lib/service/servicemp3.cpp

   1 #ifdef HAVE_GSTREAMER
   2
   3         /* note: this requires gstreamer 0.10.x and a big list of plugins. */
   4         /* it's currently hardcoded to use a big-endian alsasink as sink. */
   5 #include <lib/base/eerror.h>
   6 #include <lib/base/object.h>
   7 #include <lib/base/ebase.h>
   8 #include <string>
   9 #include <lib/service/servicemp3.h>
  10 #include <lib/service/service.h>
  11 #include <lib/components/file_eraser.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/base/init.h>
  14 #include <gst/gst.h>
  15 #include <gst/pbutils/missing-plugins.h>
  16 #include <sys/stat.h>
  17 /* for subtitles */
  18 #include <lib/gui/esubtitle.h>
  19
  20 #ifndef GST_SEEK_FLAG_SKIP
  21 #warning Compiling for legacy gstreamer, things will break
  22 #define GST_SEEK_FLAG_SKIP 0
  23 #define GST_TAG_HOMEPAGE ""
  24 #endif
  25
  26 // eServiceFactoryMP3
  27
  28 eServiceFactoryMP3::eServiceFactoryMP3()
  29 {
  30         ePtr<eServiceCenter> sc;
  31
  32         eServiceCenter::getPrivInstance(sc);
  33         if (sc)
  34         {
  35                 std::list<std::string> extensions;
  36                 extensions.push_back("mp2");
  37                 extensions.push_back("mp3");
  38                 extensions.push_back("ogg");
  39                 extensions.push_back("mpg");
  40                 extensions.push_back("vob");
  41                 extensions.push_back("wav");
  42                 extensions.push_back("wave");
  43                 extensions.push_back("mkv");
  44                 extensions.push_back("avi");
  45                 extensions.push_back("divx");
  46                 extensions.push_back("dat");
  47                 extensions.push_back("flac");
  48                 extensions.push_back("mp4");
  49                 extensions.push_back("mov");
  50                 extensions.push_back("m4a");
  51                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  52         }
  53
  54         m_service_info = new eStaticServiceMP3Info();
  55 }
  56
  57 eServiceFactoryMP3::~eServiceFactoryMP3()
  58 {
  59         ePtr<eServiceCenter> sc;
  60
  61         eServiceCenter::getPrivInstance(sc);
  62         if (sc)
  63                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  64 }
  65
  66 DEFINE_REF(eServiceFactoryMP3)
  67
  68         // iServiceHandler
  69 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  70 {
  71                 // check resources...
  72         ptr = new eServiceMP3(ref.path.c_str(),ref.getName().c_str());
  73         return 0;
  74 }
  75
  76 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  77 {
  78         ptr=0;
  79         return -1;
  80 }
  81
  82 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  83 {
  84         ptr=0;
  85         return -1;
  86 }
  87
  88 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  89 {
  90         ptr = m_service_info;
  91         return 0;
  92 }
  93
  94 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  95 {
  96         DECLARE_REF(eMP3ServiceOfflineOperations);
  97         eServiceReference m_ref;
  98 public:
  99         eMP3ServiceOfflineOperations(const eServiceReference &ref);
 100
 101         RESULT deleteFromDisk(int simulate);
 102         RESULT getListOfFilenames(std::list<std::string> &);
 103 };
 104
 105 DEFINE_REF(eMP3ServiceOfflineOperations);
 106
 107 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 108 {
 109 }
 110
 111 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 112 {
 113         if (simulate)
 114                 return 0;
 115         else
 116         {
 117                 std::list<std::string> res;
 118                 if (getListOfFilenames(res))
 119                         return -1;
 120
 121                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 122                 if (!eraser)
 123                         eDebug("FATAL !! can't get background file eraser");
 124
 125                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 126                 {
 127                         eDebug("Removing %s...", i->c_str());
 128                         if (eraser)
 129                                 eraser->erase(i->c_str());
 130                         else
 131                                 ::unlink(i->c_str());
 132                 }
 133
 134                 return 0;
 135         }
 136 }
 137
 138 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 139 {
 140         res.clear();
 141         res.push_back(m_ref.path);
 142         return 0;
 143 }
 144
 145
 146 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 147 {
 148         ptr = new eMP3ServiceOfflineOperations(ref);
 149         return 0;
 150 }
 151
 152 // eStaticServiceMP3Info
 153
 154
 155 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 156 // about unopened files.
 157
 158 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 159 // should have a database backend where ID3-files etc. are cached.
 160 // this would allow listing the mp3 database based on certain filters.
