code.vuplus.com Git - vuplus_dvbapp/blob - 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         m_buffer_size = 1*1024*1024;
 200         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 201         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 202         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 203         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 204
 205         m_state = stIdle;
 206         eDebug("eServiceMP3::construct!");
 207
 208         const char *ext = strrchr(filename, '.');
 209         if (!ext)
 210                 ext = filename;
 211
 212         sourceStream sourceinfo;
 213         sourceinfo.is_video = FALSE;
 214         sourceinfo.audiotype = atUnknown;
 215         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 216         {
 217                 sourceinfo.containertype = ctMPEGPS;
 218                 sourceinfo.is_video = TRUE;
 219         }
 220         else if ( strcasecmp(ext, ".ts") == 0 )
 221         {
 222                 sourceinfo.containertype = ctMPEGTS;
 223                 sourceinfo.is_video = TRUE;
 224         }
 225         else if ( strcasecmp(ext, ".mkv") == 0 )
 226         {
 227                 sourceinfo.containertype = ctMKV;
 228                 sourceinfo.is_video = TRUE;
 229         }
 230         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 231         {
 232                 sourceinfo.containertype = ctAVI;
 233                 sourceinfo.is_video = TRUE;
 234         }
 235         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
 236         {
 237                 sourceinfo.containertype = ctMP4;
 238                 sourceinfo.is_video = TRUE;
 239         }
 240         else if ( strcasecmp(ext, ".m4a") == 0 )
 241         {
 242                 sourceinfo.containertype = ctMP4;
 243                 sourceinfo.audiotype = atAAC;
 244         }
 245         else if ( strcasecmp(ext, ".mp3") == 0 )
 246                 sourceinfo.audiotype = atMP3;
 247         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 248                 sourceinfo.containertype = ctCDA;
 249         if ( strcasecmp(ext, ".dat") == 0 )
 250         {
 251                 sourceinfo.containertype = ctVCD;
 252                 sourceinfo.is_video = TRUE;
 253         }
 254         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 )
 255                 sourceinfo.is_streaming = TRUE;
 256
 257         gchar *uri;
 258
 259         if ( sourceinfo.is_streaming )
 260         {
 261                 uri = g_strdup_printf ("%s", filename);
 262         }
 263         else if ( sourceinfo.containertype == ctCDA )
 264         {
 265                 int i_track = atoi(filename+18);
 266                 uri = g_strdup_printf ("cdda://%i", i_track);
 267         }
 268         else if ( sourceinfo.containertype == ctVCD )
 269         {
 270                 int fd = open(filename,O_RDONLY);
 271                 char tmp[128*1024];
 272                 int ret = read(fd, tmp, 128*1024);
 273                 close(fd);
 274                 if ( ret == -1 ) // this is a "REAL" VCD
 275                         uri = g_strdup_printf ("vcd://");
 276                 else
 277                         uri = g_strdup_printf ("file://%s", filename);
 278         }
 279         else
 280
 281                 uri = g_strdup_printf ("file://%s", filename);
 282
 283         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 284
 285         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 286         if (!m_gst_playbin)
 287                 m_error_message = "failed to create GStreamer pipeline!\n";
 288
 289         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 290
 291         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 292         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 293
 294         g_free(uri);
 295
 296         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 297         if (!subsink)
 298                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 299         else
 300         {
 301                 g_object_set (G_OBJECT (subsink), "emit-signals", TRUE, NULL);
 302                 g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 303                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 304         }
 305
 306         if ( m_gst_playbin )
 307         {
 308                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 309                 char srt_filename[strlen(filename)+1];
 310                 strncpy(srt_filename,filename,strlen(filename)-3);
