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
  21 eDVBServicePMTHandler::eDVBServicePMTHandler()
  22         :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
  23 {
  24         m_use_decode_demux = 0;
  25         m_pmt_pid = -1;
  26         eDVBResourceManager::getInstance(m_resourceManager);
  27         CONNECT(m_PMT.tableReady, eDVBServicePMTHandler::PMTready);
  28         CONNECT(m_PAT.tableReady, eDVBServicePMTHandler::PATready);
  29 }
  30
  31 eDVBServicePMTHandler::~eDVBServicePMTHandler()
  32 {
  33         free();
  34 }
  35
  36 void eDVBServicePMTHandler::channelStateChanged(iDVBChannel *channel)
  37 {
  38         int state;
  39         channel->getState(state);
  40
  41         if ((m_last_channel_state != iDVBChannel::state_ok)
  42                 && (state == iDVBChannel::state_ok) && (!m_demux))
  43         {
  44                 if (m_channel)
  45                         if (m_channel->getDemux(m_demux, (!m_use_decode_demux) ? 0 : iDVBChannel::capDecode))
  46                                 eDebug("Allocating %s-decoding a demux for now tuned-in channel failed.", m_use_decode_demux ? "" : "non-");
  47
  48                 serviceEvent(eventTuned);
  49
  50                 if (m_demux)
  51                 {
  52                         eDebug("ok ... now we start!!");
  53
  54                         if (!m_service || m_service->usePMT())
  55                         {
  56                                 if (m_pmt_pid == -1)
  57                                         m_PAT.begin(eApp, eDVBPATSpec(), m_demux);
  58                                 else
  59                                         m_PMT.begin(eApp, eDVBPMTSpec(m_pmt_pid, m_reference.getServiceID().get()), m_demux);
  60                         }
  61
  62                         if ( m_service && !m_service->cacheEmpty() )
  63                                 serviceEvent(eventNewProgramInfo);
  64                 }
  65         } else if ((m_last_channel_state != iDVBChannel::state_failed) &&
  66                         (state == iDVBChannel::state_failed))
  67         {
  68                 eDebug("tune failed.");
  69                 serviceEvent(eventTuneFailed);
  70         }
  71 }
  72
  73 void eDVBServicePMTHandler::channelEvent(iDVBChannel *channel, int event)
  74 {
  75         switch (event)
  76         {
  77         case iDVBChannel::evtEOF:
  78                 serviceEvent(eventEOF);
  79                 break;
  80         case iDVBChannel::evtSOF:
  81                 serviceEvent(eventSOF);
  82                 break;
  83         default:
  84                 break;
  85         }
  86 }
  87
  88 void eDVBServicePMTHandler::PMTready(int error)
  89 {
  90         if (error)
  91                 serviceEvent(eventNoPMT);
  92         else
  93         {
  94                 m_have_cached_program = false;
  95                 serviceEvent(eventNewProgramInfo);
  96                 if (!m_pvr_channel) // don't send campmt to camd.socket for playbacked services
  97                 {
  98                         eEPGCache::getInstance()->PMTready(this);
  99                         if(!m_ca_servicePtr)
 100                         {
 101                                 int demuxes[2] = {0,0};
 102                                 uint8_t tmp;
 103                                 m_demux->getCADemuxID(tmp);
 104                                 demuxes[0]=tmp;
 105                                 if (m_decode_demux_num != 0xFF)
 106                                         demuxes[1]=m_decode_demux_num;
 107                                 else
 108                                         demuxes[1]=demuxes[0];
 109                                 eDVBCAService::register_service(m_reference, demuxes, m_ca_servicePtr);
 110                                 eDVBCIInterfaces::getInstance()->recheckPMTHandlers();
 111                         }
 112                         eDVBCIInterfaces::getInstance()->gotPMT(this);
 113                 }
 114                 if (m_ca_servicePtr)
 115                 {
 116                         ePtr<eTable<ProgramMapSection> > ptr;
 117                         if (!m_PMT.getCurrent(ptr))
 118                                 m_ca_servicePtr->buildCAPMT(ptr);
 119                         else
 120                                 eDebug("eDVBServicePMTHandler cannot call buildCAPMT");
 121                 }
 122         }
 123 }
 124
 125 void eDVBServicePMTHandler::PATready(int)
 126 {
 127         ePtr<eTable<ProgramAssociationSection> > ptr;
 128         if (!m_PAT.getCurrent(ptr))
 129         {
 130                 int pmtpid = -1;
 131                 std::vector<ProgramAssociationSection*>::const_iterator i;
 132                 for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 133                 {
 134                         const ProgramAssociationSection &pat = **i;
 135                         ProgramAssociationConstIterator program;
 136                         for (program = pat.getPrograms()->begin(); program != pat.getPrograms()->end(); ++program)
 137                                 if (eServiceID((*program)->getProgramNumber()) == m_reference.getServiceID())
 138                                         pmtpid = (*program)->getProgramMapPid();
 139                 }
 140                 if (pmtpid == -1)
 141                         serviceEvent(eventNoPATEntry);
 142                 else
 143                         m_PMT.begin(eApp, eDVBPMTSpec(pmtpid, m_reference.getServiceID().get()), m_demux);
 144         } else
 145                 serviceEvent(eventNoPAT);
 146 }
 147
 148 PyObject *eDVBServicePMTHandler::getCaIds()
 149 {
 150         ePyObject ret;
 151
 152         program prog;
 153
 154         if ( !getProgramInfo(prog) )
 155         {
 156                 int cnt=prog.caids.size();
 157                 if (cnt)
 158                 {
 159                         ret=PyList_New(cnt);
 160                         std::set<uint16_t>::iterator it(prog.caids.begin());
 161                         while(cnt--)
 162                                 PyList_SET_ITEM(ret, cnt, PyInt_FromLong(*it++));
 163                 }
 164         }
 165
 166         return ret ? (PyObject*)ret : (PyObject*)PyList_New(0);
 167 }
 168
 169 int eDVBServicePMTHandler::getProgramInfo(struct program &program)
 170 {
 171         ePtr<eTable<ProgramMapSection> > ptr;
 172         int cached_apid_ac3 = -1;
 173         int cached_apid_mpeg = -1;
 174         int cached_vpid = -1;
 175         int cached_tpid = -1;
 176         int ret = -1;
 177
 178         program.videoStreams.clear();
 179         program.audioStreams.clear();
 180         program.pcrPid = -1;
 181         program.pmtPid = -1;
 182         program.textPid = -1;
 183
 184         int first_ac3 = -1;
 185         program.defaultAudioStream = 0;
 186
 187         if ( m_service && !m_service->cacheEmpty() )
 188         {
 189                 cached_vpid = m_service->getCacheEntry(eDVBService::cVPID);
 190                 cached_apid_mpeg = m_service->getCacheEntry(eDVBService::cAPID);
 191                 cached_apid_ac3 = m_service->getCacheEntry(eDVBService::cAC3PID);
 192                 cached_tpid = m_service->getCacheEntry(eDVBService::cTPID);
 193         }
 194
 195         if ( ((m_service && m_service->usePMT()) || !m_service) && !m_PMT.getCurrent(ptr))
 196         {
 197                 if (m_have_cached_program)
 198                 {
 199                         program = m_cached_program;
 200                         ret = 0;
 201                 }
 202                 else
 203                 {
 204                         eDVBTableSpec table_spec;
 205                         ptr->getSpec(table_spec);
 206                         program.pmtPid = table_spec.pid < 0x1fff ? table_spec.pid : -1;
 207                         std::vector<ProgramMapSection*>::const_iterator i;
 208                         for (i = ptr->getSections().begin(); i != ptr->getSections().end(); ++i)
 209                         {
 210                                 const ProgramMapSection &pmt = **i;
 211                                 program.pcrPid = pmt.getPcrPid();
 212
 213                                 ElementaryStreamInfoConstIterator es;
 214                                 for (es = pmt.getEsInfo()->begin(); es != pmt.getEsInfo()->end(); ++es)
 215                                 {
 216                                         int isaudio = 0, isvideo = 0;
 217                                         videoStream video;
 218                                         audioStream audio;
 219                                         audio.component_tag=video.component_tag=-1;
 220                                         video.type = videoStream::vtMPEG2;
 221                                         audio.type = audioStream::atMPEG;
 222
 223                                         switch ((*es)->getType())
 224                                         {
 225                                         case 0x1b: // AVC Video Stream (MPEG4 H264)
 226                                                 video.type = videoStream::vtMPEG4_H264;
 227                                                 isvideo = 1;
 228                                                 //break; fall through !!!
 229                                         case 0x10: // MPEG 4 Part 2
 230                                                 if (!isvideo)
 231                                                 {
 232                                                         video.type = videoStream::vtMPEG4_Part2;
 233                                                         isvideo = 1;
 234                                                 }
 235                                                 //break; fall through !!!
 236                                         case 0x01: // MPEG 1 video
 237                                                 if (!isvideo)
 238                                                         video.type = videoStream::vtMPEG1;
 239                                                 //break; fall through !!!
 240                                         case 0x02: // MPEG 2 video
 241                                                 isvideo = 1;
 242                                                 //break; fall through !!!
 243                                         case 0x03: // MPEG 1 audio
 244                                         case 0x04: // MPEG 2 audio:
 245                                                 if (!isvideo)
 246                                                         isaudio = 1;
 247                                                 //break; fall through !!!
 248                                         case 0x0f: // MPEG 2 AAC
 249                                                 if (!isvideo && !isaudio)