 161
 162 DEFINE_REF(eStaticServiceMP3Info)
 163
 164 eStaticServiceMP3Info::eStaticServiceMP3Info()
 165 {
 166 }
 167
 168 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 169 {
 170         if ( ref.name.length() )
 171                 name = ref.name;
 172         else
 173         {
 174                 size_t last = ref.path.rfind('/');
 175                 if (last != std::string::npos)
 176                         name = ref.path.substr(last+1);
 177                 else
 178                         name = ref.path;
 179         }
 180         return 0;
 181 }
 182
 183 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 184 {
 185         return -1;
 186 }
 187
 188 // eServiceMP3
 189
 190 eServiceMP3::eServiceMP3(const char *filename, const char *title): m_filename(filename), m_title(title), m_pump(eApp, 1)
 191 {
 192         m_seekTimeout = eTimer::create(eApp);
 193         m_subtitle_sync_timer = eTimer::create(eApp);
 194         m_stream_tags = 0;
 195         m_currentAudioStream = 0;
 196         m_currentSubtitleStream = 0;
 197         m_subtitle_widget = 0;
 198         m_currentTrickRatio = 0;
 199         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 200         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 201         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 202         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 203
 204         m_state = stIdle;
 205         eDebug("eServiceMP3::construct!");
 206
 207         const char *ext = strrchr(filename, '.');
 208         if (!ext)
 209                 ext = filename;
 210
 211         sourceStream sourceinfo;
 212         sourceinfo.is_video = FALSE;
 213         sourceinfo.audiotype = atUnknown;
 214         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 215         {
 216                 sourceinfo.containertype = ctMPEGPS;
 217                 sourceinfo.is_video = TRUE;
 218         }
 219         else if ( strcasecmp(ext, ".ts") == 0 )
 220         {
 221                 sourceinfo.containertype = ctMPEGTS;
 222                 sourceinfo.is_video = TRUE;
 223         }
 224         else if ( strcasecmp(ext, ".mkv") == 0 )
 225         {
 226                 sourceinfo.containertype = ctMKV;
 227                 sourceinfo.is_video = TRUE;
 228         }
 229         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 230         {
 231                 sourceinfo.containertype = ctAVI;
 232                 sourceinfo.is_video = TRUE;
 233         }
 234         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
 235         {
 236                 sourceinfo.containertype = ctMP4;
 237                 sourceinfo.is_video = TRUE;
 238         }
 239         else if ( strcasecmp(ext, ".m4a") == 0 )
 240         {
 241                 sourceinfo.containertype = ctMP4;
 242                 sourceinfo.audiotype = atAAC;
 243         }
 244         else if ( strcasecmp(ext, ".mp3") == 0 )
 245                 sourceinfo.audiotype = atMP3;
 246         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 247                 sourceinfo.containertype = ctCDA;
 248         if ( strcasecmp(ext, ".dat") == 0 )
 249         {
 250                 sourceinfo.containertype = ctVCD;
 251                 sourceinfo.is_video = TRUE;
 252         }
 253         if ( (strncmp(filename, "http://", 7)) == 0 || (strncmp(filename, "udp://", 6)) == 0 || (strncmp(filename, "rtsp://", 7)) == 0 )
 254                 sourceinfo.is_streaming = TRUE;
 255
 256         gchar *uri;
 257
 258         if ( sourceinfo.is_streaming )
 259         {
 260                 uri = g_strdup_printf ("%s", filename);
 261         }
 262         else if ( sourceinfo.containertype == ctCDA )
 263         {
 264                 int i_track = atoi(filename+18);
 265                 uri = g_strdup_printf ("cdda://%i", i_track);
 266         }
 267         else if ( sourceinfo.containertype == ctVCD )
 268         {
 269                 int fd = open(filename,O_RDONLY);
 270                 char tmp[128*1024];
 271                 int ret = read(fd, tmp, 128*1024);
 272                 close(fd);
 273                 if ( ret == -1 ) // this is a "REAL" VCD
 274                         uri = g_strdup_printf ("vcd://");
 275                 else
 276                         uri = g_strdup_printf ("file://%s", filename);
 277         }
 278         else
 279
 280                 uri = g_strdup_printf ("file://%s", filename);
 281
 282         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 283
 284         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 285         if (!m_gst_playbin)
 286                 m_error_message = "failed to create GStreamer pipeline!\n";
 287
 288         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 289
 290         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 291         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 292
 293         g_free(uri);
 294
 295         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 296         if (!subsink)
 297                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 298         else
 299         {
 300                 g_object_set (G_OBJECT (subsink), "emit-signals", TRUE, NULL);
 301                 g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 302                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 303         }
 304
 305         if ( m_gst_playbin )
 306         {
 307                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 308                 char srt_filename[strlen(filename)+1];
 309                 strncpy(srt_filename,filename,strlen(filename)-3);
 310                 srt_filename[strlen(filename)-3]='\0';
 311                 strcat(srt_filename, "srt");
 312                 struct stat buffer;
 313                 if (stat(srt_filename, &buffer) == 0)
 314                 {
 315                         std::string suburi = "file://" + (std::string)srt_filename;
 316                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 317                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 318                         subtitleStream subs;
 319                         subs.type = stSRT;
 320                         subs.language_code = std::string("und");
 321                         m_subtitleStreams.push_back(subs);
 322                 }
 323         } else
 324         {
 325                 m_event((iPlayableService*)this, evUser+12);
 326
 327                 if (m_gst_playbin)
 328                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 329
 330                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 331                 m_gst_playbin = 0;
 332         }
 333
 334         gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 335 }
 336
