code.vuplus.com Git - vuplus_dvbapp/blob - lib/service/servicedvbrecord.cpp

   1 #include <lib/service/servicedvbrecord.h>
   2 #include <lib/base/eerror.h>
   3 #include <lib/dvb/epgcache.h>
   4 #include <lib/dvb/metaparser.h>
   5 #include <lib/base/httpstream.h>
   6 #include <fcntl.h>
   7
   8         /* for cutlist */
   9 #include <byteswap.h>
  10 #include <netinet/in.h>
  11
  12 #ifndef BYTE_ORDER
  13 #error no byte order defined!
  14 #endif
  15
  16 DEFINE_REF(eDVBServiceRecord);
  17
  18 eDVBServiceRecord::eDVBServiceRecord(const eServiceReferenceDVB &ref, bool isstreamclient = false):
  19         m_ref(ref),m_is_stream_client(isstreamclient)
  20 {
  21         CONNECT(m_service_handler.serviceEvent, eDVBServiceRecord::serviceEvent);
  22         CONNECT(m_event_handler.m_eit_changed, eDVBServiceRecord::gotNewEvent);
  23         m_state = stateIdle;
  24         m_want_record = 0;
  25         m_tuned = 0;
  26         m_target_fd = -1;
  27         m_error = 0;
  28         m_streaming = 0;
  29         m_simulate = false;
  30         m_last_event_id = -1;
  31 }
  32
  33 void eDVBServiceRecord::serviceEvent(int event)
  34 {
  35         eDebug("RECORD service event %d", event);
  36         switch (event)
  37         {
  38         case eDVBServicePMTHandler::eventTuned:
  39         {
  40                 eDebug("tuned..");
  41                 m_tuned = 1;
  42
  43                         /* start feeding EIT updates */
  44                 ePtr<iDVBDemux> m_demux;
  45                 if (!m_service_handler.getDataDemux(m_demux))
  46                 {
  47                         eServiceReferenceDVB &ref = (eServiceReferenceDVB&) m_ref;
  48                         int sid = ref.getParentServiceID().get();
  49                         if (!sid)
  50                                 sid = ref.getServiceID().get();
  51                         if ( ref.getParentTransportStreamID().get() &&
  52                                 ref.getParentTransportStreamID() != ref.getTransportStreamID() )
  53                                 m_event_handler.startOther(m_demux, sid);
  54                         else
  55                                 m_event_handler.start(m_demux, sid);
  56                 }
  57
  58                 if (m_state == stateRecording && m_want_record)
  59                         doRecord();
  60                 m_event((iRecordableService*)this, evTunedIn);
  61                 break;
  62         }
  63         case eDVBServicePMTHandler::eventTuneFailed:
  64         {
  65                 eDebug("record failed to tune");
  66                 m_event((iRecordableService*)this, evTuneFailed);
  67                 break;
  68         }
  69         case eDVBServicePMTHandler::eventNewProgramInfo:
  70         {
  71                 if (m_state == stateIdle)
  72                         doPrepare();
  73                 else if (m_want_record) /* doRecord can be called from Prepared and Recording state */
  74                         doRecord();
  75                 m_event((iRecordableService*)this, evNewProgramInfo);
  76                 break;
  77         }
  78         case eDVBServicePMTHandler::eventMisconfiguration:
  79                 m_error = errMisconfiguration;
  80                 m_event((iRecordableService*)this, evTuneFailed);
  81                 break;
  82         case eDVBServicePMTHandler::eventNoResources:
  83                 m_error = errNoResources;
  84                 m_event((iRecordableService*)this, evTuneFailed);
  85                 break;
  86         }
  87 }
  88
  89 RESULT eDVBServiceRecord::prepare(const char *filename, time_t begTime, time_t endTime, int eit_event_id, const char *name, const char *descr, const char *tags)
  90 {
  91         m_filename = filename;
  92         m_streaming = 0;
  93
  94         if (m_state == stateIdle)
  95         {
  96                 int ret = doPrepare();
  97                 if (!ret)
  98                 {
  99                         eServiceReferenceDVB ref = m_ref.getParentServiceReference();
 100                         ePtr<eDVBResourceManager> res_mgr;
 101                         eDVBMetaParser meta;
 102                         std::string service_data;
 103                         if (!ref.valid())
 104                                 ref = m_ref;
 105                         if (!eDVBResourceManager::getInstance(res_mgr))
 106                         {
 107                                 ePtr<iDVBChannelList> db;
 108                                 if (!res_mgr->getChannelList(db))
 109                                 {
 110                                         ePtr<eDVBService> service;
 111                                         if (!db->getService(ref, service))
 112                                         {
 113                                                 char tmp[255];
 114                                                 sprintf(tmp, "f:%x", service->m_flags);
 115                                                 service_data += tmp;
 116                                                 // cached pids
 117                                                 for (int x=0; x < eDVBService::cacheMax; ++x)
 118                                                 {
 119                                                         int entry = service->getCacheEntry((eDVBService::cacheID)x);