 250                                                 {
 251                                                         isaudio = 1;
 252                                                         audio.type = audioStream::atAAC;
 253                                                 }
 254                                                 //break; fall through !!!
 255                                         case 0x11: // MPEG 4 AAC
 256                                                 if (!isvideo && !isaudio)
 257                                                 {
 258                                                         isaudio = 1;
 259                                                         audio.type = audioStream::atAACHE;
 260                                                 }
 261                                         case 0x80: // user private ... but blueray LPCM
 262                                                 if (!isvideo && !isaudio)
 263                                                 {
 264                                                         isaudio = 1;
 265                                                         audio.type = audioStream::atLPCM;
 266                                                 }
 267                                         case 0x81: // user private ... but blueray AC3
 268                                                 if (!isvideo && !isaudio)
 269                                                 {
 270                                                         isaudio = 1;
 271                                                         audio.type = audioStream::atAC3;
 272                                                 }
 273                                         case 0x82: // Blueray DTS (dvb user private...)
 274                                         case 0xA2: // Blueray secondary DTS
 275                                                 if (!isvideo && !isaudio)
 276                                                 {
 277                                                         isaudio = 1;
 278                                                         audio.type = audioStream::atDTS;
 279                                                 }
 280                                         case 0x06: // PES Private
 281                                         case 0xEA: // TS_PSI_ST_SMPTE_VC1
 282                                                 for (DescriptorConstIterator desc = (*es)->getDescriptors()->begin();
 283                                                                 desc != (*es)->getDescriptors()->end(); ++desc)
 284                                                 {
 285                                                         uint8_t tag = (*desc)->getTag();
 286                                                         /* check descriptors to get the exakt stream type. */
 287                                                         switch (tag)
 288                                                         {
 289                                                         case AUDIO_STREAM_DESCRIPTOR:
 290                                                                 isaudio = 1;
 291                                                                 break;
 292                                                         case VIDEO_STREAM_DESCRIPTOR:
 293                                                         {
 294                                                                 isvideo = 1;
 295                                                                 VideoStreamDescriptor *d = (VideoStreamDescriptor*)(*desc);
 296                                                                 if (d->getMpeg1OnlyFlag())
 297                                                                         video.type = videoStream::vtMPEG1;
 298                                                                 break;
 299                                                         }
 300                                                         case SUBTITLING_DESCRIPTOR:
 301                                                         {
 302                                                                 SubtitlingDescriptor *d = (SubtitlingDescriptor*)(*desc);
 303                                                                 const SubtitlingList *list = d->getSubtitlings();
 304                                                                 subtitleStream s;
 305                                                                 s.pid = (*es)->getPid();
 306                                                                 for (SubtitlingConstIterator it(list->begin()); it != list->end(); ++it)
 307                                                                 {
 308                                                                         s.subtitling_type = (*it)->getSubtitlingType();
 309                                                                         switch(s.subtitling_type)
 310                                                                         {
 311                                                                         case 0x10 ... 0x13:
 312                                                                         case 0x20 ... 0x23: // dvb subtitles
 313                                                                                 break;
 314                                                                         default:
 315                                                                                 eDebug("dvb subtitle %s PID %04x with wrong subtitling type (%02x)... force 0x10!!",
 316                                                                                         s.language_code.c_str(), s.pid, s.subtitling_type);
 317                                                                                 s.subtitling_type = 0x10;
 318                                                                                 break;
 319                                                                         }
 320                                                                         s.composition_page_id = (*it)->getCompositionPageId();
 321                                                                         s.ancillary_page_id = (*it)->getAncillaryPageId();
 322                                                                         s.language_code = (*it)->getIso639LanguageCode();
 323 //                                                                      eDebug("add dvb subtitle %s PID %04x, type %d, composition page %d, ancillary_page %d",
 324 //                                                                              s.language_code.c_str(), s.pid, s.subtitling_type, s.composition_page_id, s.ancillary_page_id);
 325                                                                         program.subtitleStreams.push_back(s);
 326                                                                 }
 327                                                                 break;
 328                                                         }
 329                                                         case TELETEXT_DESCRIPTOR:
 330                                                                 if ( program.textPid == -1 || (*es)->getPid() == cached_tpid )
 331                                                                 {
 332                                                                         subtitleStream s;
 333                                                                         s.subtitling_type = 0x01; // EBU TELETEXT SUBTITLES
 334                                                                         s.pid = program.textPid = (*es)->getPid();
 335                                                                         TeletextDescriptor *d = (TeletextDescriptor*)(*desc);
 336                                                                         const VbiTeletextList *list = d->getVbiTeletexts();
 337                                                                         for (VbiTeletextConstIterator it(list->begin()); it != list->end(); ++it)
 338                                                                         {
 339                                                                                 switch((*it)->getTeletextType())
 340                                                                                 {
 341                                                                                 case 0x02: // Teletext subtitle page
 342                                                                                 case 0x05: // Teletext subtitle page for hearing impaired pepople
 343                                                                                         s.language_code = (*it)->getIso639LanguageCode();
 344                                                                                         s.teletext_page_number = (*it)->getTeletextPageNumber();
 345                                                                                         s.teletext_magazine_number = (*it)->getTeletextMagazineNumber();
 346 //                                                                                      eDebug("add teletext subtitle %s PID %04x, page number %d, magazine number %d",
 347 //                                                                                              s.language_code.c_str(), s.pid, s.teletext_page_number, s.teletext_magazine_number);
 348                                                                                         program.subtitleStreams.push_back(s);
 349                                                                                         break;
 350                                                                                 }
 351                                                                         }
 352                                                                 }
 353                                                                 break;
 354                                                         case DTS_DESCRIPTOR:
 355                                                                 isaudio = 1;
 356                                                                 audio.type = audioStream::atDTS;
 357                                                                 break;
 358                                                         case 0x2B: // TS_PSI_DT_MPEG2_AAC
 359                                                                 isaudio = 1;
 360                                                                 audio.type = audioStream::atAAC; // MPEG2-AAC
 361                                                                 break;
 362                                                         case 0x1C: // TS_PSI_DT_MPEG4_Audio