 337 eServiceMP3::~eServiceMP3()
 338 {
 339         delete m_subtitle_widget;
 340         if (m_state == stRunning)
 341                 stop();
 342
 343         if (m_stream_tags)
 344                 gst_tag_list_free(m_stream_tags);
 345
 346         if (m_gst_playbin)
 347         {
 348                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 349                 eDebug("eServiceMP3::destruct!");
 350         }
 351 }
 352
 353 DEFINE_REF(eServiceMP3);
 354
 355 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 356 {
 357         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 358         return 0;
 359 }
 360
 361 RESULT eServiceMP3::start()
 362 {
 363         ASSERT(m_state == stIdle);
 364
 365         m_state = stRunning;
 366         if (m_gst_playbin)
 367         {
 368                 eDebug("eServiceMP3::starting pipeline");
 369                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 370         }
 371         m_event(this, evStart);
 372         return 0;
 373 }
 374
 375 RESULT eServiceMP3::stop()
 376 {
 377         ASSERT(m_state != stIdle);
 378         if (m_state == stStopped)
 379                 return -1;
 380         eDebug("eServiceMP3::stop %s", m_filename.c_str());
 381         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 382         m_state = stStopped;
 383         return 0;
 384 }
 385
 386 RESULT eServiceMP3::setTarget(int target)
 387 {
 388         return -1;
 389 }
 390
 391 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 392 {
 393         ptr=this;
 394         return 0;
 395 }
 396
 397 RESULT eServiceMP3::setSlowMotion(int ratio)
 398 {
 399         if (!ratio)
 400                 return 0;
 401         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 402         return trickSeek(1/(float)ratio);
 403 }
 404
 405 RESULT eServiceMP3::setFastForward(int ratio)
 406 {
 407         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 408         return trickSeek(ratio);
 409 }
 410
 411 void eServiceMP3::seekTimeoutCB()
 412 {
 413         pts_t ppos, len;
 414         getPlayPosition(ppos);
 415         getLength(len);
 416         ppos += 90000*m_currentTrickRatio;
 417
 418         if (ppos < 0)
 419         {
 420                 ppos = 0;
 421                 m_seekTimeout->stop();
 422         }
 423         if (ppos > len)
 424         {
 425                 ppos = 0;
 426                 stop();
 427                 m_seekTimeout->stop();
 428                 return;
 429         }
 430         seekTo(ppos);
 431 }
 432
 433                 // iPausableService
 434 RESULT eServiceMP3::pause()
 435 {
 436         if (!m_gst_playbin || m_state != stRunning)
 437                 return -1;
 438         GstStateChangeReturn res = gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 439         if (res == GST_STATE_CHANGE_ASYNC)
 440         {
 441                 pts_t ppos;
 442                 getPlayPosition(ppos);
 443                 seekTo(ppos);
 444         }
 445         return 0;
 446 }
 447
 448 RESULT eServiceMP3::unpause()
 449 {
 450         m_subtitle_pages.clear();
 451         if (!m_gst_playbin || m_state != stRunning)
 452                 return -1;
 453
 454         GstStateChangeReturn res;
 455         res = gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 456         return 0;
 457 }
 458
 459         /* iSeekableService */
 460 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 461 {
 462         ptr = this;
 463         return 0;
 464 }
 465
 466 RESULT eServiceMP3::getLength(pts_t &pts)
 467 {
 468         if (!m_gst_playbin)
 469                 return -1;
 470         if (m_state != stRunning)
 471                 return -1;
 472
 473         GstFormat fmt = GST_FORMAT_TIME;
 474         gint64 len;
 475
 476         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 477                 return -1;
 478                 /* len is in nanoseconds. we have 90 000 pts per second. */
 479
 480         pts = len / 11111;
 481         return 0;
 482 }
 483
 484 RESULT eServiceMP3::seekTo(pts_t to)
 485 {
 486         m_subtitle_pages.clear();
 487
 488         if (!m_gst_playbin)
 489                 return -1;
 490
 491                 /* convert pts to nanoseconds */
 492         gint64 time_nanoseconds = to * 11111LL;
 493         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 494                 GST_SEEK_TYPE_SET, time_nanoseconds,
 495                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 496         {
 497                 eDebug("eServiceMP3::seekTo failed");
 498                 return -1;
 499         }
 500         return 0;
 501 }
 502
 503 RESULT eServiceMP3::trickSeek(gdouble ratio)
 504 {
 505         if (!m_gst_playbin)
 506                 return -1;
 507         if (!ratio)
 508                 return seekRelative(0, 0);
 509
 510         GstEvent *s_event;
 511         GstSeekFlags flags;
 512         flags = GST_SEEK_FLAG_NONE;
 513         flags |= GstSeekFlags (GST_SEEK_FLAG_FLUSH);
 514 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 515         flags |= GstSeekFlags (GST_SEEK_FLAG_KEY_UNIT);
 516 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 517 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 518
 519         GstFormat fmt = GST_FORMAT_TIME;
 520         gint64 pos, len;
 521         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 522         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 523
 524         if ( ratio >= 0 )
 525         {
 526                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 527
 528                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 529         }
 530         else
 531         {
 532                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
 533         }
 534
 535         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 536         {
 537                 eDebug("eServiceMP3::trickSeek failed");
 538                 return -1;
 539         }
 540
 541         return 0;
 542 }
 543
 544
 545 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 546 {
 547         if (!m_gst_playbin)
 548                 return -1;
 549
 550         pts_t ppos;
 551         getPlayPosition(ppos);
 552         ppos += to * direction;
 553         if (ppos < 0)
 554                 ppos = 0;
 555         seekTo(ppos);
 556
 557         return 0;
 558 }
 559
 560 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 561 {
 562         if (!m_gst_playbin)
 563                 return -1;
 564         if (m_state != stRunning)
 565                 return -1;
 566
 567         GstFormat fmt = GST_FORMAT_TIME;
 568         gint64 len;
 569
 570         if (!gst_element_query_position(m_gst_playbin, &fmt, &len))
 571                 return -1;
 572
 573                 /* len is in nanoseconds. we have 90 000 pts per second. */