 120                                                         if (entry != -1)
 121                                                         {
 122                                                                 sprintf(tmp, ",c:%02d%04x", x, entry);
 123                                                                 service_data += tmp;
 124                                                         }
 125                                                 }
 126                                         }
 127                                 }
 128                         }
 129                         meta.m_time_create = begTime;
 130                         meta.m_ref = m_ref;
 131                         meta.m_data_ok = 1;
 132                         meta.m_service_data = service_data;
 133                         if (name)
 134                                 meta.m_name = name;
 135                         if (descr)
 136                                 meta.m_description = descr;
 137                         if (tags)
 138                                 meta.m_tags = tags;
 139                         ret = meta.updateMeta(filename) ? -255 : 0;
 140                         if (!ret)
 141                         {
 142                                 const eit_event_struct *event = 0;
 143                                 eEPGCache::getInstance()->Lock();
 144                                 if ( eit_event_id != -1 )
 145                                 {
 146                                         eDebug("query epg event id %d", eit_event_id);
 147                                         eEPGCache::getInstance()->lookupEventId(ref, eit_event_id, event);
 148                                 }
 149                                 if ( !event && (begTime != -1 && endTime != -1) )
 150                                 {
 151                                         time_t queryTime = begTime + ((endTime-begTime)/2);
 152                                         tm beg, end, query;
 153                                         localtime_r(&begTime, &beg);
 154                                         localtime_r(&endTime, &end);
 155                                         localtime_r(&queryTime, &query);
 156                                         eDebug("query stime %d:%d:%d, etime %d:%d:%d, qtime %d:%d:%d",
 157                                                 beg.tm_hour, beg.tm_min, beg.tm_sec,
 158                                                 end.tm_hour, end.tm_min, end.tm_sec,
 159                                                 query.tm_hour, query.tm_min, query.tm_sec);
 160                                         eEPGCache::getInstance()->lookupEventTime(ref, queryTime, event);
 161                                 }
 162                                 if ( event )
 163                                 {
 164                                         eDebug("found event.. store to disc");
 165                                         std::string fname = filename;
 166                                         fname.erase(fname.length()-2, 2);
 167                                         fname+="eit";
 168                                         int fd = open(fname.c_str(), O_CREAT|O_WRONLY, 0777);
 169                                         if (fd>-1)
 170                                         {
 171                                                 int evLen=HILO(event->descriptors_loop_length)+12/*EIT_LOOP_SIZE*/;
 172                                                 int wr = ::write( fd, (unsigned char*)event, evLen );
 173                                                 if ( wr != evLen )
 174                                                         eDebug("eit write error (%m)");
 175                                                 ::close(fd);
 176                                         }
 177                                 }
 178                                 eEPGCache::getInstance()->Unlock();
 179                         }
 180                 }
 181                 return ret;
 182         }
 183         return -1;
 184 }
 185
 186 RESULT eDVBServiceRecord::prepareStreaming()
 187 {
 188         m_filename = "";
 189         m_streaming = 1;
 190         if (m_state == stateIdle)
 191                 return doPrepare();
 192         return -1;
 193 }
 194
 195 RESULT eDVBServiceRecord::start(bool simulate)
 196 {
 197         m_simulate = simulate;
 198         m_want_record = 1;
 199                 /* when tune wasn't yet successfully, doRecord stays in "prepared"-state which is fine. */
 200         m_event((iRecordableService*)this, evStart);
 201         return doRecord();
 202 }
 203
 204 RESULT eDVBServiceRecord::stop()
 205 {
 206         if (!m_simulate)
 207                 eDebug("stop recording!");
 208         if (m_state == stateRecording)
 209         {
 210                 if (m_record)
 211                         m_record->stop();
 212                 if (m_target_fd >= 0)
 213                 {
 214                         ::close(m_target_fd);
 215                         m_target_fd = -1;
 216                 }
 217
 218                 saveCutlist();
 219
 220                 m_state = statePrepared;
 221         } else if (!m_simulate)
 222                 eDebug("(was not recording)");
