lib/service/servicedvb.cpp

   1 #include <lib/base/eerror.h>
   2 #include <lib/base/object.h>
   3 #include <string>
   4 #include <lib/service/servicedvb.h>
   5 #include <lib/service/service.h>
   6 #include <lib/base/init_num.h>
   7 #include <lib/base/init.h>
   8
   9 #include <lib/dvb/dvb.h>
  10 #include <lib/dvb/db.h>
  11
  12 #include <lib/service/servicedvbrecord.h>
  13 #include <lib/dvb/metaparser.h>
  14 #include <lib/dvb/tstools.h>
  15
  16 class eStaticServiceDVBInformation: public iStaticServiceInformation
  17 {
  18         DECLARE_REF(eStaticServiceDVBInformation);
  19 public:
  20         RESULT getName(const eServiceReference &ref, std::string &name);
  21         int getLength(const eServiceReference &ref);
  22 };
  23
  24 DEFINE_REF(eStaticServiceDVBInformation);
  25
  26 RESULT eStaticServiceDVBInformation::getName(const eServiceReference &ref, std::string &name)
  27 {
  28         if ( ref.name.length() )
  29         {
  30                 name = ref.name;
  31                 return 0;
  32         }
  33         else
  34                 return -1;
  35 }
  36
  37 int eStaticServiceDVBInformation::getLength(const eServiceReference &ref)
  38 {
  39         return -1;
  40 }
  41
  42 class eStaticServiceDVBBouquetInformation: public iStaticServiceInformation
  43 {
  44         DECLARE_REF(eStaticServiceDVBBouquetInformation);
  45 public:
  46         RESULT getName(const eServiceReference &ref, std::string &name);
  47         int getLength(const eServiceReference &ref);
  48 };
  49
  50 DEFINE_REF(eStaticServiceDVBBouquetInformation);
  51
  52 RESULT eStaticServiceDVBBouquetInformation::getName(const eServiceReference &ref, std::string &name)
  53 {
  54         ePtr<iDVBChannelList> db;
  55         ePtr<eDVBResourceManager> res;
  56
  57         int err;
  58         if ((err = eDVBResourceManager::getInstance(res)) != 0)
  59         {
  60                 eDebug("eStaticServiceDVBBouquetInformation::getName failed.. no resource manager!");
  61                 return err;
  62         }
  63         if ((err = res->getChannelList(db)) != 0)
  64         {
  65                 eDebug("eStaticServiceDVBBouquetInformation::getName failed.. no channel list!");
  66                 return err;
  67         }
  68
  69         const eBouquet *bouquet=0;
  70         if ((err = db->getBouquet(ref, bouquet)) != 0)
  71         {
  72                 eDebug("eStaticServiceDVBBouquetInformation::getName failed.. getBouquet failed!");
  73                 return -1;
  74         }
  75
  76         if ( bouquet && bouquet->m_bouquet_name.length() )
  77         {
  78                 name = "[Bouquet] " + bouquet->m_bouquet_name;
  79                 return 0;
  80         }
  81         else
  82                 return -1;
  83 }
  84
  85 int eStaticServiceDVBBouquetInformation::getLength(const eServiceReference &ref)
  86 {
  87         return -1;
  88 }
  89
  90 class eStaticServiceDVBPVRInformation: public iStaticServiceInformation
  91 {
  92         DECLARE_REF(eStaticServiceDVBPVRInformation);
  93         eServiceReference m_ref;
  94         eDVBMetaParser m_parser;
  95 public:
  96         eStaticServiceDVBPVRInformation(const eServiceReference &ref);
  97         RESULT getName(const eServiceReference &ref, std::string &name);
  98         int getLength(const eServiceReference &ref);
  99 };
 100
 101 DEFINE_REF(eStaticServiceDVBPVRInformation);
 102
 103 eStaticServiceDVBPVRInformation::eStaticServiceDVBPVRInformation(const eServiceReference &ref)
 104 {
 105         m_ref = ref;
 106         m_parser.parseFile(ref.path);
 107 }
 108
 109 RESULT eStaticServiceDVBPVRInformation::getName(const eServiceReference &ref, std::string &name)
 110 {
 111         ASSERT(ref == m_ref);
 112         name = m_parser.m_name.size() ? m_parser.m_name : ref.path;
 113         return 0;
 114 }
 115
 116 int eStaticServiceDVBPVRInformation::getLength(const eServiceReference &ref)
 117 {
 118         ASSERT(ref == m_ref);
 119
 120         eDVBTSTools tstools;
 121
 122         if (tstools.openFile(ref.path.c_str()))
 123                 return 0;
 124
 125         pts_t len;
 126         if (tstools.calcLen(len))
 127                 return 0;
 128
 129         return len / 90000;
 130 }
 131
 132
 133