 574         pts = len / 11111;
 575         return 0;
 576 }
 577
 578 RESULT eServiceMP3::setTrickmode(int trick)
 579 {
 580                 /* trickmode is not yet supported by our dvbmediasinks. */
 581         return -1;
 582 }
 583
 584 RESULT eServiceMP3::isCurrentlySeekable()
 585 {
 586         return 1;
 587 }
 588
 589 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 590 {
 591         i = this;
 592         return 0;
 593 }
 594
 595 RESULT eServiceMP3::getName(std::string &name)
 596 {
 597         if (m_title.empty())
 598         {
 599                 name = m_filename;
 600                 size_t n = name.rfind('/');
 601                 if (n != std::string::npos)
 602                         name = name.substr(n + 1);
 603         }
 604         else
 605                 name = m_title;
 606         return 0;
 607 }
 608
 609
 610 int eServiceMP3::getInfo(int w)
 611 {
 612         const gchar *tag = 0;
 613
 614         switch (w)
 615         {
 616         case sVideoHeight: return m_height;
 617         case sVideoWidth: return m_width;
 618         case sFrameRate: return m_framerate;
 619         case sProgressive: return m_progressive;
 620         case sAspect: return m_aspect;
 621         case sTagTitle:
 622         case sTagArtist:
 623         case sTagAlbum:
 624         case sTagTitleSortname:
 625         case sTagArtistSortname:
 626         case sTagAlbumSortname:
 627         case sTagDate:
 628         case sTagComposer:
 629         case sTagGenre:
 630         case sTagComment:
 631         case sTagExtendedComment:
 632         case sTagLocation:
 633         case sTagHomepage:
 634         case sTagDescription:
 635         case sTagVersion:
 636         case sTagISRC:
 637         case sTagOrganization:
 638         case sTagCopyright:
 639         case sTagCopyrightURI:
 640         case sTagContact:
 641         case sTagLicense:
 642         case sTagLicenseURI:
 643         case sTagCodec:
 644         case sTagAudioCodec:
 645         case sTagVideoCodec:
 646         case sTagEncoder:
 647         case sTagLanguageCode:
 648         case sTagKeywords:
 649         case sTagChannelMode:
 650         case sUser+12:
 651                 return resIsString;
 652         case sTagTrackGain:
 653         case sTagTrackPeak:
 654         case sTagAlbumGain:
 655         case sTagAlbumPeak:
 656         case sTagReferenceLevel:
 657         case sTagBeatsPerMinute:
 658         case sTagImage:
 659         case sTagPreviewImage:
 660         case sTagAttachment:
 661                 return resIsPyObject;
 662         case sTagTrackNumber:
 663                 tag = GST_TAG_TRACK_NUMBER;
 664                 break;
 665         case sTagTrackCount:
 666                 tag = GST_TAG_TRACK_COUNT;
 667                 break;
 668         case sTagAlbumVolumeNumber:
 669                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 670                 break;
 671         case sTagAlbumVolumeCount:
 672                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 673                 break;
 674         case sTagBitrate:
 675                 tag = GST_TAG_BITRATE;
 676                 break;
 677         case sTagNominalBitrate:
 678                 tag = GST_TAG_NOMINAL_BITRATE;
 679                 break;
 680         case sTagMinimumBitrate:
 681                 tag = GST_TAG_MINIMUM_BITRATE;
 682                 break;
 683         case sTagMaximumBitrate:
 684                 tag = GST_TAG_MAXIMUM_BITRATE;
 685                 break;
 686         case sTagSerial:
 687                 tag = GST_TAG_SERIAL;
 688                 break;
 689         case sTagEncoderVersion:
 690                 tag = GST_TAG_ENCODER_VERSION;
 691                 break;
 692         case sTagCRC:
 693                 tag = "has-crc";
 694                 break;
 695         default:
 696                 return resNA;
 697         }
 698
 699         if (!m_stream_tags || !tag)
 700                 return 0;
 701
 702         guint value;
 703         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 704                 return (int) value;
 705
 706         return 0;
 707 }
 708
 709 std::string eServiceMP3::getInfoString(int w)
 710 {
 711         if ( !m_stream_tags && w < sUser && w > 26 )
 712                 return "";
 713         const gchar *tag = 0;
 714         switch (w)
 715         {
 716         case sTagTitle:
 717                 tag = GST_TAG_TITLE;
 718                 break;
 719         case sTagArtist:
 720                 tag = GST_TAG_ARTIST;
 721                 break;
 722         case sTagAlbum:
 723                 tag = GST_TAG_ALBUM;
 724                 break;
 725         case sTagTitleSortname:
 726                 tag = GST_TAG_TITLE_SORTNAME;
 727                 break;
 728         case sTagArtistSortname:
 729                 tag = GST_TAG_ARTIST_SORTNAME;
 730                 break;
 731         case sTagAlbumSortname:
 732                 tag = GST_TAG_ALBUM_SORTNAME;
 733                 break;
 734         case sTagDate:
 735                 GDate *date;
 736                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 737                 {
 738                         gchar res[5];
 739                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 740                         return (std::string)res;
 741                 }
 742                 break;
 743         case sTagComposer:
 744                 tag = GST_TAG_COMPOSER;
 745                 break;
 746         case sTagGenre:
 747                 tag = GST_TAG_GENRE;
 748                 break;
 749         case sTagComment:
 750                 tag = GST_TAG_COMMENT;
 751                 break;
 752         case sTagExtendedComment:
 753                 tag = GST_TAG_EXTENDED_COMMENT;
 754                 break;
 755         case sTagLocation:
 756                 tag = GST_TAG_LOCATION;
 757                 break;
 758         case sTagHomepage:
 759                 tag = GST_TAG_HOMEPAGE;
 760                 break;
 761         case sTagDescription:
 762                 tag = GST_TAG_DESCRIPTION;
 763                 break;
 764         case sTagVersion:
 765                 tag = GST_TAG_VERSION;
 766                 break;
 767         case sTagISRC:
 768                 tag = GST_TAG_ISRC;
 769                 break;
 770         case sTagOrganization:
 771                 tag = GST_TAG_ORGANIZATION;
 772                 break;
 773         case sTagCopyright:
 774                 tag = GST_TAG_COPYRIGHT;
 775                 break;
 776         case sTagCopyrightURI:
 777                 tag = GST_TAG_COPYRIGHT_URI;
 778                 break;
 779         case sTagContact:
 780                 tag = GST_TAG_CONTACT;
 781                 break;
