if ( m_used_demux[iter] != 0xFF )
1198                 {
1199                         if ( m_used_demux[iter] > data_demux )
1200                                 data_demux = m_used_demux[iter];
1201                         demux_mask |= (1 << m_used_demux[iter]);
1202                 }
1203                 ++iter;
1204         }
1205
1206         if ( data_demux == -1 )
1207         {
1208                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1209                 return;
1210         }
1211
1212         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1213
1214         unsigned int build_hash = ( pmtpid << 16);
1215         build_hash |= (demux_mask << 8);
1216         build_hash |= (pmt_version&0xFF);
1217
1218         if ( build_hash == m_prev_build_hash )
1219         {
1220                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1221                 return;
1222         }
1223
1224         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1225         if ( i != ptr->getSections().end() )
1226         {
1227                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1228
1229                 while( i != ptr->getSections().end() )
1230                 {
1231 //                      eDebug("append");
1232                         capmt.append(*i++);
1233                 }
1234
1235                 // add our private descriptors to capmt
1236                 uint8_t tmp[10];
1237
1238                 tmp[0]=0x84;  // pmt pid
1239                 tmp[1]=0x02;
1240                 tmp[2]=pmtpid>>8;
1241                 tmp[3]=pmtpid&0xFF;
1242                 capmt.injectDescriptor(tmp, false);
1243
1244                 tmp[0] = 0x82; // demux
1245                 tmp[1] = 0x02;
1246                 tmp[2] = demux_mask;    // descramble bitmask
1247                 tmp[3] = data_demux&0xFF; // read section data from demux number
1248                 capmt.injectDescriptor(tmp, false);
1249
1250                 tmp[0] = 0x81; // dvbnamespace
1251                 tmp[1] = 0x08;
1252                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1253                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1254                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1255                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1256                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1257                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1258                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1259                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1260                 capmt.injectDescriptor(tmp, false);
1261
1262                 capmt.writeToBuffer(m_capmt);
1263         }
1264
1265         m_prev_build_hash = build_hash;
1266
1267         if ( m_sendstate != 0xFFFFFFFF )
1268                 m_sendstate=0;
1269         sendCAPMT();
1270 }
1271
1272 void eDVBCAService::sendCAPMT()
1273 {
1274         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1275         {
1276                 ::close(m_sock);
1277                 Connect();
1278         }
1279
1280         int wp=0;
1281         if ( m_capmt[3] & 0x80 )
1282         {
1283                 int i=0;
1284                 int lenbytes = m_capmt[3] & ~0x80;
1285                 while(i < lenbytes)
1286                         wp = (wp << 8) | m_capmt[4 + i++];
1287                 wp+=4;
1288                 wp+=lenbytes;
1289         }
1290         else
1291         {
1292                 wp = m_capmt[3];
1293                 wp+=4;
1294         }
1295
1296         if ( write(m_sock, m_capmt, wp) == wp )
1297         {
1298                 m_sendstate=0xFFFFFFFF;
1299                 eDebug("[eDVBCAService] send %d bytes",wp);
1300                 eDVBChannelID chid;
1301                 m_service.getChannelID(chid);
1302                 channel_data *data = getChannelData(chid);
1303                 if (data)
1304                 {
1305                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1306                         data->m_dataDemux = m_capmt[24+lenbytes];
1307                 }
1308 #if 1
1309                 for(int i=0;i<wp;i++)
1310                         eDebugNoNewLine("%02x ", m_capmt[i]);
1311                 eDebug("");
1312 #endif
1313         }
1314         else
1315         {
1316                 switch(m_sendstate)
1317                 {
1318                         case 0xFFFFFFFF:
1319                                 ++m_sendstate;
1320                                 m_retryTimer->start(0,true);
1321 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1322                                 break;
1323                         default:
1324                                 m_retryTimer->start(5000,true);
1325 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1326                                 break;
1327                 }
1328                 ++m_sendstate;
1329         }
1330 }
1331
1332 static PyObject *createTuple(int pid, const char *type)
1333 {
1334         PyObject *r = PyTuple_New(2);
1335         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1336         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1337         return r;
1338 }
1339
1340 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1341 {
1342         PyList_Append(list, item);
1343         Py_DECREF(item);
1344 }
1345
1346 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1347
1348 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1349 {
1350         ePyObject r = PyDict_New();
1351         ePyObject l = PyList_New(0);
1352
1353         PyList_AppendSteal(l, createTuple(0, "pat"));
1354
1355         if (pmtPid != -1)
1356                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1357
1358         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1359                         i(videoStreams.begin());
1360                         i != videoStreams.end(); ++i)
1361                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1362
1363         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1364                         i(audioStreams.begin());
1365                         i != audioStreams.end(); ++i)
1366                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1367
1368         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1369                         i(subtitleStreams.begin());
1370                         i != subtitleStreams.end(); ++i)
1371                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1372
1373         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1374
1375         if (textPid != -1)
1376                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1377
1378         PutToDict(r, "pids", l);
1379
1380         return r;
1381 }