 363                                                         case AAC_DESCRIPTOR:
 364                                                                 isaudio = 1;
 365                                                                 audio.type = audioStream::atAACHE; // MPEG4-AAC
 366                                                                 break;
 367                                                         case AC3_DESCRIPTOR:
 368                                                                 isaudio = 1;
 369                                                                 audio.type = audioStream::atAC3;
 370                                                                 break;
 371                                                         case REGISTRATION_DESCRIPTOR: /* some services don't have a separate AC3 descriptor */
 372                                                         {
 373                                                                         /* libdvbsi++ doesn't yet support this descriptor type, so work around. */
 374                                                                 if ((*desc)->getLength() < 4)
 375                                                                         break;
 376                                                                 unsigned char descr[6];
 377                                                                 (*desc)->writeToBuffer(descr);
 378                                                                 int format_identifier = (descr[2] << 24) | (descr[3] << 16) | (descr[4] << 8) | (descr[5]);
 379                                                                 switch (format_identifier)
 380                                                                 {
 381                                                                 case 0x44545331 ... 0x44545333: // DTS1/DTS2/DTS3
 382                                                                         isaudio = 1;
 383                                                                         audio.type = audioStream::atDTS;
 384                                                                         break;
 385                                                                 case 0x41432d33: // == 'AC-3'
 386                                                                         isaudio = 1;
 387                                                                         audio.type = audioStream::atAC3;
 388                                                                         break;
 389                                                                 case 0x42535344: // == 'BSSD' (LPCM)
 390                                                                         isaudio = 1;
 391                                                                         audio.type = audioStream::atLPCM;
 392                                                                         break;
 393                                                                 case 0x56432d31: // == 'VC-1'
 394                                                                         if (descr[6] == 0x01) // subdescriptor tag
 395                                                                         {
 396                                                                                 if (descr[7] >= 0x90) // profile_level
 397                                                                                         video.type = videoStream::vtVC1; // advanced profile
 398                                                                                 else
 399                                                                                         video.type = videoStream::vtVC1_SM; // simple main
 400                                                                                 isvideo = 1;
 401                                                                         }
 402                                                                         break;
 403                                                                 default:
 404                                                                         break;
 405                                                                 }
 406                                                                 break;
 407                                                         }
 408                                                         case 0x28: // TS_PSI_DT_AVC
 409                                                                 isvideo = 1;
 410                                                                 video.type = videoStream::vtMPEG4_H264;
 411                                                                 break;
 412                                                         case 0x1B: // TS_PSI_DT_MPEG4_Video
 413                                                                 isvideo = 1;
 414                                                                 video.type = videoStream::vtMPEG4_Part2;
 415                                                                 break;
 416                                                         case ISO_639_LANGUAGE_DESCRIPTOR:
 417                                                                 if (!isvideo)
 418                                                                 {
 419                                                                         int cnt=0;
 420                                                                         const Iso639LanguageList *languages = ((Iso639LanguageDescriptor*)*desc)->getIso639Languages();
 421                                                                                 /* use last language code */
 422                                                                         for (Iso639LanguageConstIterator i(languages->begin()); i != languages->end(); ++i, ++cnt)
 423                                                                         {
 424                                                                                 if (cnt == 0)
 425                                                                                         audio.language_code = (*i)->getIso639LanguageCode();
 426                                                                                 else
 427                                                                                         audio.language_code += "/" + (*i)->getIso639LanguageCode();
 428                                                                         }
 429                                                                 }
 430                                                                 break;
 431                                                         case STREAM_IDENTIFIER_DESCRIPTOR:
 432                                                                 audio.component_tag =
 433                                                                         video.component_tag =
 434                                                                                 ((StreamIdentifierDescriptor*)*desc)->getComponentTag();
 435                                                                 break;
 436                                                         case CA_DESCRIPTOR:
 437                                                         {
 438                                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 439                                                                 program.caids.insert(descr->getCaSystemId());
 440                                                                 break;
 441                                                         }
 442                                                         default:
 443                                                                 break;
 444                                                         }
 445                                                 }
 446                                         }
 447                                         if (isaudio)
 448                                         {
 449                                                 audio.pid = (*es)->getPid();
 450
 451                                                         /* if we find the cached pids, this will be our default stream */
 452                                                 if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
 453                                                         program.defaultAudioStream = program.audioStreams.size();
 454
 455                                                         /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
 456                                                 if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
 457                                                         first_ac3 = program.audioStreams.size();
 458
 459                                                 program.audioStreams.push_back(audio);
 460                                         }
 461                                         else if (isvideo)
 462                                         {
 463                                                 video.pid = (*es)->getPid();
 464                                                 if ( !program.videoStreams.empty() && video.pid == cached_vpid )
 465                                                 {
 466                                                         program.videoStreams.push_back(program.videoStreams[0]);
 467                                                         program.videoStreams[0] = video;
 468                                                 }
 469                                                 else
 470                                                         program.videoStreams.push_back(video);
 471                                         }
 472                                         else
 473                                                 continue;
 474                                 }
 475                                 for (DescriptorConstIterator desc = pmt.getDescriptors()->begin();
 476                                         desc != pmt.getDescriptors()->end(); ++desc)
 477                                 {
 478                                         if ((*desc)->getTag() == CA_DESCRIPTOR)
 479                                         {
 480                                                 CaDescriptor *descr = (CaDescriptor*)(*desc);
 481                                                 program.caids.insert(descr->getCaSystemId());
 482                                         }
 483                                 }
 484                         }
 485                         ret = 0;
 486
 487
 488                         /* finally some fixup: if our default audio stream is an MPEG audio stream,
 489                            and we have 'defaultac3' set, use the first available ac3 stream instead.