 311                 srt_filename[strlen(filename)-3]='\0';
 312                 strcat(srt_filename, "srt");
 313                 struct stat buffer;
 314                 if (stat(srt_filename, &buffer) == 0)
 315                 {
 316                         std::string suburi = "file://" + (std::string)srt_filename;
 317                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 318                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 319                         subtitleStream subs;
 320                         subs.type = stSRT;
 321                         subs.language_code = std::string("und");
 322                         m_subtitleStreams.push_back(subs);
 323                 }
 324         } else
 325         {
 326                 m_event((iPlayableService*)this, evUser+12);
 327
 328                 if (m_gst_playbin)
 329                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 330
 331                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 332                 m_gst_playbin = 0;
 333         }
 334
 335         gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 336         setBufferSize(m_buffer_size);
 337 }
 338
 339 eServiceMP3::~eServiceMP3()
 340 {
 341         delete m_subtitle_widget;
 342         if (m_state == stRunning)
 343                 stop();
 344
 345         if (m_stream_tags)
 346                 gst_tag_list_free(m_stream_tags);
 347
 348         if (m_gst_playbin)
 349         {
 350                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 351                 eDebug("eServiceMP3::destruct!");
 352         }
 353 }
 354
 355 DEFINE_REF(eServiceMP3);
 356
 357 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 358 {
 359         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 360         return 0;
 361 }
 362
 363 RESULT eServiceMP3::start()
 364 {
 365         ASSERT(m_state == stIdle);
 366
 367         m_state = stRunning;
 368         if (m_gst_playbin)
 369         {
 370                 eDebug("eServiceMP3::starting pipeline");
 371                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 372         }
 373         m_event(this, evStart);
 374         return 0;
 375 }
 376
 377 RESULT eServiceMP3::stop()
 378 {
 379         ASSERT(m_state != stIdle);
 380         if (m_state == stStopped)
 381                 return -1;
 382         eDebug("eServiceMP3::stop %s", m_filename.c_str());
 383         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 384         m_state = stStopped;
 385         return 0;
 386 }
 387
 388 RESULT eServiceMP3::setTarget(int target)
 389 {
 390         return -1;
 391 }
 392
 393 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 394 {
 395         ptr=this;
 396         return 0;
 397 }
 398
 399 RESULT eServiceMP3::setSlowMotion(int ratio)
 400 {
 401         if (!ratio)
 402                 return 0;
 403         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 404         return trickSeek(1/(float)ratio);
 405 }
 406
 407 RESULT eServiceMP3::setFastForward(int ratio)
 408 {
 409         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 410         return trickSeek(ratio);
 411 }
 412
 413 void eServiceMP3::seekTimeoutCB()
 414 {
 415         pts_t ppos, len;
 416         getPlayPosition(ppos);
 417         getLength(len);
 418         ppos += 90000*m_currentTrickRatio;
 419
 420         if (ppos < 0)
 421         {
 422                 ppos = 0;
 423                 m_seekTimeout->stop();
 424         }
 425         if (ppos > len)
 426         {
 427                 ppos = 0;
 428                 stop();
 429                 m_seekTimeout->stop();
 430                 return;
 431         }
 432         seekTo(ppos);
 433 }
 434
 435                 // iPausableService
 436 RESULT eServiceMP3::pause()
 437 {
 438         if (!m_gst_playbin || m_state != stRunning)
 439                 return -1;
 440         GstStateChangeReturn res = gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 441         if (res == GST_STATE_CHANGE_ASYNC)
 442         {
 443                 pts_t ppos;
 444                 getPlayPosition(ppos);
 445                 seekTo(ppos);
 446         }
 447         return 0;
 448 }
 449
 450 RESULT eServiceMP3::unpause()
 451 {
 452         m_subtitle_pages.clear();
 453         if (!m_gst_playbin || m_state != stRunning)
 454                 return -1;
 455
 456         GstStateChangeReturn res;
 457         res = gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 458         return 0;
 459 }
 460
 461         /* iSeekableService */
 462 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 463 {