 134 class eDVBPVRServiceOfflineOperations: public iServiceOfflineOperations
 135 {
 136         DECLARE_REF(eDVBPVRServiceOfflineOperations);
 137         eServiceReferenceDVB m_ref;
 138 public:
 139         eDVBPVRServiceOfflineOperations(const eServiceReference &ref);
 140
 141         RESULT deleteFromDisk(int simulate);
 142         RESULT getListOfFilenames(std::list<std::string> &);
 143 };
 144
 145 DEFINE_REF(eDVBPVRServiceOfflineOperations);
 146
 147 eDVBPVRServiceOfflineOperations::eDVBPVRServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReferenceDVB&)ref)
 148 {
 149 }
 150
 151 RESULT eDVBPVRServiceOfflineOperations::deleteFromDisk(int simulate)
 152 {
 153         if (simulate)
 154                 return 0;
 155         else
 156         {
 157                 std::list<std::string> res;
 158                 if (getListOfFilenames(res))
 159                         return -1;
 160
 161                                 /* TODO: deferred removing.. */
 162                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 163                 {
 164                         eDebug("Removing %s...", i->c_str());
 165                         ::unlink(i->c_str());
 166                 }
 167
 168                 return 0;
 169         }
 170 }
 171
 172 RESULT eDVBPVRServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 173 {
 174         res.clear();
 175         res.push_back(m_ref.path);
 176         return 0;
 177 }
 178
 179
 180
 181 DEFINE_REF(eServiceFactoryDVB)
 182
 183 eServiceFactoryDVB::eServiceFactoryDVB()
 184 {
 185         ePtr<eServiceCenter> sc;
 186
 187         eServiceCenter::getPrivInstance(sc);
 188         if (sc)
 189                 sc->addServiceFactory(eServiceFactoryDVB::id, this);
 190 }
 191
 192 eServiceFactoryDVB::~eServiceFactoryDVB()
 193 {
 194         ePtr<eServiceCenter> sc;
 195
 196         eServiceCenter::getPrivInstance(sc);
 197         if (sc)
 198                 sc->removeServiceFactory(eServiceFactoryDVB::id);
 199 }
 200
 201 DEFINE_REF(eDVBServiceList);
 202
 203 eDVBServiceList::eDVBServiceList(const eServiceReference &parent): m_parent(parent)
 204 {
 205 }
 206
 207 eDVBServiceList::~eDVBServiceList()
 208 {
 209 }
 210
 211 RESULT eDVBServiceList::startQuery()
 212 {
 213         ePtr<iDVBChannelList> db;
 214         ePtr<eDVBResourceManager> res;
 215
 216         int err;
 217         if ((err = eDVBResourceManager::getInstance(res)) != 0)
 218         {
 219                 eDebug("no resource manager");
 220                 return err;
 221         }
 222         if ((err = res->getChannelList(db)) != 0)
 223         {
 224                 eDebug("no channel list");
 225                 return err;
 226         }
 227
 228         ePtr<eDVBChannelQuery> q;
 229
 230         if (m_parent.path.size())
 231         {
 232                 eDVBChannelQuery::compile(q, m_parent.path);
 233                 if (!q)
 234                 {
 235                         eDebug("compile query failed");
 236                         return err;
 237                 }
 238         }
 239
 240         if ((err = db->startQuery(m_query, q, m_parent)) != 0)
 241         {
 242                 eDebug("startQuery failed");
 243                 return err;
 244         }
 245
 246         return 0;
 247 }
 248
 249 RESULT eDVBServiceList::getContent(std::list<eServiceReference> &list)
 250 {
 251         eServiceReferenceDVB ref;
 252
 253         if (!m_query)
 254                 return -1;
 255
 256         while (!m_query->getNextResult(ref))
 257                 list.push_back(ref);
 258         return 0;
 259 }
 260
 261 RESULT eDVBServiceList::getNext(eServiceReference &ref)
 262 {
 263         if (!m_query)
 264                 return -1;
 265
 266         return m_query->getNextResult((eServiceReferenceDVB&)ref);
 267 }
 268
 269 int eDVBServiceList::compareLessEqual(const eServiceReference &a, const eServiceReference &b)
 270 {
 271         return m_query->compareLessEqual((const eServiceReferenceDVB&)a, (const eServiceReferenceDVB&)b);
 272 }
 273
 274 RESULT eServiceFactoryDVB::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
 275 {
 276         ePtr<eDVBService> service;
 277         int r = lookupService(service, ref);
 278         if (r)
 279                 service = 0;
 280                 // check resources...