 490                            (note: if an ac3 audio stream was selected before, this will be also stored
 491                            in 'fisrt_ac3', so we don't need to worry. */
 492                         bool defaultac3 = false;
 493                         std::string default_ac3;
 494
 495                         if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
 496                                 defaultac3 = default_ac3 == "True";
 497
 498                         if (defaultac3 && (first_ac3 != -1))
 499                                 program.defaultAudioStream = first_ac3;
 500
 501                         m_cached_program = program;
 502                         m_have_cached_program = true;
 503                 }
 504         } else if ( m_service && !m_service->cacheEmpty() )
 505         {
 506                 int cached_pcrpid = m_service->getCacheEntry(eDVBService::cPCRPID),
 507                         vpidtype = m_service->getCacheEntry(eDVBService::cVTYPE),
 508                         cnt=0;
 509                 if ( vpidtype == -1 )
 510                         vpidtype = videoStream::vtMPEG2;
 511                 if ( cached_vpid != -1 )
 512                 {
 513                         videoStream s;
 514                         s.pid = cached_vpid;
 515                         s.type = vpidtype;
 516                         program.videoStreams.push_back(s);
 517                         ++cnt;
 518                 }
 519                 if ( cached_apid_ac3 != -1 )
 520                 {
 521                         audioStream s;
 522                         s.type = audioStream::atAC3;
 523                         s.pid = cached_apid_ac3;
 524                         program.audioStreams.push_back(s);
 525                         ++cnt;
 526                 }
 527                 if ( cached_apid_mpeg != -1 )
 528                 {
 529                         audioStream s;
 530                         s.type = audioStream::atMPEG;
 531                         s.pid = cached_apid_mpeg;
 532                         program.audioStreams.push_back(s);
 533                         ++cnt;
 534                 }
 535                 if ( cached_pcrpid != -1 )
 536                 {
 537                         ++cnt;
 538                         program.pcrPid = cached_pcrpid;
 539                 }
 540                 if ( cached_tpid != -1 )
 541                 {
 542                         ++cnt;
 543                         program.textPid = cached_tpid;
 544                 }
 545                 CAID_LIST &caids = m_service->m_ca;
 546                 for (CAID_LIST::iterator it(caids.begin()); it != caids.end(); ++it)
 547                         program.caids.insert(*it);
 548                 if ( cnt )
 549                         ret = 0;
 550         }
 551         return ret;
 552 }
 553
 554 int eDVBServicePMTHandler::getChannel(eUsePtr<iDVBChannel> &channel)
 555 {
 556         channel = m_channel;
 557         if (channel)
 558                 return 0;
 559         else
 560                 return -1;
 561 }
 562
 563 int eDVBServicePMTHandler::getDataDemux(ePtr<iDVBDemux> &demux)
 564 {
 565         demux = m_demux;
 566         if (demux)
 567                 return 0;
 568         else
 569                 return -1;
 570 }
 571
 572 int eDVBServicePMTHandler::getDecodeDemux(ePtr<iDVBDemux> &demux)
 573 {
 574         int ret=0;
 575                 /* if we're using the decoding demux as data source
 576                    (for example in pvr playbacks), return that one. */
 577         if (m_use_decode_demux)
 578         {
 579                 demux = m_demux;
 580                 return ret;
 581         }
 582
 583         ASSERT(m_channel); /* calling without a previous ::tune is certainly bad. */
 584
 585         ret = m_channel->getDemux(demux, iDVBChannel::capDecode);
 586         if (!ret)
 587                 demux->getCADemuxID(m_decode_demux_num);
 588
 589         return ret;
 590 }
 591
 592 int eDVBServicePMTHandler::getPVRChannel(ePtr<iDVBPVRChannel> &pvr_channel)
 593 {
 594         pvr_channel = m_pvr_channel;
 595         if (pvr_channel)
 596                 return 0;
 597         else
 598                 return -1;
 599 }
 600
 601 void eDVBServicePMTHandler::SDTScanEvent(int event)
 602 {
 603         switch (event)
 604         {
 605                 case eDVBScan::evtFinish:
 606                 {
 607                         ePtr<iDVBChannelList> db;
 608                         if (m_resourceManager->getChannelList(db) != 0)
 609                                 eDebug("no channel list");
 610                         else
 611                         {
 612                                 eDVBChannelID chid;
 613                                 m_reference.getChannelID(chid);
 614                                 if (chid == m_dvb_scan->getCurrentChannelID())
 615                                 {
 616                                         m_dvb_scan->insertInto(db, true);
 617                                         eDebug("sdt update done!");
 618                                 }
 619                                 else
 620                                         eDebug("ignore sdt update data.... incorrect transponder tuned!!!");
 621                         }
 622                         break;
 623                 }
 624
 625                 default:
 626                         break;
 627         }
 628 }
 629
 630 int eDVBServicePMTHandler::tune(eServiceReferenceDVB &ref, int use_decode_demux, eCueSheet *cue, bool simulate, eDVBService *service)
 631 {
 632         RESULT res=0;
 633         m_reference = ref;
 634
 635         m_use_decode_demux = use_decode_demux;
 636
 637                 /* 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 */
 638         m_service = service;
 639
 640                 /* is this a normal (non PVR) channel? */
 641         if (ref.path.empty())
 642         {
 643                 eDVBChannelID chid;
 644                 ref.getChannelID(chid);
 645                 res = m_resourceManager->allocateChannel(chid, m_channel, simulate);
 646                 if (!simulate)
 647                         eDebug("allocate Channel: res %d", res);
 648
 649                 ePtr<iDVBChannelList> db;
 650                 if (!m_resourceManager->getChannelList(db))
 651                         db->getService((eServiceReferenceDVB&)m_reference, m_service);
 652
 653                 if (!res && !simulate)
 654                         eDVBCIInterfaces::getInstance()->addPMTHandler(this);
 655         } else if (!simulate) // no simulation of playback services
 656         {
 657                 eDVBMetaParser parser;
 658
 659                 int ret=parser.parseFile(ref.path);
 660                 if (ret || !parser.m_ref.getServiceID().get() /* incorrect sid in meta file or recordings.epl*/ )
 661                 {
 662                         eWarning("no .meta file found, trying to find PMT pid");
 663                         eDVBTSTools tstools;
 664                         if (tstools.openFile(ref.path.c_str()))
 665                                 eWarning("failed to open file");
 666                         else
 667                         {