 223         if (m_state == statePrepared)
 224         {
 225                 m_record = 0;
 226                 m_state = stateIdle;
 227         }
 228         m_event((iRecordableService*)this, evRecordStopped);
 229         return 0;
 230 }
 231
 232 int eDVBServiceRecord::doPrepare()
 233 {
 234                 /* allocate a ts recorder if we don't already have one. */
 235         if (m_state == stateIdle)
 236         {
 237                 bool isstreamclient = false;
 238                 m_pids_active.clear();
 239                 m_state = statePrepared;
 240                 ePtr<iTsSource> source;
 241                 if (!m_ref.path.empty())
 242                 {
 243                         if (m_is_stream_client)
 244                         {
 245                                 isstreamclient = true;
 246                                 eHttpStream *f = new eHttpStream();
 247                                 f->open(m_ref.path.c_str());
 248                                 source = ePtr<iTsSource>(f);
 249                         }
 250                         else
 251                         {
 252                                 /* re-record a recording */
 253                                 eRawFile *f = new eRawFile();
 254                                 f->open(m_ref.path.c_str());
 255                                 source = ePtr<iTsSource>(f);
 256                         }
 257                 }
 258                 return m_service_handler.tuneExt(m_ref, 0, source, m_ref.path.c_str(), 0, m_simulate, 0, isstreamclient);
 259         }
 260         return 0;
 261 }
 262
 263 int eDVBServiceRecord::doRecord()
 264 {
 265         int err = doPrepare();
 266         if (err)
 267         {
 268                 m_error = errTuneFailed;
 269                 m_event((iRecordableService*)this, evRecordFailed);
 270                 return err;
 271         }
 272
 273         if (!m_tuned)
 274                 return 0; /* try it again when we are tuned in */
 275
 276         if (!m_record && m_tuned && !m_streaming && !m_simulate)
 277         {
 278                 eDebug("Recording to %s...", m_filename.c_str());
 279                 ::remove(m_filename.c_str());
 280                 int fd = ::open(m_filename.c_str(), O_WRONLY|O_CREAT|O_LARGEFILE, 0644);
 281                 if (fd == -1)
 282                 {
 283                         eDebug("eDVBServiceRecord - can't open recording file!");
 284                         m_error = errOpenRecordFile;
 285                         m_event((iRecordableService*)this, evRecordFailed);
 286                         return errOpenRecordFile;
 287                 }
 288
 289                         /* turn off kernel caching strategies */
 290                 posix_fadvise(fd, 0, 0, POSIX_FADV_RANDOM);
 291
 292                 ePtr<iDVBDemux> demux;
 293                 if (m_service_handler.getDataDemux(demux))
 294                 {
 295                         eDebug("eDVBServiceRecord - NO DEMUX available!");
 296                         m_error = errNoDemuxAvailable;
 297                         m_event((iRecordableService*)this, evRecordFailed);
 298                         return errNoDemuxAvailable;
 299                 }
 300                 demux->createTSRecorder(m_record);
 301                 if (!m_record)
 302                 {
 303                         eDebug("eDVBServiceRecord - no ts recorder available.");
 304                         m_error = errNoTsRecorderAvailable;
 305                         m_event((iRecordableService*)this, evRecordFailed);
 306                         return errNoTsRecorderAvailable;
 307                 }
 308                 m_record->setTargetFD(fd);
 309                 m_record->setTargetFilename(m_filename.c_str());
 310                 m_record->connectEvent(slot(*this, &eDVBServiceRecord::recordEvent), m_con_record_event);
 311
 312                 m_target_fd = fd;
 313         }
 314
 315         if (m_streaming)
 316         {
 317                 m_state = stateRecording;
 318                 eDebug("start streaming...");
 319         } else
 320         {
 321                 eDebug("start recording...");
 322
 323                 eDVBServicePMTHandler::program program;
 324                 if (m_service_handler.getProgramInfo(program))
 325                         eDebug("getting program info failed.");
 326                 else
 327                 {
 328                         std::set<int> pids_to_record;
 329
 330                         pids_to_record.insert(0); // PAT
 331
 332                         if (program.pmtPid != -1)
 333                                 pids_to_record.insert(program.pmtPid); // PMT
 334
 335                         int timing_pid = -1, timing_pid_type = -1;
 336
 337                         eDebugNoNewLine("RECORD: have %zd video stream(s)", program.videoStreams.size());
 338                         if (!program.videoStreams.empty())
 339                         {
 340                                 eDebugNoNewLine(" (");
 341                                 for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
 342                                         i(program.videoStreams.begin());
 343                                         i != program.videoStreams.end(); ++i)
 344                                 {