 782         case sTagLicense:
 783                 tag = GST_TAG_LICENSE;
 784                 break;
 785         case sTagLicenseURI:
 786                 tag = GST_TAG_LICENSE_URI;
 787                 break;
 788         case sTagCodec:
 789                 tag = GST_TAG_CODEC;
 790                 break;
 791         case sTagAudioCodec:
 792                 tag = GST_TAG_AUDIO_CODEC;
 793                 break;
 794         case sTagVideoCodec:
 795                 tag = GST_TAG_VIDEO_CODEC;
 796                 break;
 797         case sTagEncoder:
 798                 tag = GST_TAG_ENCODER;
 799                 break;
 800         case sTagLanguageCode:
 801                 tag = GST_TAG_LANGUAGE_CODE;
 802                 break;
 803         case sTagKeywords:
 804                 tag = GST_TAG_KEYWORDS;
 805                 break;
 806         case sTagChannelMode:
 807                 tag = "channel-mode";
 808                 break;
 809         case sUser+12:
 810                 return m_error_message;
 811         default:
 812                 return "";
 813         }
 814         if ( !tag )
 815                 return "";
 816         gchar *value;
 817         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 818         {
 819                 std::string res = value;
 820                 g_free(value);
 821                 return res;
 822         }
 823         return "";
 824 }
 825
 826 PyObject *eServiceMP3::getInfoObject(int w)
 827 {
 828         const gchar *tag = 0;
 829         bool isBuffer = false;
 830         switch (w)
 831         {
 832                 case sTagTrackGain:
 833                         tag = GST_TAG_TRACK_GAIN;
 834                         break;
 835                 case sTagTrackPeak:
 836                         tag = GST_TAG_TRACK_PEAK;
 837                         break;
 838                 case sTagAlbumGain:
 839                         tag = GST_TAG_ALBUM_GAIN;
 840                         break;
 841                 case sTagAlbumPeak:
 842                         tag = GST_TAG_ALBUM_PEAK;
 843                         break;
 844                 case sTagReferenceLevel:
 845                         tag = GST_TAG_REFERENCE_LEVEL;
 846                         break;
 847                 case sTagBeatsPerMinute:
 848                         tag = GST_TAG_BEATS_PER_MINUTE;
 849                         break;
 850                 case sTagImage:
 851                         tag = GST_TAG_IMAGE;
 852                         isBuffer = true;
 853                         break;
 854                 case sTagPreviewImage:
 855                         tag = GST_TAG_PREVIEW_IMAGE;
 856                         isBuffer = true;
 857                         break;
 858                 case sTagAttachment:
 859                         tag = GST_TAG_ATTACHMENT;
 860                         isBuffer = true;
 861                         break;
 862                 default:
 863                         break;
 864         }
 865         gdouble value;
 866         if ( !tag || !m_stream_tags )
 867                 value = 0.0;
 868         PyObject *pyValue;
 869         if ( isBuffer )
 870         {
 871                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 872                 if ( gv_buffer )
 873                 {
 874                         GstBuffer *buffer;
 875                         buffer = gst_value_get_buffer (gv_buffer);
 876                         pyValue = PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 877                 }
 878         }
 879         else
 880         {
 881                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 882                 pyValue = PyFloat_FromDouble(value);
 883         }
 884
 885         return pyValue;
 886 }
 887
 888 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 889 {
 890         ptr = this;
 891         return 0;
 892 }
 893
 894 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 895 {
 896         ptr = this;
 897         return 0;
 898 }
 899
 900 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 901 {
 902         ptr = this;
 903         return 0;
 904 }
 905
 906 int eServiceMP3::getNumberOfTracks()
 907 {
 908         return m_audioStreams.size();
 909 }
 910
 911 int eServiceMP3::getCurrentTrack()
 912 {
 913         return m_currentAudioStream;
 914 }
 915
 916 RESULT eServiceMP3::selectTrack(unsigned int i)
 917 {
 918         int ret = selectAudioStream(i);
 919         /* flush */
 920         pts_t ppos;
 921         getPlayPosition(ppos);
 922         seekTo(ppos);
 923
 924         return ret;
 925 }
 926
 927 int eServiceMP3::selectAudioStream(int i)
 928 {
 929         int current_audio;
 930         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 931         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 932         if ( current_audio == i )
 933         {
 934                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 935                 m_currentAudioStream = i;
 936                 return 0;
 937         }
 938         return -1;
 939 }
 940
 941 int eServiceMP3::getCurrentChannel()
 942 {
 943         return STEREO;
 944 }
 945
 946 RESULT eServiceMP3::selectChannel(int i)
 947 {
 948         eDebug("eServiceMP3::selectChannel(%i)",i);
 949         return 0;
 950 }
 951
 952 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 953 {
 954         if (i >= m_audioStreams.size())
 955                 return -2;
 956                 info.m_description = m_audioStreams[i].codec;
 957 /*      if (m_audioStreams[i].type == atMPEG)
 958                 info.m_description = "MPEG";
 959         else if (m_audioStreams[i].type == atMP3)
 960                 info.m_description = "MP3";
 961         else if (m_audioStreams[i].type == atAC3)
 962                 info.m_description = "AC3";
 963         else if (m_audioStreams[i].type == atAAC)
 964                 info.m_description = "AAC";
 965         else if (m_audioStreams[i].type == atDTS)
 966                 info.m_description = "DTS";
 967         else if (m_audioStreams[i].type == atPCM)
 968                 info.m_description = "PCM";
 969         else if (m_audioStreams[i].type == atOGG)
 970                 info.m_description = "OGG";
 971         else if (m_audioStreams[i].type == atFLAC)
 972                 info.m_description = "FLAC";
 973         else
 974                 info.m_description = "???";*/
 975         if (info.m_language.empty())
 976                 info.m_language = m_audioStreams[i].language_code;
 977         return 0;
 978 }
 979
 980 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
 981 {
 982         if (!msg)
 983                 return;
 984         gchar *sourceName;
 985         GstObject *source;
 986
 987         source = GST_MESSAGE_SRC(msg);