 668                                 int service_id, pmt_pid;
 669                                 if (!tstools.findPMT(pmt_pid, service_id))
 670                                 {
 671                                         eDebug("PMT pid found on pid %04x, service id %d", pmt_pid, service_id);
 672                                         m_reference.setServiceID(service_id);
 673                                         m_pmt_pid = pmt_pid;
 674                                 }
 675                         }
 676                 } else
 677                         m_reference = parser.m_ref;
 678
 679                 eDebug("alloc PVR");
 680                         /* allocate PVR */
 681                 res = m_resourceManager->allocatePVRChannel(m_pvr_channel);
 682                 if (res)
 683                         eDebug("allocatePVRChannel failed!\n");
 684                 m_channel = m_pvr_channel;
 685         }
 686
 687         if (!simulate)
 688         {
 689                 if (m_channel)
 690                 {
 691                         m_channel->connectStateChange(
 692                                 slot(*this, &eDVBServicePMTHandler::channelStateChanged),
 693                                 m_channelStateChanged_connection);
 694                         m_last_channel_state = -1;
 695                         channelStateChanged(m_channel);
 696
 697                         m_channel->connectEvent(
 698                                 slot(*this, &eDVBServicePMTHandler::channelEvent),
 699                                 m_channelEvent_connection);
 700
 701                         if (ref.path.empty())
 702                         {
 703                                 m_dvb_scan = 0;
 704                                 m_dvb_scan = new eDVBScan(m_channel, true, false);
 705                                 m_dvb_scan->connectEvent(slot(*this, &eDVBServicePMTHandler::SDTScanEvent), m_scan_event_connection);
 706                         }
 707                 } else
 708                 {
 709                         if (res == eDVBResourceManager::errAllSourcesBusy)
 710                                 serviceEvent(eventNoResources);
 711                         else /* errChidNotFound, errNoChannelList, errChannelNotInList, errNoSourceFound */
 712                                 serviceEvent(eventMisconfiguration);
 713                         return res;
 714                 }
 715
 716                 if (m_pvr_channel)
 717                 {
 718                         m_pvr_channel->setCueSheet(cue);
 719                         m_pvr_channel->playFile(ref.path.c_str());
 720                 }
 721         }
 722
 723         return res;
 724 }
 725
 726 void eDVBServicePMTHandler::free()
 727 {
 728         m_dvb_scan = 0;
 729
 730         if (m_ca_servicePtr)
 731         {
 732                 int demuxes[2] = {0,0};
 733                 uint8_t tmp;
 734                 m_demux->getCADemuxID(tmp);
 735                 demuxes[0]=tmp;
 736                 if (m_decode_demux_num != 0xFF)
 737                         demuxes[1]=m_decode_demux_num;
 738                 else
 739                         demuxes[1]=demuxes[0];
 740                 ePtr<eTable<ProgramMapSection> > ptr;
 741                 m_PMT.getCurrent(ptr);
 742                 eDVBCAService::unregister_service(m_reference, demuxes, ptr);
 743                 m_ca_servicePtr = 0;
 744         }
 745
 746         if (m_channel)
 747                 eDVBCIInterfaces::getInstance()->removePMTHandler(this);
 748
 749         if (m_pvr_channel)
 750         {
 751                 m_pvr_channel->stopFile();
 752                 m_pvr_channel->setCueSheet(0);
 753         }
 754
 755         m_PMT.stop();
 756         m_PAT.stop();
 757         m_service = 0;
 758         m_channel = 0;
 759         m_pvr_channel = 0;
 760         m_demux = 0;
 761 }
 762
 763 CAServiceMap eDVBCAService::exist;
 764 ChannelMap eDVBCAService::exist_channels;
 765 ePtr<eConnection> eDVBCAService::m_chanAddedConn;
 766
 767 eDVBCAService::eDVBCAService()
 768         :m_buffer(512), m_prev_build_hash(0), m_sendstate(0), m_retryTimer(eTimer::create(eApp))
 769 {
 770         memset(m_used_demux, 0xFF, sizeof(m_used_demux));
 771         CONNECT(m_retryTimer->timeout, eDVBCAService::sendCAPMT);
 772         Connect();
 773 }
 774
 775 eDVBCAService::~eDVBCAService()
 776 {
 777         eDebug("[eDVBCAService] free service %s", m_service.toString().c_str());
 778         ::close(m_sock);
 779 }
 780
 781 // begin static methods
 782 RESULT eDVBCAService::register_service( const eServiceReferenceDVB &ref, int demux_nums[2], eDVBCAService *&caservice )
 783 {
 784         CAServiceMap::iterator it = exist.find(ref);
 785         if ( it != exist.end() )
 786                 caservice = it->second;
 787         else
 788         {
 789                 caservice = (exist[ref]=new eDVBCAService());
 790                 caservice->m_service = ref;
 791                 eDebug("[eDVBCAService] new service %s", ref.toString().c_str() );
 792         }
 793
 794         int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 795         for (int i=0; i < loops; ++i)
 796         {
 797 // search free demux entry
 798                 int iter=0, max_demux_slots = sizeof(caservice->m_used_demux);
 799
 800                 while ( iter < max_demux_slots && caservice->m_used_demux[iter] != 0xFF )
 801                         ++iter;
 802
 803                 if ( iter < max_demux_slots )
 804                 {
 805                         caservice->m_used_demux[iter] = demux_nums[i] & 0xFF;
 806                         eDebug("[eDVBCAService] add demux %d to slot %d service %s", caservice->m_used_demux[iter], iter, ref.toString().c_str());
 807                 }
 808                 else
 809                 {
 810                         eDebug("[eDVBCAService] no more demux slots free for service %s!!", ref.toString().c_str());
 811                         return -1;
 812                 }
 813         }
 814         return 0;
 815 }
 816
 817 RESULT eDVBCAService::unregister_service( const eServiceReferenceDVB &ref, int demux_nums[2], eTable<ProgramMapSection> *ptr )
 818 {
 819         CAServiceMap::iterator it = exist.find(ref);
 820         if ( it == exist.end() )
 821         {
 822                 eDebug("[eDVBCAService] try to unregister non registered %s", ref.toString().c_str());
 823                 return -1;
 824         }
 825         else
 826         {
 827                 eDVBCAService *caservice = it->second;
 828                 int loops = demux_nums[0] != demux_nums[1] ? 2 : 1;
 829                 for (int i=0; i < loops; ++i)
 830                 {
 831                         bool freed = false;
 832                         int iter = 0,
 833                                 used_demux_slots = 0,
 834                                 max_demux_slots = sizeof(caservice->m_used_demux)/sizeof(int);
 835                         while ( iter < max_demux_slots )
 836                         {
 837                                 if ( caservice->m_used_demux[iter] != 0xFF )
 838                                 {
 839                                         if ( !freed && caservice->m_used_demux[iter] == demux_nums[i] )