 281         ptr = new eDVBServicePlay(ref, service);
 282         return 0;
 283 }
 284
 285 RESULT eServiceFactoryDVB::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
 286 {
 287         ptr = new eDVBServiceRecord((eServiceReferenceDVB&)ref);
 288         return 0;
 289 }
 290
 291 RESULT eServiceFactoryDVB::list(const eServiceReference &ref, ePtr<iListableService> &ptr)
 292 {
 293         ePtr<eDVBServiceList> list = new eDVBServiceList(ref);
 294         if (list->startQuery())
 295         {
 296                 ptr = 0;
 297                 return -1;
 298         }
 299
 300         ptr = list;
 301         return 0;
 302 }
 303
 304 RESULT eServiceFactoryDVB::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
 305 {
 306                 /* do we have a PVR service? */
 307         if (ref.flags & eServiceReference::flagDirectory) // bouquet
 308         {
 309                 ptr = new eStaticServiceDVBBouquetInformation;
 310                 return 0;
 311         }
 312         else if (ref.path.size())
 313         {
 314                 ptr = new eStaticServiceDVBPVRInformation(ref);
 315                 return 0;
 316         }
 317         else
 318         {
 319                 ePtr<eDVBService> service;
 320                 int r = lookupService(service, ref);
 321                 if (r)
 322                         ptr = new eStaticServiceDVBInformation;
 323                 else
 324                         /* eDVBService has the iStaticServiceInformation interface, so we pass it here. */
 325                         ptr = service;
 326                 return 0;
 327         }
 328 }
 329
 330 RESULT eServiceFactoryDVB::offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr)
 331 {
 332         ptr = 0;
 333         return -1;
 334 }
 335
 336 RESULT eServiceFactoryDVB::lookupService(ePtr<eDVBService> &service, const eServiceReference &ref)
 337 {
 338                         // TODO: handle the listing itself
 339         // if (ref.... == -1) .. return "... bouquets ...";
 340         // could be also done in another serviceFactory (with seperate ID) to seperate actual services and lists
 341                         // TODO: cache
 342         ePtr<iDVBChannelList> db;
 343         ePtr<eDVBResourceManager> res;
 344
 345         int err;
 346         if ((err = eDVBResourceManager::getInstance(res)) != 0)
 347         {
 348                 eDebug("no resource manager");
 349                 return err;
 350         }
 351         if ((err = res->getChannelList(db)) != 0)
 352         {
 353                 eDebug("no channel list");
 354                 return err;
 355         }
 356
 357                 /* we are sure to have a ..DVB reference as the info() call was forwarded here according to it's ID. */
 358         if ((err = db->getService((eServiceReferenceDVB&)ref, service)) != 0)
 359         {
 360                 eDebug("getService failed!");
 361                 return err;
 362         }
 363
 364         return 0;
 365 }
 366
 367 eDVBServicePlay::eDVBServicePlay(const eServiceReference &ref, eDVBService *service):
 368         m_reference(ref), m_dvb_service(service), m_service_handler(0)
 369 {
 370         m_is_pvr = !ref.path.empty();
 371
 372         CONNECT(m_service_handler.serviceEvent, eDVBServicePlay::serviceEvent);
 373         CONNECT(m_event_handler.m_eit_changed, eDVBServicePlay::gotNewEvent);
 374 }
 375
 376 eDVBServicePlay::~eDVBServicePlay()
 377 {
 378 }
 379
 380 void eDVBServicePlay::gotNewEvent()
 381 {
 382 #if 0
 383                 // debug only
 384         ePtr<eServiceEvent> m_event_now, m_event_next;
 385         getEvent(m_event_now, 0);
 386         getEvent(m_event_next, 1);
 387
 388         if (m_event_now)
 389                 eDebug("now running: %s (%d seconds :)", m_event_now->m_event_name.c_str(), m_event_now->m_duration);
 390         if (m_event_next)
 391                 eDebug("next running: %s (%d seconds :)", m_event_next->m_event_name.c_str(), m_event_next->m_duration);
 392 #endif
 393         m_event((iPlayableService*)this, evUpdatedEventInfo);
 394 }
 395
 396 void eDVBServicePlay::serviceEvent(int event)
 397 {
 398         switch (event)
 399         {