 988         sourceName = gst_object_get_name(source);
 989 #if 0
 990         if (gst_message_get_structure(msg))
 991         {
 992                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
 993                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
 994                 g_free(string);
 995         }
 996         else
 997                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
 998 #endif
 999         if ( GST_MESSAGE_TYPE (msg) == GST_MESSAGE_STATE_CHANGED )
1000         {
1001                 // only the pipeline message
1002                 if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1003                         return;
1004
1005                 GstState old_state, new_state;
1006                 gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1007
1008                 if(old_state == new_state)
1009                         return;
1010
1011                 eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1012
1013                 GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1014
1015                 switch(transition)
1016                 {
1017                         case GST_STATE_CHANGE_NULL_TO_READY:
1018                         {
1019                         }
1020                                 break;
1021                         case GST_STATE_CHANGE_READY_TO_PAUSED:
1022                         {
1023
1024                         }       break;
1025                         case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1026                         {
1027
1028                         }       break;
1029                         case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1030                         {
1031
1032                         }       break;
1033                         case GST_STATE_CHANGE_PAUSED_TO_READY:
1034                         {
1035
1036                         }       break;
1037                         case GST_STATE_CHANGE_READY_TO_NULL:
1038                         {
1039
1040                         }       break;
1041                 }
1042         }
1043
1044         switch (GST_MESSAGE_TYPE (msg))
1045         {
1046                 case GST_MESSAGE_EOS:
1047                         m_event((iPlayableService*)this, evEOF);
1048                         break;
1049                 case GST_MESSAGE_ERROR:
1050                 {
1051                         gchar *debug;
1052                         GError *err;
1053
1054                         gst_message_parse_error (msg, &err, &debug);
1055                         g_free (debug);
1056                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1057                         if ( err->domain == GST_STREAM_ERROR )
1058                         {
1059                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1060                                 {
1061                                         if ( g_strrstr(sourceName, "videosink") )
1062                                                 m_event((iPlayableService*)this, evUser+11);
1063                                         else if ( g_strrstr(sourceName, "audiosink") )
1064                                                 m_event((iPlayableService*)this, evUser+10);
1065                                 }
1066                         }
1067                         g_error_free(err);
1068                         break;
1069                 }
1070                 case GST_MESSAGE_INFO:
1071                 {
1072                         gchar *debug;
1073                         GError *inf;
1074
1075                         gst_message_parse_info (msg, &inf, &debug);
1076                         g_free (debug);
1077                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1078                         {
1079                                 if ( g_strrstr(sourceName, "videosink") )
1080                                         m_event((iPlayableService*)this, evUser+14);
1081                         }
1082                         g_error_free(inf);
1083                         break;
1084                 }
1085                 case GST_MESSAGE_TAG:
1086                 {
1087                         GstTagList *tags, *result;
1088                         gst_message_parse_tag(msg, &tags);
1089
1090                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1091                         if (result)
1092                         {
1093                                 if (m_stream_tags)
1094                                         gst_tag_list_free(m_stream_tags);
1095                                 m_stream_tags = result;
1096                         }
1097
1098                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1099                         if ( gv_image )
1100                         {
1101                                 GstBuffer *buf_image;
1102                                 buf_image = gst_value_get_buffer (gv_image);
1103                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1104                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1105                                 close(fd);
1106                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1107                                 m_event((iPlayableService*)this, evUser+13);
1108                         }
1109
1110                         gst_tag_list_free(tags);
1111                         m_event((iPlayableService*)this, evUpdatedInfo);
1112                         break;
1113                 }
1114                 case GST_MESSAGE_ASYNC_DONE:
1115                 {
1116                         GstTagList *tags;
1117                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1118
1119                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1120                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1121                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1122
1123                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1124
1125                         active_idx = 0;
1126
1127                         m_audioStreams.clear();
1128                         m_subtitleStreams.clear();
1129
1130                         for (i = 0; i < n_audio; i++)
1131                         {
1132                                 audioStream audio;
1133                                 gchar *g_codec, *g_lang;
1134                                 GstPad* pad = 0;
1135                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1136                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1137                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1138 gchar *g_type;
1139 g_type = gst_structure_get_name(str);
1140 eDebug("AUDIO STRUCT=%s", g_type);
1141                                 audio.type = gstCheckAudioPad(str);