 840                                         {
 841                                                 eDebug("[eDVBCAService] free slot %d demux %d for service %s", iter, caservice->m_used_demux[iter], caservice->m_service.toString().c_str() );
 842                                                 caservice->m_used_demux[iter] = 0xFF;
 843                                                 freed=true;
 844                                         }
 845                                         else
 846                                                 ++used_demux_slots;
 847                                 }
 848                                 ++iter;
 849                         }
 850                         if (!freed)
 851                                 eDebug("[eDVBCAService] couldn't free demux slot for demux %d", demux_nums[i]);
 852                         if (i || loops == 1)
 853                         {
 854                                 if (!used_demux_slots)  // no more used.. so we remove it
 855                                 {
 856                                         delete it->second;
 857                                         exist.erase(it);
 858                                 }
 859                                 else
 860                                 {
 861                                         if (ptr)
 862                                                 it->second->buildCAPMT(ptr);
 863                                         else
 864                                                 eDebug("[eDVBCAService] can not send updated demux info");
 865                                 }
 866                         }
 867                 }
 868         }
 869         return 0;
 870 }
 871
 872 void eDVBCAService::registerChannelCallback(eDVBResourceManager *res_mgr)
 873 {
 874         res_mgr->connectChannelAdded(slot(&DVBChannelAdded), m_chanAddedConn);
 875 }
 876
 877 void eDVBCAService::DVBChannelAdded(eDVBChannel *chan)
 878 {
 879         if ( chan )
 880         {
 881                 eDebug("[eDVBCAService] new channel %p!", chan);
 882                 channel_data *data = new channel_data();
 883                 data->m_channel = chan;
 884                 data->m_prevChannelState = -1;
 885                 data->m_dataDemux = -1;
 886                 exist_channels[chan] = data;
 887                 chan->connectStateChange(slot(&DVBChannelStateChanged), data->m_stateChangedConn);
 888         }
 889 }
 890
 891 void eDVBCAService::DVBChannelStateChanged(iDVBChannel *chan)
 892 {
 893         ChannelMap::iterator it =
 894                 exist_channels.find(chan);
 895         if ( it != exist_channels.end() )
 896         {
 897                 int state=0;
 898                 chan->getState(state);
 899                 if ( it->second->m_prevChannelState != state )
 900                 {
 901                         switch (state)
 902                         {
 903                                 case iDVBChannel::state_ok:
 904                                 {
 905                                         eDebug("[eDVBCAService] channel %p running", chan);
 906                                         break;
 907                                 }
 908                                 case iDVBChannel::state_release:
 909                                 {
 910                                         eDebug("[eDVBCAService] remove channel %p", chan);
 911                                         unsigned char msg[8] = { 0x9f,0x80,0x3f,0x04,0x83,0x02,0x00,0x00 };
 912                                         msg[7] = it->second->m_dataDemux & 0xFF;
 913                                         int sock, clilen;
 914                                         struct sockaddr_un servaddr;
 915                                         memset(&servaddr, 0, sizeof(struct sockaddr_un));
 916                                         servaddr.sun_family = AF_UNIX;
 917                                         strcpy(servaddr.sun_path, "/tmp/camd.socket");
 918                                         clilen = sizeof(servaddr.sun_family) + strlen(servaddr.sun_path);
 919                                         sock = socket(PF_UNIX, SOCK_STREAM, 0);
 920                                         if (sock > -1)
 921                                         {
 922                                                 connect(sock, (struct sockaddr *) &servaddr, clilen);
 923                                                 fcntl(sock, F_SETFL, O_NONBLOCK);
 924                                                 int val=1;
 925                                                 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
 926                                                 if (write(sock, msg, 8) != 8)
 927                                                         eDebug("[eDVBCAService] write leave transponder failed!!");
 928                                                 close(sock);
 929                                         }
 930                                         exist_channels.erase(it);
 931                                         delete it->second;
 932                                         it->second=0;
 933                                         break;
 934                                 }
 935                                 default: // ignore all other events
 936                                         return;
 937                         }
 938                         if (it->second)
 939                                 it->second->m_prevChannelState = state;
 940                 }
 941         }
 942 }
 943
 944 channel_data *eDVBCAService::getChannelData(eDVBChannelID &chid)
 945 {
 946         for (ChannelMap::iterator it(exist_channels.begin()); it != exist_channels.end(); ++it)
 947         {
 948                 if (chid == it->second->m_channel->getChannelID())
 949                         return it->second;
 950         }
 951         return 0;
 952 }
 953 // end static methods
 954
 955 #define CA_REPLY_DEBUG
 956 #define MAX_LENGTH_BYTES 4
 957 #define MIN_LENGTH_BYTES 1
 958
 959 void eDVBCAService::socketCB(int what)
 960 {
 961         if (what & (eSocketNotifier::Read | eSocketNotifier::Priority))
 962         {
 963                 char msgbuffer[4096];
 964                 ssize_t length = read(m_sock, msgbuffer, sizeof(msgbuffer));
 965                 if (length == -1)
 966                 {
 967                         if (errno != EAGAIN && errno != EINTR && errno != EBUSY)
 968                         {
 969                                 eDebug("[eSocketMMIHandler] read (%m)");
 970                                 what |= eSocketNotifier::Error;
 971                         }
 972                 } else if (length == 0)
 973                 {
 974                         what |= eSocketNotifier::Hungup;
 975                 } else
 976                 {
 977                         int len = length;
 978                         unsigned char *data = (unsigned char*)msgbuffer;
 979                         int clear = 1;
 980         // If a new message starts, then the previous message
 981         // should already have been processed. Otherwise the
 982         // previous message was incomplete and should therefore
 983         // be deleted.
