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 // eServiceFactoryMP3
  21
  22 eServiceFactoryMP3::eServiceFactoryMP3()
  23 {
  24         ePtr<eServiceCenter> sc;
  25
  26         eServiceCenter::getPrivInstance(sc);
  27         if (sc)
  28         {
  29                 std::list<std::string> extensions;
  30                 extensions.push_back("mp2");
  31                 extensions.push_back("mp3");
  32                 extensions.push_back("ogg");
  33                 extensions.push_back("mpg");
  34                 extensions.push_back("vob");
  35                 extensions.push_back("wav");
  36                 extensions.push_back("wave");
  37                 extensions.push_back("mkv");
  38                 extensions.push_back("avi");
  39                 extensions.push_back("divx");
  40                 extensions.push_back("dat");
  41                 extensions.push_back("flac");
  42                 extensions.push_back("mp4");
  43                 extensions.push_back("mov");
  44                 extensions.push_back("m4a");
  45                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  46         }
  47
  48         m_service_info = new eStaticServiceMP3Info();
  49 }
  50
  51 eServiceFactoryMP3::~eServiceFactoryMP3()
  52 {
  53         ePtr<eServiceCenter> sc;
  54
  55         eServiceCenter::getPrivInstance(sc);
  56         if (sc)
  57                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  58 }
  59
  60 DEFINE_REF(eServiceFactoryMP3)
  61
  62         // iServiceHandler
  63 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  64 {
  65                 // check resources...
  66         ptr = new eServiceMP3(ref);
  67         return 0;
  68 }
  69
  70 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  71 {
  72         ptr=0;
  73         return -1;
  74 }
  75
  76 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  77 {
  78         ptr=0;
  79         return -1;
  80 }
  81
  82 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  83 {
  84         ptr = m_service_info;
  85         return 0;
  86 }
  87
  88 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  89 {
  90         DECLARE_REF(eMP3ServiceOfflineOperations);
  91         eServiceReference m_ref;
  92 public:
  93         eMP3ServiceOfflineOperations(const eServiceReference &ref);
  94
  95         RESULT deleteFromDisk(int simulate);
  96         RESULT getListOfFilenames(std::list<std::string> &);
  97         RESULT reindex();
  98 };
  99
 100 DEFINE_REF(eMP3ServiceOfflineOperations);
 101
 102 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 103 {
 104 }
 105
 106 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 107 {
 108         if (simulate)
 109                 return 0;
 110         else
 111         {
 112                 std::list<std::string> res;
 113                 if (getListOfFilenames(res))
 114                         return -1;
 115
 116                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 117                 if (!eraser)
 118                         eDebug("FATAL !! can't get background file eraser");
 119
 120                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 121                 {
 122                         eDebug("Removing %s...", i->c_str());
 123                         if (eraser)
 124                                 eraser->erase(i->c_str());
 125                         else
 126                                 ::unlink(i->c_str());
 127                 }
 128
 129                 return 0;
 130         }
 131 }
 132
 133 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 134 {
 135         res.clear();
 136         res.push_back(m_ref.path);
 137         return 0;
 138 }
 139
 140 RESULT eMP3ServiceOfflineOperations::reindex()
 141 {
 142         return -1;
 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(eServiceReference ref)
 191         :m_ref(ref), m_pump(eApp, 1)
 192 {
 193         m_seekTimeout = eTimer::create(eApp);
 194         m_subtitle_sync_timer = eTimer::create(eApp);
 195         m_stream_tags = 0;
 196         m_currentAudioStream = 0;
 197         m_currentSubtitleStream = 0;
 198         m_subtitle_widget = 0;
 199         m_currentTrickRatio = 0;
 200         m_subs_to_pull = 0;
 201         m_buffer_size = 1*1024*1024;
 202         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 203         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 204         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 205         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 206
 207         m_state = stIdle;
 208         eDebug("eServiceMP3::construct!");
 209
 210         const char *filename = m_ref.path.c_str();
 211         const char *ext = strrchr(filename, '.');
 212         if (!ext)
 213                 ext = filename;
 214
 215         sourceStream sourceinfo;
 216         sourceinfo.is_video = FALSE;
 217         sourceinfo.audiotype = atUnknown;
 218         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 219         {
 220                 sourceinfo.containertype = ctMPEGPS;
 221                 sourceinfo.is_video = TRUE;
 222         }
 223         else if ( strcasecmp(ext, ".ts") == 0 )
 224         {
 225                 sourceinfo.containertype = ctMPEGTS;
 226                 sourceinfo.is_video = TRUE;
 227         }
 228         else if ( strcasecmp(ext, ".mkv") == 0 )
 229         {
 230                 sourceinfo.containertype = ctMKV;
 231                 sourceinfo.is_video = TRUE;
 232         }
 233         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 234         {
 235                 sourceinfo.containertype = ctAVI;
 236                 sourceinfo.is_video = TRUE;
 237         }
 238         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
 239         {
 240                 sourceinfo.containertype = ctMP4;
 241                 sourceinfo.is_video = TRUE;
 242         }
 243         else if ( strcasecmp(ext, ".m4a") == 0 )
 244         {
 245                 sourceinfo.containertype = ctMP4;
 246                 sourceinfo.audiotype = atAAC;
 247         }
 248         else if ( strcasecmp(ext, ".mp3") == 0 )
 249                 sourceinfo.audiotype = atMP3;
 250         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 251                 sourceinfo.containertype = ctCDA;
 252         if ( strcasecmp(ext, ".dat") == 0 )
 253         {
 254                 sourceinfo.containertype = ctVCD;
 255                 sourceinfo.is_video = TRUE;
 256         }