 345                                         pids_to_record.insert(i->pid);
 346
 347                                         if (timing_pid == -1)
 348                                         {
 349                                                 timing_pid = i->pid;
 350                                                 timing_pid_type = i->type;
 351                                         }
 352
 353                                         if (i != program.videoStreams.begin())
 354                                                         eDebugNoNewLine(", ");
 355                                         eDebugNoNewLine("%04x", i->pid);
 356                                 }
 357                                 eDebugNoNewLine(")");
 358                         }
 359                         eDebugNoNewLine(", and %zd audio stream(s)", program.audioStreams.size());
 360                         if (!program.audioStreams.empty())
 361                         {
 362                                 eDebugNoNewLine(" (");
 363                                 for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
 364                                         i(program.audioStreams.begin());
 365                                         i != program.audioStreams.end(); ++i)
 366                                 {
 367                                         pids_to_record.insert(i->pid);
 368
 369                                         if (timing_pid == -1)
 370                                         {
 371                                                 timing_pid = i->pid;
 372                                                 timing_pid_type = -1;
 373                                         }
 374
 375                                         if (i != program.audioStreams.begin())
 376                                                 eDebugNoNewLine(", ");
 377                                         eDebugNoNewLine("%04x", i->pid);
 378                                 }
 379                                 eDebugNoNewLine(")");
 380                         }
 381                         if (!program.subtitleStreams.empty())
 382                         {
 383                                 eDebugNoNewLine(" (");
 384                                 for (std::vector<eDVBServicePMTHandler::subtitleStream>::const_iterator
 385                                         i(program.subtitleStreams.begin());
 386                                         i != program.subtitleStreams.end(); ++i)
 387                                 {
 388                                         pids_to_record.insert(i->pid);
 389
 390                                         if (i != program.subtitleStreams.begin())
 391                                                 eDebugNoNewLine(", ");
 392                                         eDebugNoNewLine("%04x", i->pid);
 393                                 }
 394                                 eDebugNoNewLine(")");
 395                         }
 396                         eDebugNoNewLine(", and the pcr pid is %04x", program.pcrPid);
 397                         if (program.pcrPid != 0x1fff)
 398                                 pids_to_record.insert(program.pcrPid);
 399                         eDebug(", and the text pid is %04x", program.textPid);
 400                         if (program.textPid != -1)
 401                                 pids_to_record.insert(program.textPid); // Videotext
 402
 403                                 /* find out which pids are NEW and which pids are obsolete.. */
 404                         std::set<int> new_pids, obsolete_pids;
 405
 406                         std::set_difference(pids_to_record.begin(), pids_to_record.end(),
 407                                         m_pids_active.begin(), m_pids_active.end(),
 408                                         std::inserter(new_pids, new_pids.begin()));
 409
 410                         std::set_difference(
 411                                         m_pids_active.begin(), m_pids_active.end(),
 412                                         pids_to_record.begin(), pids_to_record.end(),
 413                                         std::inserter(obsolete_pids, obsolete_pids.begin())
 414                                         );
 415
 416                         for (std::set<int>::iterator i(new_pids.begin()); i != new_pids.end(); ++i)
 417                         {
 418                                 eDebug("ADD PID: %04x", *i);
 419                                 m_record->addPID(*i);
 420                         }
 421
 422                         for (std::set<int>::iterator i(obsolete_pids.begin()); i != obsolete_pids.end(); ++i)
 423                         {
 424                                 eDebug("REMOVED PID: %04x", *i);
 425                                 m_record->removePID(*i);
 426                         }
 427
 428                         if (timing_pid != -1)
 429                                 m_record->setTimingPID(timing_pid, timing_pid_type);
 430
 431                         m_pids_active = pids_to_record;
 432
 433                         if (m_state != stateRecording)
 434                         {
 435                                 m_record->start();
 436                                 m_state = stateRecording;
 437                         }
 438                 }