 984                         if ((len >= 1) && ((data[0] & 0xFF) != 0x9f))
 985                                 clear = 0;
 986                         if ((len >= 2) && ((data[1] & 0x80) != 0x80))
 987                                 clear = 0;
 988                         if ((len >= 3) && ((data[2] & 0x80) != 0x00))
 989                                 clear = 0;
 990                         if (clear)
 991                         {
 992                                 m_buffer.clear();
 993 #ifdef CA_REPLY_DEBUG
 994                                 eDebug("clear buffer");
 995 #endif
 996                         }
 997 #ifdef CA_REPLY_DEBUG
 998                         eDebug("Put to buffer:");
 999                         for (int i=0; i < len; ++i)
1000                                 eDebugNoNewLine("%02x ", data[i]);
1001                         eDebug("\n--------");
1002 #endif
1003                         m_buffer.write( data, len );
1004
1005                         while ( m_buffer.size() >= (3 + MIN_LENGTH_BYTES) )
1006                         {
1007                                 unsigned char tmp[3+MAX_LENGTH_BYTES];
1008                                 m_buffer.peek(tmp, 3+MIN_LENGTH_BYTES);
1009                                 if (((tmp[0] & 0xFF) != 0x9f) || ((tmp[1] & 0x80) != 0x80) || ((tmp[2] & 0x80) != 0x00))
1010                                 {
1011                                         m_buffer.skip(1);
1012 #ifdef CA_REPLY_DEBUG
1013                                         eDebug("skip %02x", tmp[0]);
1014 #endif
1015                                         continue;
1016                                 }
1017                                 if (tmp[3] & 0x80)
1018                                 {
1019                                         int peekLength = (tmp[3] & 0x7f) + 4;
1020                                         if (m_buffer.size() < peekLength)
1021                                                 continue;
1022                                         m_buffer.peek(tmp, peekLength);
1023                                 }
1024                                 int size=0;
1025                                 int LengthBytes=eDVBCISession::parseLengthField(tmp+3, size);
1026                                 int messageLength = 3+LengthBytes+size;
1027                                 if ( m_buffer.size() >= messageLength )
1028                                 {
1029                                         unsigned char dest[messageLength];
1030                                         m_buffer.read(dest, messageLength);
1031 #ifdef CA_REPLY_DEBUG
1032                                         eDebug("dump ca reply:");
1033                                         for (int i=0; i < messageLength; ++i)
1034                                                 eDebugNoNewLine("%02x ", dest[i]);
1035                                         eDebug("\n--------");
1036 #endif
1037 //                                      /*emit*/ mmi_progress(0, dest, (const void*)(dest+3+LengthBytes), messageLength-3-LengthBytes);
1038                                 }
1039                         }
1040                 }
1041         }
1042         if (what & eSocketNotifier::Hungup) {
1043                 /*eDebug("[eDVBCAService] connection closed")*/;
1044                 m_sendstate=1;
1045                 sendCAPMT();
1046         }
1047         if (what & eSocketNotifier::Error)
1048                 eDebug("[eDVBCAService] connection error");
1049 }
1050
1051 void eDVBCAService::Connect()
1052 {
1053         m_sn=0;
1054         memset(&m_servaddr, 0, sizeof(struct sockaddr_un));
1055         m_servaddr.sun_family = AF_UNIX;
1056         strcpy(m_servaddr.sun_path, "/tmp/camd.socket");
1057         m_clilen = sizeof(m_servaddr.sun_family) + strlen(m_servaddr.sun_path);
1058         m_sock = socket(PF_UNIX, SOCK_STREAM, 0);
1059         if (m_sock != -1)
1060         {
1061                 if (!connect(m_sock, (struct sockaddr *) &m_servaddr, m_clilen))
1062                 {
1063                         int val=1;
1064                         fcntl(m_sock, F_SETFL, O_NONBLOCK);
1065                         setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &val, 4);
1066                         m_sn = eSocketNotifier::create(eApp, m_sock,
1067                                 eSocketNotifier::Read|eSocketNotifier::Priority|eSocketNotifier::Error|eSocketNotifier::Hungup);
1068                         CONNECT(m_sn->activated, eDVBCAService::socketCB);
1069
1070                 }
1071 //              else
1072 //                      eDebug("[eDVBCAService] connect failed %m");
1073         }
1074         else
1075                 eDebug("[eDVBCAService] create socket failed %m");
1076 }
1077
1078 void eDVBCAService::buildCAPMT(eTable<ProgramMapSection> *ptr)
1079 {
1080         if (!ptr)
1081                 return;
1082
1083         eDVBTableSpec table_spec;
1084         ptr->getSpec(table_spec);
1085
1086         int pmtpid = table_spec.pid,
1087                 pmt_version = table_spec.version;
1088
1089         uint8_t demux_mask = 0;
1090         int data_demux = -1;
1091
1092         int iter=0, max_demux_slots = sizeof(m_used_demux);
1093         while ( iter < max_demux_slots )
1094         {
1095                 if ( m_used_demux[iter] != 0xFF )
1096                 {
1097                         if ( m_used_demux[iter] > data_demux )
1098                                 data_demux = m_used_demux[iter];
1099                         demux_mask |= (1 << m_used_demux[iter]);
1100                 }
1101                 ++iter;
1102         }
1103
1104         if ( data_demux == -1 )
1105         {
1106                 eDebug("[eDVBCAService] no data demux found for service %s", m_service.toString().c_str() );
1107                 return;
1108         }
1109
1110         eDebug("demux %d mask %02x prevhash %08x", data_demux, demux_mask, m_prev_build_hash);
1111
1112         unsigned int build_hash = ( pmtpid << 16);
1113         build_hash |= (demux_mask << 8);
1114         build_hash |= (pmt_version&0xFF);
1115
1116         if ( build_hash == m_prev_build_hash )
1117         {
1118                 eDebug("[eDVBCAService] don't build/send the same CA PMT twice");