 257         if ( (strncmp(filename, "http://", 7)) == 0 || (strncmp(filename, "udp://", 6)) == 0 || (strncmp(filename, "rtp://", 6)) == 0  || (strncmp(filename, "https://", 8)) == 0 || (strncmp(filename, "mms://", 6)) == 0 || (strncmp(filename, "rtsp://", 7)) == 0 )
 258                 sourceinfo.is_streaming = TRUE;
 259
 260         gchar *uri;
 261
 262         if ( sourceinfo.is_streaming )
 263         {
 264                 uri = g_strdup_printf ("%s", filename);
 265         }
 266         else if ( sourceinfo.containertype == ctCDA )
 267         {
 268                 int i_track = atoi(filename+18);
 269                 uri = g_strdup_printf ("cdda://%i", i_track);
 270         }
 271         else if ( sourceinfo.containertype == ctVCD )
 272         {
 273                 int fd = open(filename,O_RDONLY);
 274                 char tmp[128*1024];
 275                 int ret = read(fd, tmp, 128*1024);
 276                 close(fd);
 277                 if ( ret == -1 ) // this is a "REAL" VCD
 278                         uri = g_strdup_printf ("vcd://");
 279                 else
 280                         uri = g_strdup_printf ("file://%s", filename);
 281         }
 282         else
 283
 284                 uri = g_strdup_printf ("file://%s", filename);
 285
 286         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 287
 288         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 289         if (!m_gst_playbin)
 290                 m_error_message = "failed to create GStreamer pipeline!\n";
 291
 292         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 293
 294         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 295         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 296
 297         g_free(uri);
 298
 299         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 300         if (!subsink)
 301                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 302         else
 303         {
 304                 g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 305                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 306         }
 307
 308         if ( m_gst_playbin )
 309         {
 310                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 311                 char srt_filename[strlen(filename)+1];
 312                 strncpy(srt_filename,filename,strlen(filename)-3);
 313                 srt_filename[strlen(filename)-3]='\0';
 314                 strcat(srt_filename, "srt");
 315                 struct stat buffer;
 316                 if (stat(srt_filename, &buffer) == 0)
 317                 {
 318                         std::string suburi = "file://" + (std::string)srt_filename;
 319                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 320                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 321                         subtitleStream subs;
 322                         subs.type = stSRT;
 323                         subs.language_code = std::string("und");
 324                         m_subtitleStreams.push_back(subs);
 325                 }
 326         } else
 327         {
 328                 m_event((iPlayableService*)this, evUser+12);
 329
 330                 if (m_gst_playbin)
 331                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 332
 333                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 334                 m_gst_playbin = 0;
 335         }
 336
 337         gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 338         setBufferSize(m_buffer_size);
 339 }
 340
 341 eServiceMP3::~eServiceMP3()
 342 {
 343         delete m_subtitle_widget;
 344         if (m_state == stRunning)
 345                 stop();
 346
 347         if (m_stream_tags)
 348                 gst_tag_list_free(m_stream_tags);
 349
 350         if (m_gst_playbin)
 351         {
 352                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 353                 eDebug("eServiceMP3::destruct!");
 354         }
 355 }
 356
 357 DEFINE_REF(eServiceMP3);
 358
 359 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 360 {
 361         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 362         return 0;
 363 }
 364
 365 RESULT eServiceMP3::start()
 366 {
 367         ASSERT(m_state == stIdle);
 368
 369         m_state = stRunning;
 370         if (m_gst_playbin)
 371         {
 372                 eDebug("eServiceMP3::starting pipeline");
 373                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 374         }
 375         m_event(this, evStart);
 376         return 0;
 377 }
 378
 379 RESULT eServiceMP3::stop()
 380 {
 381         ASSERT(m_state != stIdle);
 382         if (m_state == stStopped)
 383                 return -1;
 384         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 385         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 386         m_state = stStopped;
 387         return 0;
 388 }
 389
 390 RESULT eServiceMP3::setTarget(int target)
 391 {
 392         return -1;
 393 }
 394
 395 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 396 {
 397         ptr=this;
 398         return 0;
 399 }
 400
 401 RESULT eServiceMP3::setSlowMotion(int ratio)
 402 {
 403         if (!ratio)
 404                 return 0;
 405         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 406         return trickSeek(1/(float)ratio);
 407 }
 408
 409 RESULT eServiceMP3::setFastForward(int ratio)
 410 {
 411         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 412         return trickSeek(ratio);
 413 }
 414
 415 void eServiceMP3::seekTimeoutCB()
 416 {
 417         pts_t ppos, len;
 418         getPlayPosition(ppos);
 419         getLength(len);
 420         ppos += 90000*m_currentTrickRatio;
 421
 422         if (ppos < 0)
 423         {
 424                 ppos = 0;
 425                 m_seekTimeout->stop();
 426         }
 427         if (ppos > len)
 428         {
 429                 ppos = 0;
 430                 stop();
 431                 m_seekTimeout->stop();
 432                 return;
 433         }
 434         seekTo(ppos);
 435 }
 436
 437                 // iPausableService
 438 RESULT eServiceMP3::pause()
 439 {
 440         if (!m_gst_playbin || m_state != stRunning)
 441                 return -1;
 442
 443         gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 444
 445         return 0;
 446 }
 447
 448 RESULT eServiceMP3::unpause()
 449 {
 450         if (!m_gst_playbin || m_state != stRunning)
 451                 return -1;
 452
 453         gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 454
 455         return 0;
 456 }
 457
 458         /* iSeekableService */
 459 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 460 {