1142                                 g_codec = g_strdup(g_type);
1143                                 g_lang = g_strdup_printf ("und");
1144                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1145                                 if ( tags && gst_is_tag_list(tags) )
1146                                 {
1147                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1148                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1149                                 }
1150                                 audio.language_code = std::string(g_lang);
1151                                 audio.codec = std::string(g_codec);
1152                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1153                                 m_audioStreams.push_back(audio);
1154                                 g_free (g_lang);
1155                                 g_free (g_codec);
1156                         }
1157
1158                         for (i = 0; i < n_text; i++)
1159                         {
1160                                 gchar *g_lang;
1161 //                              gchar *g_type;
1162 //                              GstPad* pad = 0;
1163 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1164 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1165 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1166 //                              g_type = gst_structure_get_name(str);
1167 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1168                                 subtitleStream subs;
1169                                 subs.type = stPlainText;
1170                                 g_lang = g_strdup_printf ("und");
1171                                 if ( tags && gst_is_tag_list(tags) )
1172                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1173                                 subs.language_code = std::string(g_lang);
1174                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1175                                 m_subtitleStreams.push_back(subs);
1176                                 g_free (g_lang);
1177 //                              g_free (g_type);
1178                         }
1179                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1180                 }
1181                 case GST_MESSAGE_ELEMENT:
1182                 {
1183                         if ( gst_is_missing_plugin_message(msg) )
1184                         {
1185                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1186                                 if ( description )
1187                                 {
1188                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1189                                         g_free(description);
1190                                         m_event((iPlayableService*)this, evUser+12);
1191                                 }
1192                         }
1193                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1194                         {
1195                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1196                                 if ( eventname )
1197                                 {
1198                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1199                                         {
1200                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1201                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1202                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1203                                                 if (strstr(eventname, "Changed"))
1204                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1205                                         }
1206                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1207                                         {
1208                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1209                                                 if (strstr(eventname, "Changed"))
1210                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1211                                         }
1212                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1213                                         {
1214                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1215                                                 if (strstr(eventname, "Changed"))
1216                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1217                                         }
1218                                 }
1219                         }
1220                 }
1221                 default:
1222                         break;
1223         }
1224         g_free (sourceName);
1225 }
1226
1227 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1228 {
1229         eServiceMP3 *_this = (eServiceMP3*)user_data;
1230         _this->m_pump.send(1);
1231                 /* wake */
1232         return GST_BUS_PASS;
1233 }
1234
1235 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1236 {
1237         if (!structure)
1238                 return atUnknown;
1239
1240         if ( gst_structure_has_name (structure, "audio/mpeg"))
1241         {
1242                 gint mpegversion, layer = -1;
1243                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1244                         return atUnknown;
1245
1246                 switch (mpegversion) {
1247                         case 1:
1248                                 {
1249                                         gst_structure_get_int (structure, "layer", &layer);
1250                                         if ( layer == 3 )
1251                                                 return atMP3;
1252                                         else
1253                                                 return atMPEG;
1254                                         break;
1255                                 }
1256                         case 2:
1257                                 return atAAC;
1258                         case 4:
1259                                 return atAAC;
1260                         default:
1261                                 return atUnknown;
1262                 }
1263         }
1264
1265         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1266                 return atAC3;
1267         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1268                 return atDTS;
1269         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1270                 return atPCM;
1271
1272         return atUnknown;
1273 }
1274
1275 void eServiceMP3::gstPoll(const int&)
1276 {
1277                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1278                    us the wakup signal, but likely before it was posted.