1119                 return;
1120         }
1121
1122         std::vector<ProgramMapSection*>::const_iterator i=ptr->getSections().begin();
1123         if ( i != ptr->getSections().end() )
1124         {
1125                 CaProgramMapSection capmt(*i++, m_prev_build_hash ? 0x05 /*update*/ : 0x03 /*only*/, 0x01 );
1126
1127                 while( i != ptr->getSections().end() )
1128                 {
1129 //                      eDebug("append");
1130                         capmt.append(*i++);
1131                 }
1132
1133                 // add our private descriptors to capmt
1134                 uint8_t tmp[10];
1135
1136                 tmp[0]=0x84;  // pmt pid
1137                 tmp[1]=0x02;
1138                 tmp[2]=pmtpid>>8;
1139                 tmp[3]=pmtpid&0xFF;
1140                 capmt.injectDescriptor(tmp, false);
1141
1142                 tmp[0] = 0x82; // demux
1143                 tmp[1] = 0x02;
1144                 tmp[2] = demux_mask;    // descramble bitmask
1145                 tmp[3] = data_demux&0xFF; // read section data from demux number
1146                 capmt.injectDescriptor(tmp, false);
1147
1148                 tmp[0] = 0x81; // dvbnamespace
1149                 tmp[1] = 0x08;
1150                 tmp[2] = m_service.getDVBNamespace().get()>>24;
1151                 tmp[3]=(m_service.getDVBNamespace().get()>>16)&0xFF;
1152                 tmp[4]=(m_service.getDVBNamespace().get()>>8)&0xFF;
1153                 tmp[5]=m_service.getDVBNamespace().get()&0xFF;
1154                 tmp[6]=m_service.getTransportStreamID().get()>>8;
1155                 tmp[7]=m_service.getTransportStreamID().get()&0xFF;
1156                 tmp[8]=m_service.getOriginalNetworkID().get()>>8;
1157                 tmp[9]=m_service.getOriginalNetworkID().get()&0xFF;
1158                 capmt.injectDescriptor(tmp, false);
1159
1160                 capmt.writeToBuffer(m_capmt);
1161         }
1162
1163         m_prev_build_hash = build_hash;
1164
1165         if ( m_sendstate != 0xFFFFFFFF )
1166                 m_sendstate=0;
1167         sendCAPMT();
1168 }
1169
1170 void eDVBCAService::sendCAPMT()
1171 {
1172         if ( m_sendstate && m_sendstate != 0xFFFFFFFF ) // broken pipe retry
1173         {
1174                 ::close(m_sock);
1175                 Connect();
1176         }
1177
1178         int wp=0;
1179         if ( m_capmt[3] & 0x80 )
1180         {
1181                 int i=0;
1182                 int lenbytes = m_capmt[3] & ~0x80;
1183                 while(i < lenbytes)
1184                         wp = (wp << 8) | m_capmt[4 + i++];
1185                 wp+=4;
1186                 wp+=lenbytes;
1187         }
1188         else
1189         {
1190                 wp = m_capmt[3];
1191                 wp+=4;
1192         }
1193
1194         if ( write(m_sock, m_capmt, wp) == wp )
1195         {
1196                 m_sendstate=0xFFFFFFFF;
1197                 eDebug("[eDVBCAService] send %d bytes",wp);
1198                 eDVBChannelID chid;
1199                 m_service.getChannelID(chid);
1200                 channel_data *data = getChannelData(chid);
1201                 if (data)
1202                 {
1203                         int lenbytes = m_capmt[3] & 0x80 ? m_capmt[3] & ~0x80 : 0;
1204                         data->m_dataDemux = m_capmt[24+lenbytes];
1205                 }
1206 #if 1
1207                 for(int i=0;i<wp;i++)
1208                         eDebugNoNewLine("%02x ", m_capmt[i]);
1209                 eDebug("");
1210 #endif
1211         }
1212         else
1213         {
1214                 switch(m_sendstate)
1215                 {
1216                         case 0xFFFFFFFF:
1217                                 ++m_sendstate;
1218                                 m_retryTimer->start(0,true);
1219 //                              eDebug("[eDVBCAService] send failed .. immediate retry");
1220                                 break;
1221                         default:
1222                                 m_retryTimer->start(5000,true);
1223 //                              eDebug("[eDVBCAService] send failed .. retry in 5 sec");
1224                                 break;
1225                 }
1226                 ++m_sendstate;
1227         }
1228 }
1229
1230 static PyObject *createTuple(int pid, const char *type)
1231 {
1232         PyObject *r = PyTuple_New(2);
1233         PyTuple_SET_ITEM(r, 0, PyInt_FromLong(pid));
1234         PyTuple_SET_ITEM(r, 1, PyString_FromString(type));
1235         return r;
1236 }
1237
1238 static inline void PyList_AppendSteal(PyObject *list, PyObject *item)
1239 {
1240         PyList_Append(list, item);
1241         Py_DECREF(item);
1242 }
1243
1244 extern void PutToDict(ePyObject &dict, const char*key, ePyObject item); // defined in dvb/frontend.cpp
1245
1246 PyObject *eDVBServicePMTHandler::program::createPythonObject()
1247 {
1248         ePyObject r = PyDict_New();
1249         ePyObject l = PyList_New(0);
1250
1251         PyList_AppendSteal(l, createTuple(0, "pat"));
1252
1253         if (pmtPid != -1)
1254                 PyList_AppendSteal(l, createTuple(pmtPid, "pmt"));
1255
1256         for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
1257                         i(videoStreams.begin());
1258                         i != videoStreams.end(); ++i)
1259                 PyList_AppendSteal(l, createTuple(i->pid, "video"));
1260
1261         for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
1262                         i(audioStreams.begin());
1263                         i != audioStreams.end(); ++i)
1264                 PyList_AppendSteal(l, createTuple(i->pid, "audio"));
1265
1266         for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
1267                         i(subtitleStreams.begin());
1268                         i != subtitleStreams.end(); ++i)
1269                 PyList_AppendSteal(l, createTuple(i->pid, "subtitle"));
1270
1271         PyList_AppendSteal(l, createTuple(pcrPid, "pcr"));
1272
1273         if (textPid != -1)
1274                 PyList_AppendSteal(l, createTuple(textPid, "text"));
1275
1276         PutToDict(r, "pids", l);
1277
1278         return r;
1279 }