 461         ptr = this;
 462         return 0;
 463 }
 464
 465 RESULT eServiceMP3::getLength(pts_t &pts)
 466 {
 467         if (!m_gst_playbin)
 468                 return -1;
 469
 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::seekToImpl(pts_t to)
 485 {
 486                 /* convert pts to nanoseconds */
 487         gint64 time_nanoseconds = to * 11111LL;
 488         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 489                 GST_SEEK_TYPE_SET, time_nanoseconds,
 490                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 491         {
 492                 eDebug("eServiceMP3::seekTo failed");
 493                 return -1;
 494         }
 495
 496         return 0;
 497 }
 498
 499 RESULT eServiceMP3::seekTo(pts_t to)
 500 {
 501         RESULT ret = -1;
 502
 503         if (m_gst_playbin) {
 504                 eSingleLocker l(m_subs_to_pull_lock); // this is needed to dont handle incomming subtitles during seek!
 505                 if (!(ret = seekToImpl(to)))
 506                 {
 507                         m_subtitle_pages.clear();
 508                         m_subs_to_pull = 0;
 509                 }
 510         }
 511
 512         return ret;
 513 }
 514
 515
 516 RESULT eServiceMP3::trickSeek(gdouble ratio)
 517 {
 518         if (!m_gst_playbin)
 519                 return -1;
 520         if (!ratio)
 521                 return seekRelative(0, 0);
 522
 523         GstEvent *s_event;
 524         int flags;
 525         flags = GST_SEEK_FLAG_NONE;
 526         flags |= GST_SEEK_FLAG_FLUSH;
 527 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 528         flags |= GST_SEEK_FLAG_KEY_UNIT;
 529 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 530 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 531
 532         GstFormat fmt = GST_FORMAT_TIME;
 533         gint64 pos, len;
 534         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 535         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 536
 537         if ( ratio >= 0 )
 538         {
 539                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 540
 541                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 542         }
 543         else
 544         {
 545                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)(GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH), GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
 546         }
 547
 548         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 549         {
 550                 eDebug("eServiceMP3::trickSeek failed");
 551                 return -1;
 552         }
 553
 554         return 0;
 555 }
 556
 557
 558 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 559 {
 560         if (!m_gst_playbin)
 561                 return -1;
 562
 563         pts_t ppos;
 564         getPlayPosition(ppos);
 565         ppos += to * direction;
 566         if (ppos < 0)
 567                 ppos = 0;
 568         seekTo(ppos);
 569
 570         return 0;
 571 }
 572
 573 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 574 {
 575         GstFormat fmt = GST_FORMAT_TIME;
 576         gint64 pos;
 577         GstElement *sink;
 578         pts = 0;
 579
 580         if (!m_gst_playbin)
 581                 return -1;
 582         if (m_state != stRunning)
 583                 return -1;
 584
 585         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 586
 587         if (!sink)
 588                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 589
 590         if (!sink)
 591                 return -1;
 592
 593         gchar *name = gst_element_get_name(sink);
 594         gboolean use_get_decoder_time = strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink");
 595         g_free(name);
 596
 597         if (use_get_decoder_time)
 598                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 599
 600         gst_object_unref(sink);
 601
 602         if (!use_get_decoder_time && !gst_element_query_position(m_gst_playbin, &fmt, &pos)) {
 603                 eDebug("gst_element_query_position failed in getPlayPosition");
 604                 return -1;
 605         }
 606
 607         /* pos is in nanoseconds. we have 90 000 pts per second. */
 608         pts = pos / 11111;
 609         return 0;
 610 }
 611
 612 RESULT eServiceMP3::setTrickmode(int trick)
 613 {
 614                 /* trickmode is not yet supported by our dvbmediasinks. */
 615         return -1;
 616 }
 617
 618 RESULT eServiceMP3::isCurrentlySeekable()
 619 {
 620         return 1;
 621 }
 622
 623 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 624 {
 625         i = this;
 626         return 0;
 627 }
 628
 629 RESULT eServiceMP3::getName(std::string &name)
 630 {
 631         std::string title = m_ref.getName();
 632         if (title.empty())
 633         {
 634                 name = m_ref.path;
 635                 size_t n = name.rfind('/');
 636                 if (n != std::string::npos)
 637                         name = name.substr(n + 1);
 638         }
 639         else
 640                 name = title;
 641         return 0;
 642 }
 643
 644
 645 int eServiceMP3::getInfo(int w)
 646 {
 647         const gchar *tag = 0;
 648
 649         switch (w)
 650         {
 651         case sServiceref: return m_ref;
 652         case sVideoHeight: return m_height;
 653         case sVideoWidth: return m_width;
 654         case sFrameRate: return m_framerate;
 655         case sProgressive: return m_progressive;
 656         case sAspect: return m_aspect;
 657         case sTagTitle:
 658         case sTagArtist:
 659         case sTagAlbum:
 660         case sTagTitleSortname:
 661         case sTagArtistSortname:
 662         case sTagAlbumSortname:
 663         case sTagDate:
 664         case sTagComposer:
 665         case sTagGenre:
 666         case sTagComment:
 667         case sTagExtendedComment:
 668         case sTagLocation:
 669         case sTagHomepage:
 670         case sTagDescription:
 671         case sTagVersion:
 672         case sTagISRC:
 673         case sTagOrganization:
 674         case sTagCopyright:
 675         case sTagCopyrightURI:
 676         case sTagContact:
 677         case sTagLicense:
 678         case sTagLicenseURI:
 679         case sTagCodec:
 680         case sTagAudioCodec:
 681         case sTagVideoCodec:
 682         case sTagEncoder:
 683         case sTagLanguageCode:
 684         case sTagKeywords:
 685         case sTagChannelMode:
 686         case sUser+12:
 687                 return resIsString;
 688         case sTagTrackGain:
 689         case sTagTrackPeak:
 690         case sTagAlbumGain:
 691         case sTagAlbumPeak:
 692         case sTagReferenceLevel:
 693         case sTagBeatsPerMinute:
 694         case sTagImage:
 695         case sTagPreviewImage:
 696         case sTagAttachment:
 697                 return resIsPyObject;
 698         case sTagTrackNumber:
 699                 tag = GST_TAG_TRACK_NUMBER;
 700                 break;
 701         case sTagTrackCount:
 702                 tag = GST_TAG_TRACK_COUNT;
 703                 break;
 704         case sTagAlbumVolumeNumber:
 705                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 706                 break;
 707         case sTagAlbumVolumeCount:
 708                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 709                 break;
 710         case sTagBitrate:
 711                 tag = GST_TAG_BITRATE;
 712                 break;
 713         case sTagNominalBitrate:
 714                 tag = GST_TAG_NOMINAL_BITRATE;
 715                 break;
 716         case sTagMinimumBitrate:
 717                 tag = GST_TAG_MINIMUM_BITRATE;
 718                 break;
 719         case sTagMaximumBitrate:
 720                 tag = GST_TAG_MAXIMUM_BITRATE;
 721                 break;
 722         case sTagSerial:
 723                 tag = GST_TAG_SERIAL;
 724                 break;
 725         case sTagEncoderVersion:
 726                 tag = GST_TAG_ENCODER_VERSION;
 727                 break;
 728         case sTagCRC:
 729                 tag = "has-crc";
 730                 break;
 731         default:
 732                 return resNA;
 733         }
 734
 735         if (!m_stream_tags || !tag)
 736                 return 0;
 737
 738         guint value;
 739         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 740                 return (int) value;
 741
 742         return 0;
 743 }
 744
 745 std::string eServiceMP3::getInfoString(int w)
 746 {
 747         if ( !m_stream_tags && w < sUser && w > 26 )
 748                 return "";
 749         const gchar *tag = 0;
 750         switch (w)
 751         {
 752         case sTagTitle:
 753                 tag = GST_TAG_TITLE;
 754                 break;
 755         case sTagArtist:
 756                 tag = GST_TAG_ARTIST;
 757                 break;
 758         case sTagAlbum:
 759                 tag = GST_TAG_ALBUM;
 760                 break;
 761         case sTagTitleSortname:
 762                 tag = GST_TAG_TITLE_SORTNAME;
 763                 break;
 764         case sTagArtistSortname:
 765                 tag = GST_TAG_ARTIST_SORTNAME;
 766                 break;
 767         case sTagAlbumSortname:
 768                 tag = GST_TAG_ALBUM_SORTNAME;
 769                 break;
 770         case sTagDate:
 771                 GDate *date;
 772                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 773                 {
 774                         gchar res[5];
 775                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 776                         return (std::string)res;
 777                 }
 778                 break;
 779         case sTagComposer:
 780                 tag = GST_TAG_COMPOSER;
 781                 break;
 782         case sTagGenre:
 783                 tag = GST_TAG_GENRE;
 784                 break;
 785         case sTagComment:
 786                 tag = GST_TAG_COMMENT;
 787                 break;
 788         case sTagExtendedComment:
 789                 tag = GST_TAG_EXTENDED_COMMENT;
 790                 break;
 791         case sTagLocation:
 792                 tag = GST_TAG_LOCATION;
 793                 break;
 794         case sTagHomepage:
 795                 tag = GST_TAG_HOMEPAGE;
 796                 break;
 797         case sTagDescription:
 798                 tag = GST_TAG_DESCRIPTION;
 799                 break;
 800         case sTagVersion:
 801                 tag = GST_TAG_VERSION;
 802                 break;
 803         case sTagISRC:
 804                 tag = GST_TAG_ISRC;
 805                 break;
 806         case sTagOrganization:
 807                 tag = GST_TAG_ORGANIZATION;
 808                 break;
 809         case sTagCopyright:
 810                 tag = GST_TAG_COPYRIGHT;
 811                 break;
 812         case sTagCopyrightURI:
 813                 tag = GST_TAG_COPYRIGHT_URI;
 814                 break;
 815         case sTagContact:
 816                 tag = GST_TAG_CONTACT;
 817                 break;
 818         case sTagLicense:
 819                 tag = GST_TAG_LICENSE;
 820                 break;
 821         case sTagLicenseURI:
 822                 tag = GST_TAG_LICENSE_URI;
 823                 break;
 824         case sTagCodec:
 825                 tag = GST_TAG_CODEC;
 826                 break;
 827         case sTagAudioCodec:
 828                 tag = GST_TAG_AUDIO_CODEC;
 829                 break;
 830         case sTagVideoCodec:
 831                 tag = GST_TAG_VIDEO_CODEC;
 832                 break;
 833         case sTagEncoder:
 834                 tag = GST_TAG_ENCODER;
 835                 break;
 836         case sTagLanguageCode:
 837                 tag = GST_TAG_LANGUAGE_CODE;
 838                 break;
 839         case sTagKeywords:
 840                 tag = GST_TAG_KEYWORDS;
 841                 break;
 842         case sTagChannelMode:
 843                 tag = "channel-mode";
 844                 break;
 845         case sUser+12:
 846                 return m_error_message;
 847         default:
 848                 return "";
 849         }
 850         if ( !tag )
 851                 return "";
 852         gchar *value;
 853         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 854         {
 855                 std::string res = value;
 856                 g_free(value);
 857                 return res;
 858         }
 859         return "";
 860 }
 861
 862 PyObject *eServiceMP3::getInfoObject(int w)
 863 {
 864         const gchar *tag = 0;
 865         bool isBuffer = false;
 866         switch (w)
 867         {
 868                 case sTagTrackGain:
 869                         tag = GST_TAG_TRACK_GAIN;
 870                         break;
 871                 case sTagTrackPeak:
 872                         tag = GST_TAG_TRACK_PEAK;
 873                         break;
 874                 case sTagAlbumGain:
 875                         tag = GST_TAG_ALBUM_GAIN;
 876                         break;
 877                 case sTagAlbumPeak:
 878                         tag = GST_TAG_ALBUM_PEAK;
 879                         break;
 880                 case sTagReferenceLevel:
 881                         tag = GST_TAG_REFERENCE_LEVEL;
 882                         break;
 883                 case sTagBeatsPerMinute:
 884                         tag = GST_TAG_BEATS_PER_MINUTE;
 885                         break;
 886                 case sTagImage:
 887                         tag = GST_TAG_IMAGE;
 888                         isBuffer = true;
 889                         break;
 890                 case sTagPreviewImage:
 891                         tag = GST_TAG_PREVIEW_IMAGE;
 892                         isBuffer = true;
 893                         break;
 894                 case sTagAttachment:
 895                         tag = GST_TAG_ATTACHMENT;
 896                         isBuffer = true;
 897                         break;
 898                 default:
 899                         break;
 900         }
 901
 902         if ( isBuffer )
 903         {
 904                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 905                 if ( gv_buffer )
 906                 {
 907                         GstBuffer *buffer;
 908                         buffer = gst_value_get_buffer (gv_buffer);
 909                         return PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 910                 }
 911         }
 912         else
 913         {
 914                 gdouble value = 0.0;
 915                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 916                 return PyFloat_FromDouble(value);
 917         }
 918
 919         return 0;
 920 }
 921
 922 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 923 {
 924         ptr = this;
 925         return 0;
 926 }
 927
 928 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 929 {
 930         ptr = this;
 931         return 0;
 932 }
 933
 934 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 935 {
 936         ptr = this;
 937         return 0;
 938 }
 939
 940 int eServiceMP3::getNumberOfTracks()
 941 {
 942         return m_audioStreams.size();
 943 }
 944
 945 int eServiceMP3::getCurrentTrack()
 946 {
 947         return m_currentAudioStream;
 948 }
 949
 950 RESULT eServiceMP3::selectTrack(unsigned int i)
 951 {
 952         pts_t ppos;
 953         getPlayPosition(ppos);
 954         ppos -= 90000;
 955         if (ppos < 0)
 956                 ppos = 0;
 957
 958         int ret = selectAudioStream(i);
 959         if (!ret) {
 960                 /* flush */
 961                 seekTo(ppos);
 962         }
 963
 964         return ret;
 965 }
 966
 967 int eServiceMP3::selectAudioStream(int i)
 968 {
 969         int current_audio;
 970         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 971         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 972         if ( current_audio == i )
 973         {
 974                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 975                 m_currentAudioStream = i;
 976                 return 0;
 977         }
 978         return -1;
 979 }
 980
 981 int eServiceMP3::getCurrentChannel()
 982 {
 983         return STEREO;
 984 }
 985
 986 RESULT eServiceMP3::selectChannel(int i)
 987 {
 988         eDebug("eServiceMP3::selectChannel(%i)",i);
 989         return 0;
 990 }
 991
 992 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 993 {
 994         if (i >= m_audioStreams.size())
 995                 return -2;
 996                 info.m_description = m_audioStreams[i].codec;
 997 /*      if (m_audioStreams[i].type == atMPEG)
 998                 info.m_description = "MPEG";
 999         else if (m_audioStreams[i].type == atMP3)
1000                 info.m_description = "MP3";
1001         else if (m_audioStreams[i].type == atAC3)
1002                 info.m_description = "AC3";
1003         else if (m_audioStreams[i].type == atAAC)
1004                 info.m_description = "AAC";
1005         else if (m_audioStreams[i].type == atDTS)
1006                 info.m_description = "DTS";
1007         else if (m_audioStreams[i].type == atPCM)
1008                 info.m_description = "PCM";
1009         else if (m_audioStreams[i].type == atOGG)
1010                 info.m_description = "OGG";
1011         else if (m_audioStreams[i].type == atFLAC)
1012                 info.m_description = "FLAC";
1013         else
1014                 info.m_description = "???";*/
1015         if (info.m_language.empty())
1016                 info.m_language = m_audioStreams[i].language_code;
1017         return 0;
1018 }
1019
1020 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1021 {
1022         if (!msg)
1023                 return;
1024         gchar *sourceName;
1025         GstObject *source;
1026
1027         source = GST_MESSAGE_SRC(msg);
1028         sourceName = gst_object_get_name(source);
1029 #if 0
1030         if (gst_message_get_structure(msg))
1031         {
1032                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1033                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1034                 g_free(string);
1035         }
1036         else
1037                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1038 #endif
1039         switch (GST_MESSAGE_TYPE (msg))
1040         {
1041                 case GST_MESSAGE_EOS:
1042                         m_event((iPlayableService*)this, evEOF);
1043                         break;
1044                 case GST_MESSAGE_STATE_CHANGED:
1045                 {
1046                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1047                                 break;
1048
1049                         GstState old_state, new_state;
1050                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1051
1052                         if(old_state == new_state)
1053                                 break;
1054
1055                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1056
1057                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1058
1059                         switch(transition)
1060                         {
1061                                 case GST_STATE_CHANGE_NULL_TO_READY:
1062                                 {
1063                                 }       break;
1064                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1065                                 {
1066                                         GstElement *sink;
1067                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1068                                         if (sink)
1069                                         {