1279                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1280
1281                    I need to understand the API a bit more to make this work
1282                    proplerly. */
1283         usleep(1);
1284
1285         GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1286         GstMessage *message;
1287         while ((message = gst_bus_pop (bus)))
1288         {
1289                 gstBusCall(bus, message);
1290                 gst_message_unref (message);
1291         }
1292 }
1293
1294 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1295
1296 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1297 {
1298         eServiceMP3 *_this = (eServiceMP3*)user_data;
1299         GstBuffer *buffer;
1300         g_signal_emit_by_name (appsink, "pull-buffer", &buffer);
1301         if (buffer)
1302         {
1303                 GstFormat fmt = GST_FORMAT_TIME;
1304                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1305                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1306                 size_t len = GST_BUFFER_SIZE(buffer);
1307                 unsigned char line[len+1];
1308                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1309                 line[len] = 0;
1310 //              eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1311                 if ( _this->m_subtitle_widget )
1312                 {
1313                         ePangoSubtitlePage page;
1314                         gRGB rgbcol(0xD0,0xD0,0xD0);
1315                         page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1316                         page.show_pts = buf_pos / 11111L;
1317                         page.m_timeout = duration_ns / 1000000;
1318                         _this->m_subtitle_pages.push_back(page);
1319                         _this->pushSubtitles();
1320                 }
1321         }
1322 }
1323
1324 void eServiceMP3::pushSubtitles()
1325 {
1326         ePangoSubtitlePage page;
1327         GstClockTime base_time;
1328         pts_t running_pts;
1329         GstElement *syncsink;
1330         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &syncsink, NULL);
1331         GstClock *clock;
1332         clock = gst_element_get_clock (syncsink);
1333         while ( !m_subtitle_pages.empty() )
1334         {
1335                 page = m_subtitle_pages.front();
1336
1337                 base_time = gst_element_get_base_time (syncsink);
1338                 running_pts = gst_clock_get_time (clock) / 11111L;
1339                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1340 //              eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1341                 if ( diff_ms > 20 )
1342                 {
1343 //                      eDebug("m_subtitle_sync_timer->start(%lld,1)", diff_ms);
1344                         m_subtitle_sync_timer->start(diff_ms, 1);
1345                         break;
1346                 }
1347                 else
1348                 {
1349                         m_subtitle_widget->setPage(page);
1350                         m_subtitle_pages.pop_front();
1351                 }
1352         } ;
1353
1354         gst_object_unref (clock);
1355 }
1356
1357 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1358 {
1359         ePyObject entry;
1360         int tuplesize = PyTuple_Size(tuple);
1361         int pid, type;
1362         gint text_pid = 0;
1363
1364         if (!PyTuple_Check(tuple))
1365                 goto error_out;
1366         if (tuplesize < 1)
1367                 goto error_out;
1368         entry = PyTuple_GET_ITEM(tuple, 1);
1369         if (!PyInt_Check(entry))
1370                 goto error_out;
1371         pid = PyInt_AsLong(entry);
1372         entry = PyTuple_GET_ITEM(tuple, 2);
1373         if (!PyInt_Check(entry))
1374                 goto error_out;
1375         type = PyInt_AsLong(entry);
1376
1377         g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1378         m_currentSubtitleStream = pid;
1379
1380         m_subtitle_widget = new eSubtitleWidget(parent);
1381         m_subtitle_widget->resize(parent->size()); /* full size */
1382
1383         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1384
1385         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1386         m_subtitle_pages.clear();
1387
1388         return 0;
1389
1390 error_out:
1391         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1392                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1393         return -1;
1394 }
1395
1396 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1397 {
1398         eDebug("eServiceMP3::disableSubtitles");
1399         m_subtitle_pages.clear();
1400         delete m_subtitle_widget;
1401         m_subtitle_widget = 0;
1402         return 0;
1403 }
1404
1405 PyObject *eServiceMP3::getCachedSubtitle()
1406 {
1407         eDebug("eServiceMP3::getCachedSubtitle");
1408         Py_RETURN_NONE;
1409 }
1410
1411 PyObject *eServiceMP3::getSubtitleList()
1412 {
1413         eDebug("eServiceMP3::getSubtitleList");
1414
1415         ePyObject l = PyList_New(0);
1416         int stream_count[sizeof(subtype_t)];
1417         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1418                 stream_count[i] = 0;
1419
1420         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1421         {
1422                 subtype_t type = IterSubtitleStream->type;
1423                 ePyObject tuple = PyTuple_New(5);
1424                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1425                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1426                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1427                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1428                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1429                 PyList_Append(l, tuple);
1430                 Py_DECREF(tuple);
1431                 stream_count[type]++;
1432         }
1433         return l;
1434 }
1435
1436 #else
1437 #warning gstreamer not available, not building media player
1438 #endif