 439         }
 440         m_error = 0;
 441         m_event((iRecordableService*)this, evRecordRunning);
 442         return 0;
 443 }
 444
 445 RESULT eDVBServiceRecord::frontendInfo(ePtr<iFrontendInformation> &ptr)
 446 {
 447         ptr = this;
 448         return 0;
 449 }
 450
 451 RESULT eDVBServiceRecord::connectEvent(const Slot2<void,iRecordableService*,int> &event, ePtr<eConnection> &connection)
 452 {
 453         connection = new eConnection((iRecordableService*)this, m_event.connect(event));
 454         return 0;
 455 }
 456
 457 RESULT eDVBServiceRecord::stream(ePtr<iStreamableService> &ptr)
 458 {
 459         ptr = this;
 460         return 0;
 461 }
 462
 463 extern void PutToDict(ePyObject &dict, const char*key, long val);  // defined in dvb/frontend.cpp
 464
 465 PyObject *eDVBServiceRecord::getStreamingData()
 466 {
 467         eDVBServicePMTHandler::program program;
 468         if (!m_tuned || m_service_handler.getProgramInfo(program))
 469         {
 470                 Py_RETURN_NONE;
 471         }
 472
 473         ePyObject r = program.createPythonObject();
 474         ePtr<iDVBDemux> demux;
 475         if (!m_service_handler.getDataDemux(demux))
 476         {
 477                 uint8_t demux_id;
 478                 if (!demux->getCADemuxID(demux_id))
 479                         PutToDict(r, "demux", demux_id);
 480         }
 481
 482         return r;
 483 }
 484
 485 void eDVBServiceRecord::recordEvent(int event)
 486 {
 487         switch (event)
 488         {
 489         case iDVBTSRecorder::eventWriteError:
 490                 eWarning("[eDVBServiceRecord] record write error");
 491                 stop();
 492                 m_event((iRecordableService*)this, evRecordWriteError);
 493                 return;
 494         default:
 495                 eDebug("unhandled record event %d", event);
 496         }
 497 }
 498
 499 void eDVBServiceRecord::gotNewEvent()
 500 {
 501         ePtr<eServiceEvent> event_now;
 502         m_event_handler.getEvent(event_now, 0);
 503
 504         if (!event_now)
 505                 return;
 506
 507         int event_id = event_now->getEventId();
 508
 509         pts_t p;
 510
 511         if (m_record)
 512         {
 513                 if (m_record->getCurrentPCR(p))
 514                         eDebug("getting PCR failed!");
 515                 else
 516                 {
 517                         m_event_timestamps[event_id] = p;
 518                         eDebug("pcr of eit change: %llx", p);
 519                 }
 520         }
 521
 522         if (event_id != m_last_event_id)
 523                 eDebug("[eDVBServiceRecord] now running: %s (%d seconds)", event_now->getEventName().c_str(), event_now->getDuration());
 524
 525         m_last_event_id = event_id;
 526
 527         m_event((iRecordableService*)this, evNewEventInfo);
 528 }
 529
 530 void eDVBServiceRecord::saveCutlist()
 531 {
 532                         /* XXX: dupe of eDVBServicePlay::saveCuesheet, refactor plz */
 533         std::string filename = m_filename + ".cuts";
 534
 535         eDVBTSTools tstools;
 536
 537         if (tstools.openFile(m_filename.c_str()))
 538         {
 539                 eDebug("[eDVBServiceRecord] saving cutlist failed because tstools failed");
 540                 return;
 541         }
 542
 543         FILE *f = fopen(filename.c_str(), "wb");
 544
 545         if (f)
 546         {
 547                 unsigned long long where;
 548                 int what;
 549
 550                 for (std::map<int,pts_t>::iterator i(m_event_timestamps.begin()); i != m_event_timestamps.end(); ++i)
 551                 {
 552                         pts_t p = i->second;
 553                         off_t offset = 0; // fixme, we need to note down both
 554                         if (tstools.fixupPTS(offset, p))
 555                         {
 556                                 eDebug("[eDVBServiceRecord] fixing up PTS failed, not saving");
 557                                 continue;
 558                         }
 559                         eDebug("fixed up %llx to %llx (offset %llx)", i->second, p, offset);
 560 #if BYTE_ORDER == BIG_ENDIAN
 561                         where = p;
 562 #else
 563                         where = bswap_64(p);
 564 #endif
 565                         what = htonl(2); /* mark */
 566                         fwrite(&where, sizeof(where), 1, f);
 567                         fwrite(&what, sizeof(what), 1, f);
 568                 }
 569                 fclose(f);
 570         }
 571
 572 }
 573
 574 RESULT eDVBServiceRecord::subServices(ePtr<iSubserviceList> &ptr)
 575 {
 576         ptr = this;
 577         return 0;
 578 }
 579
 580 int eDVBServiceRecord::getNumberOfSubservices()
 581 {
 582         ePtr<eServiceEvent> evt;
 583         if (!m_event_handler.getEvent(evt, 0))
 584                 return evt->getNumOfLinkageServices();
 585         return 0;
 586 }
 587
 588 RESULT eDVBServiceRecord::getSubservice(eServiceReference &sub, unsigned int n)
 589 {
 590         ePtr<eServiceEvent> evt;
 591         if (!m_event_handler.getEvent(evt, 0))
 592         {
 593                 if (!evt->getLinkageService(sub, m_ref, n))
 594                         return 0;
 595         }
 596         sub.type=eServiceReference::idInvalid;
 597         return -1;
 598 }