1070                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1071                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1072                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1073                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1074                                                 gst_object_unref(sink);
1075                                         }
1076                                 }       break;
1077                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1078                                 {
1079                                 }       break;
1080                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1081                                 {
1082                                 }       break;
1083                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1084                                 {
1085                                 }       break;
1086                                 case GST_STATE_CHANGE_READY_TO_NULL:
1087                                 {
1088                                 }       break;
1089                         }
1090                         break;
1091                 }
1092                 case GST_MESSAGE_ERROR:
1093                 {
1094                         gchar *debug;
1095                         GError *err;
1096                         gst_message_parse_error (msg, &err, &debug);
1097                         g_free (debug);
1098                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1099                         if ( err->domain == GST_STREAM_ERROR )
1100                         {
1101                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1102                                 {
1103                                         if ( g_strrstr(sourceName, "videosink") )
1104                                                 m_event((iPlayableService*)this, evUser+11);
1105                                         else if ( g_strrstr(sourceName, "audiosink") )
1106                                                 m_event((iPlayableService*)this, evUser+10);
1107                                 }
1108                         }
1109                         g_error_free(err);
1110                         break;
1111                 }
1112                 case GST_MESSAGE_INFO:
1113                 {
1114                         gchar *debug;
1115                         GError *inf;
1116
1117                         gst_message_parse_info (msg, &inf, &debug);
1118                         g_free (debug);
1119                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1120                         {
1121                                 if ( g_strrstr(sourceName, "videosink") )
1122                                         m_event((iPlayableService*)this, evUser+14);
1123                         }
1124                         g_error_free(inf);
1125                         break;
1126                 }
1127                 case GST_MESSAGE_TAG:
1128                 {
1129                         GstTagList *tags, *result;
1130                         gst_message_parse_tag(msg, &tags);
1131
1132                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1133                         if (result)
1134                         {
1135                                 if (m_stream_tags)
1136                                         gst_tag_list_free(m_stream_tags);
1137                                 m_stream_tags = result;
1138                         }
1139
1140                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1141                         if ( gv_image )
1142                         {
1143                                 GstBuffer *buf_image;
1144                                 buf_image = gst_value_get_buffer (gv_image);
1145                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1146                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1147                                 close(fd);
1148                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1149                                 m_event((iPlayableService*)this, evUser+13);
1150                         }
1151                         gst_tag_list_free(tags);
1152                         m_event((iPlayableService*)this, evUpdatedInfo);
1153                         break;
1154                 }
1155                 case GST_MESSAGE_ASYNC_DONE:
1156                 {
1157                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1158                                 break;
1159
1160                         GstTagList *tags;
1161                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1162
1163                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1164                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1165                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1166
1167                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1168
1169                         if ( n_video + n_audio <= 0 )
1170                                 stop();
1171
1172                         active_idx = 0;
1173
1174                         m_audioStreams.clear();
1175                         m_subtitleStreams.clear();
1176
1177                         for (i = 0; i < n_audio; i++)
1178                         {
1179                                 audioStream audio;
1180                                 gchar *g_codec, *g_lang;
1181                                 GstPad* pad = 0;
1182                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1183                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1184                                 if (!caps)
1185                                         continue;
1186                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1187                                 const gchar *g_type = gst_structure_get_name(str);
1188                                 eDebug("AUDIO STRUCT=%s", g_type);
1189                                 audio.type = gstCheckAudioPad(str);
1190                                 g_codec = g_strdup(g_type);
1191                                 g_lang = g_strdup_printf ("und");
1192                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1193                                 if ( tags && gst_is_tag_list(tags) )
1194                                 {
1195                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1196                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1197                                         gst_tag_list_free(tags);
1198                                 }
1199                                 audio.language_code = std::string(g_lang);