 400         case eDVBServicePMTHandler::eventTuned:
 401         {
 402                 ePtr<iDVBDemux> m_demux;
 403                 if (!m_service_handler.getDemux(m_demux))
 404                 {
 405 //                      eventStartedEventAcquisition
 406                         m_event_handler.start(m_demux, ((eServiceReferenceDVB&)m_reference).getServiceID().get());
 407                 }
 408 //                      eventNoEvent
 409                 break;
 410         }
 411         case eDVBServicePMTHandler::eventTuneFailed:
 412         {
 413                 eDebug("DVB service failed to tune");
 414                 m_event((iPlayableService*)this, evTuneFailed);
 415                 break;
 416         }
 417         case eDVBServicePMTHandler::eventNewProgramInfo:
 418         {
 419                 int vpid = -1, apid = -1, pcrpid = -1;
 420                 eDVBServicePMTHandler::program program;
 421                 if (m_service_handler.getProgramInfo(program))
 422                         eDebug("getting program info failed.");
 423                 else
 424                 {
 425                         eDebugNoNewLine("have %d video stream(s)", program.videoStreams.size());
 426                         if (!program.videoStreams.empty())
 427                         {
 428                                 eDebugNoNewLine(" (");
 429                                 for (std::vector<eDVBServicePMTHandler::videoStream>::const_iterator
 430                                         i(program.videoStreams.begin());
 431                                         i != program.videoStreams.end(); ++i)
 432                                 {
 433                                         if (vpid == -1)
 434                                                 vpid = i->pid;
 435                                         if (i != program.videoStreams.begin())
 436                                                 eDebugNoNewLine(", ");
 437                                         eDebugNoNewLine("%04x", i->pid);
 438                                 }
 439                                 eDebugNoNewLine(")");
 440                         }
 441                         eDebugNoNewLine(", and %d audio stream(s)", program.audioStreams.size());
 442                         if (!program.audioStreams.empty())
 443                         {
 444                                 eDebugNoNewLine(" (");
 445                                 for (std::vector<eDVBServicePMTHandler::audioStream>::const_iterator
 446                                         i(program.audioStreams.begin());
 447                                         i != program.audioStreams.end(); ++i)
 448                                 {
 449                                         if (apid == -1)
 450                                                 apid = i->pid;
 451                                         if (i != program.audioStreams.begin())
 452                                                 eDebugNoNewLine(", ");
 453                                         eDebugNoNewLine("%04x", i->pid);
 454                                 }
 455                                 eDebugNoNewLine(")");
 456                         }
 457                         eDebug(", and the pcr pid is %04x", program.pcrPid);
 458                         if (program.pcrPid != 0x1fff)
 459                                 pcrpid = program.pcrPid;
 460                 }
 461
 462                 if (!m_decoder)
 463                 {
 464                         ePtr<iDVBDemux> demux;
 465                         m_service_handler.getDemux(demux);
 466                         if (demux)
 467                                 demux->getMPEGDecoder(m_decoder);
 468                 }
 469
 470                 if (m_decoder)
 471                 {
 472                         m_decoder->setVideoPID(vpid);
 473                         m_decoder->setAudioPID(apid, 0);
 474                         if (!m_is_pvr)
 475                                 m_decoder->setSyncPCR(pcrpid);
 476                         else
 477                                 m_decoder->setSyncPCR(-1);
 478                         m_decoder->start();
 479 // how we can do this better?