1200                                 audio.codec = std::string(g_codec);
1201                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1202                                 m_audioStreams.push_back(audio);
1203                                 g_free (g_lang);
1204                                 g_free (g_codec);
1205                                 gst_caps_unref(caps);
1206                         }
1207
1208                         for (i = 0; i < n_text; i++)
1209                         {
1210                                 gchar *g_lang;
1211 //                              gchar *g_type;
1212 //                              GstPad* pad = 0;
1213 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1214 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1215 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1216 //                              g_type = gst_structure_get_name(str);
1217 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1218                                 subtitleStream subs;
1219                                 subs.type = stPlainText;
1220                                 g_lang = g_strdup_printf ("und");
1221                                 if ( tags && gst_is_tag_list(tags) )
1222                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1223                                 subs.language_code = std::string(g_lang);
1224                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1225                                 m_subtitleStreams.push_back(subs);
1226                                 g_free (g_lang);
1227 //                              g_free (g_type);
1228                         }
1229                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1230                 }
1231                 case GST_MESSAGE_ELEMENT:
1232                 {
1233                         if ( gst_is_missing_plugin_message(msg) )
1234                         {
1235                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1236                                 if ( description )
1237                                 {
1238                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1239                                         g_free(description);
1240                                         m_event((iPlayableService*)this, evUser+12);
1241                                 }
1242                         }
1243                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1244                         {
1245                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1246                                 if ( eventname )
1247                                 {
1248                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1249                                         {
1250                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1251                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1252                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1253                                                 if (strstr(eventname, "Changed"))
1254                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1255                                         }
1256                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1257                                         {
1258                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1259                                                 if (strstr(eventname, "Changed"))
1260                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1261                                         }
1262                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1263                                         {
1264                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1265                                                 if (strstr(eventname, "Changed"))
1266                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1267                                         }
1268                                 }
1269                         }
1270                         break;
1271                 }
1272                 case GST_MESSAGE_BUFFERING:
1273                 {
1274                         GstBufferingMode mode;
1275                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1276                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1277                         m_event((iPlayableService*)this, evBuffering);
1278                 }
1279                 default:
1280                         break;
1281         }
1282         g_free (sourceName);
1283 }
1284
1285 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1286 {
1287         eServiceMP3 *_this = (eServiceMP3*)user_data;
1288         _this->m_pump.send(1);
1289                 /* wake */
1290         return GST_BUS_PASS;
1291 }
1292
1293 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1294 {
1295         if (!structure)
1296                 return atUnknown;
1297
1298         if ( gst_structure_has_name (structure, "audio/mpeg"))
1299         {
1300                 gint mpegversion, layer = -1;
1301                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1302                         return atUnknown;
1303
1304                 switch (mpegversion) {
1305                         case 1:
1306                                 {
1307                                         gst_structure_get_int (structure, "layer", &layer);
1308                                         if ( layer == 3 )
1309                                                 return atMP3;
1310                                         else
1311                                                 return atMPEG;
1312                                         break;
1313                                 }
1314                         case 2:
1315                                 return atAAC;
1316                         case 4:
1317                                 return atAAC;
1318                         default:
1319                                 return atUnknown;
1320                 }
1321         }
1322
1323         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1324                 return atAC3;
1325         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1326                 return atDTS;
1327         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1328                 return atPCM;
1329
1330         return atUnknown;
1331 }
1332
1333 void eServiceMP3::gstPoll(const int &msg)
1334 {
1335                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1336                    us the wakup signal, but likely before it was posted.
1337                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1338
1339                    I need to understand the API a bit more to make this work
1340                    proplerly. */
1341         if (msg == 1)
1342         {
1343                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1344                 GstMessage *message;
1345                 usleep(1);
1346                 while ((message = gst_bus_pop (bus)))
1347                 {
1348                         gstBusCall(bus, message);
1349                         gst_message_unref (message);
1350                 }
1351         }
1352         else
1353                 pullSubtitle();
1354 }
1355
1356 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1357
1358 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1359 {
1360         eServiceMP3 *_this = (eServiceMP3*)user_data;
1361         eSingleLocker l(_this->m_subs_to_pull_lock);
1362         ++_this->m_subs_to_pull;
1363         _this->m_pump.send(2);
1364 }
1365
1366 void eServiceMP3::pullSubtitle()
1367 {
1368         GstElement *sink;
1369         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1370         if (sink)
1371         {
1372                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1373                 {
1374                         GstBuffer *buffer;
1375                         {
1376                                 eSingleLocker l(m_subs_to_pull_lock);
1377                                 --m_subs_to_pull;
1378                                 g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1379                         }
1380                         if (buffer)
1381                         {
1382                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1383                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1384                                 size_t len = GST_BUFFER_SIZE(buffer);
1385                                 unsigned char line[len+1];
1386                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1387                                 line[len] = 0;
1388                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1389                                 ePangoSubtitlePage page;
1390                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1391                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1392                                 page.show_pts = buf_pos / 11111L;
1393                                 page.m_timeout = duration_ns / 1000000;
1394                                 m_subtitle_pages.push_back(page);
1395                                 pushSubtitles();
1396                                 gst_buffer_unref(buffer);
1397                         }
1398                 }
1399                 gst_object_unref(sink);
1400         }
1401         else
1402                 eDebug("no subtitle sink!");
1403 }
1404
1405 void eServiceMP3::pushSubtitles()
1406 {
1407         ePangoSubtitlePage page;
1408         pts_t running_pts;
1409         while ( !m_subtitle_pages.empty() )
1410         {
1411                 getPlayPosition(running_pts);
1412                 page = m_subtitle_pages.front();
1413                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1414                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1415                 if (diff_ms < -100)
1416                 {
1417                         GstFormat fmt = GST_FORMAT_TIME;
1418                         gint64 now;
1419                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1420                         {
1421                                 now /= 11111;
1422                                 diff_ms = abs((now - running_pts) / 90);
1423                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1424                                 if (diff_ms > 100000)
1425                                 {
1426                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1427                                         m_subtitle_sync_timer->start(1000, true);
1428                                         break;
1429                                 }
1430                         }
1431                         else
1432                                 eDebug("query position for decoder/pipeline check failed!");
1433                         eDebug("subtitle to late... drop");
1434                         m_subtitle_pages.pop_front();
1435                 }
1436                 else if ( diff_ms > 20 )
1437                 {
1438 //                      eDebug("start recheck timer");
1439                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1440                         break;
1441                 }
1442                 else // immediate show
1443                 {
1444                         if (m_subtitle_widget)
1445                                 m_subtitle_widget->setPage(page);
1446                         m_subtitle_pages.pop_front();
1447                 }
1448         }
1449         if (m_subtitle_pages.empty())
1450                 pullSubtitle();
1451 }
1452
1453 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1454 {
1455         ePyObject entry;
1456         int tuplesize = PyTuple_Size(tuple);
1457         int pid, type;
1458         gint text_pid = 0;
1459
1460         if (!PyTuple_Check(tuple))
1461                 goto error_out;
1462         if (tuplesize < 1)
1463                 goto error_out;
1464         entry = PyTuple_GET_ITEM(tuple, 1);
1465         if (!PyInt_Check(entry))
1466                 goto error_out;
1467         pid = PyInt_AsLong(entry);
1468         entry = PyTuple_GET_ITEM(tuple, 2);
1469         if (!PyInt_Check(entry))
1470                 goto error_out;
1471         type = PyInt_AsLong(entry);
1472
1473         if (m_currentSubtitleStream != pid)
1474         {
1475                 eSingleLocker l(m_subs_to_pull_lock);
1476                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1477                 m_currentSubtitleStream = pid;
1478                 m_subs_to_pull = 0;
1479                 m_subtitle_pages.clear();
1480         }
1481
1482         m_subtitle_widget = 0;
1483         m_subtitle_widget = new eSubtitleWidget(parent);
1484         m_subtitle_widget->resize(parent->size()); /* full size */
1485
1486         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1487
1488         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1489
1490         return 0;
1491
1492 error_out:
1493         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1494                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1495         return -1;
1496 }
1497
1498 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1499 {
1500         eDebug("eServiceMP3::disableSubtitles");
1501         m_subtitle_pages.clear();
1502         delete m_subtitle_widget;
1503         m_subtitle_widget = 0;
1504         return 0;
1505 }
1506
1507 PyObject *eServiceMP3::getCachedSubtitle()
1508 {
1509 //      eDebug("eServiceMP3::getCachedSubtitle");
1510         Py_RETURN_NONE;
1511 }
1512
1513 PyObject *eServiceMP3::getSubtitleList()
1514 {
1515         eDebug("eServiceMP3::getSubtitleList");
1516
1517         ePyObject l = PyList_New(0);
1518         int stream_count[sizeof(subtype_t)];
1519         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1520                 stream_count[i] = 0;
1521
1522         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1523         {
1524                 subtype_t type = IterSubtitleStream->type;
1525                 ePyObject tuple = PyTuple_New(5);
1526                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1527                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1528                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1529                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1530                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1531                 PyList_Append(l, tuple);
1532                 Py_DECREF(tuple);
1533                 stream_count[type]++;
1534         }
1535         return l;
1536 }
1537
1538 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1539 {
1540         ptr = this;
1541         return 0;
1542 }
1543
1544 PyObject *eServiceMP3::getBufferCharge()
1545 {
1546         ePyObject tuple = PyTuple_New(5);
1547         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1548         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1549         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1550         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1551         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1552         return tuple;
1553 }
1554
1555 int eServiceMP3::setBufferSize(int size)
1556 {
1557         m_buffer_size = size;
1558         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1559         return 0;
1560 }
1561
1562
1563 #else
1564 #warning gstreamer not available, not building media player
1565 #endif