 480 // update cache pid when the user changed the audio track or video track
 481 // TODO handling of difference audio types.. default audio types..
 482
 483                                 /* don't worry about non-existing services, nor pvr services */
 484                         if (m_dvb_service && !m_is_pvr)
 485                         {
 486                                 m_dvb_service->setCachePID(eDVBService::cVPID, vpid);
 487                                 m_dvb_service->setCachePID(eDVBService::cAPID, apid);
 488                                 m_dvb_service->setCachePID(eDVBService::cPCRPID, pcrpid);
 489                         }
 490                 }
 491
 492                 break;
 493         }
 494         }
 495 }
 496
 497 RESULT eDVBServicePlay::start()
 498 {
 499         int r;
 500         eDebug("starting DVB service");
 501         r = m_service_handler.tune((eServiceReferenceDVB&)m_reference);
 502         eDebug("tune result: %d", r);
 503         m_event(this, evStart);
 504         return 0;
 505 }
 506
 507 RESULT eDVBServicePlay::stop()
 508 {
 509         eDebug("stopping..");
 510         return 0;
 511 }
 512
 513 RESULT eDVBServicePlay::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 514 {
 515         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 516         return 0;
 517 }
 518
 519 RESULT eDVBServicePlay::pause(ePtr<iPauseableService> &ptr)
 520 {
 521                 // not yet possible, maybe later...
 522         ptr = 0;
 523         return -1;
 524 }
 525
 526 RESULT eDVBServicePlay::seek(ePtr<iSeekableService> &ptr)
 527 {
 528         if (m_is_pvr)
 529         {
 530                 ptr = this;
 531                 return 0;
 532         }
 533
 534         ptr = 0;
 535         return -1;
 536 }
 537
 538 RESULT eDVBServicePlay::getLength(pts_t &len)
 539 {
 540         ePtr<iDVBPVRChannel> pvr_channel;
 541
 542         if (m_service_handler.getPVRChannel(pvr_channel))
 543         {
 544                 eDebug("getPVRChannel failed!");
 545                 return -1;
 546         }
 547
 548         return pvr_channel->getLength(len);
 549 }
 550
 551 RESULT eDVBServicePlay::seekTo(pts_t to)
 552 {
 553         return -1;
 554 }
 555
 556 RESULT eDVBServicePlay::getPlayPosition(pts_t &pos)
 557 {
 558         ePtr<iDVBPVRChannel> pvr_channel;
 559
 560         if (m_service_handler.getPVRChannel(pvr_channel))
 561                 return -1;
 562
 563         return pvr_channel->getCurrentPosition(pos);
 564 }
 565
 566 RESULT eDVBServicePlay::info(ePtr<iServiceInformation> &ptr)
 567 {
 568         ptr = this;
 569         return 0;
 570 }
 571
 572 RESULT eDVBServicePlay::getName(std::string &name)
 573 {
 574         if (m_dvb_service)
 575         {
 576                 m_dvb_service->getName(m_reference, name);
 577                 if (name.empty())
 578                         name = "(...)";
 579         } else
 580                 name = "DVB service";
 581         return 0;
 582 }
 583
 584 RESULT eDVBServicePlay::getEvent(ePtr<eServiceEvent> &evt, int nownext)
 585 {
 586         return m_event_handler.getEvent(evt, nownext);
 587 }
 588
 589 DEFINE_REF(eDVBServicePlay)
 590
 591 eAutoInitPtr<eServiceFactoryDVB> init_eServiceFactoryDVB(eAutoInitNumbers::service+1, "eServiceFactoryDVB");