 464         ptr = this;
 465         return 0;
 466 }
 467
 468 RESULT eServiceMP3::getLength(pts_t &pts)
 469 {
 470         if (!m_gst_playbin)
 471                 return -1;
 472         if (m_state != stRunning)
 473                 return -1;
 474
 475         GstFormat fmt = GST_FORMAT_TIME;
 476         gint64 len;
 477
 478         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 479                 return -1;
 480                 /* len is in nanoseconds. we have 90 000 pts per second. */
 481
 482         pts = len / 11111;
 483         return 0;
 484 }
 485
 486 RESULT eServiceMP3::seekTo(pts_t to)
 487 {
 488         m_subtitle_pages.clear();
 489
 490         if (!m_gst_playbin)
 491                 return -1;
 492
 493                 /* convert pts to nanoseconds */
 494         gint64 time_nanoseconds = to * 11111LL;
 495         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 496                 GST_SEEK_TYPE_SET, time_nanoseconds,
 497                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 498         {
 499                 eDebug("eServiceMP3::seekTo failed");
 500                 return -1;
 501         }
 502         return 0;
 503 }
 504
 505 RESULT eServiceMP3::trickSeek(gdouble ratio)
 506 {
 507         if (!m_gst_playbin)
 508                 return -1;
 509         if (!ratio)
 510                 return seekRelative(0, 0);
 511
 512         GstEvent *s_event;
 513         GstSeekFlags flags;
 514         flags = GST_SEEK_FLAG_NONE;
 515         flags |= GstSeekFlags (GST_SEEK_FLAG_FLUSH);
 516 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 517         flags |= GstSeekFlags (GST_SEEK_FLAG_KEY_UNIT);
 518 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 519 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 520
 521         GstFormat fmt = GST_FORMAT_TIME;
 522         gint64 pos, len;
 523         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 524         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 525
 526         if ( ratio >= 0 )
 527         {
 528                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 529
 530                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 531         }
 532         else
 533         {
 534                 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);
 535         }
 536
 537         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 538         {
 539                 eDebug("eServiceMP3::trickSeek failed");
 540                 return -1;
 541         }
 542
 543         return 0;
 544 }
 545
 546
 547 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 548 {
 549         if (!m_gst_playbin)
 550                 return -1;
 551
 552         pts_t ppos;
 553         getPlayPosition(ppos);
 554         ppos += to * direction;
 555         if (ppos < 0)
 556                 ppos = 0;
 557         seekTo(ppos);
 558
 559         return 0;
 560 }
 561
 562 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 563 {
 564         if (!m_gst_playbin)
 565                 return -1;
 566         if (m_state != stRunning)
 567                 return -1;
 568
 569         GstFormat fmt = GST_FORMAT_TIME;
 570         gint64 len;
 571
 572         if (!gst_element_query_position(m_gst_playbin, &fmt, &len))
 573                 return -1;
 574
 575                 /* len is in nanoseconds. we have 90 000 pts per second. */
 576         pts = len / 11111;
 577         return 0;
 578 }
 579
 580 RESULT eServiceMP3::setTrickmode(int trick)
 581 {
 582                 /* trickmode is not yet supported by our dvbmediasinks. */
 583         return -1;
 584 }
 585
 586 RESULT eServiceMP3::isCurrentlySeekable()
 587 {
 588         return 1;
 589 }
 590
 591 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 592 {
 593         i = this;
 594         return 0;
 595 }
 596
 597 RESULT eServiceMP3::getName(std::string &name)
 598 {
 599         if (m_title.empty())
 600         {
 601                 name = m_filename;
 602                 size_t n = name.rfind('/');
 603                 if (n != std::string::npos)
 604                         name = name.substr(n + 1);
 605         }
 606         else
 607                 name = m_title;
 608         return 0;
 609 }
 610
 611
 612 int eServiceMP3::getInfo(int w)
 613 {
 614         const gchar *tag = 0;
 615
 616         switch (w)
 617         {
 618         case sVideoHeight: return m_height;
 619         case sVideoWidth: return m_width;
 620         case sFrameRate: return m_framerate;
 621         case sProgressive: return m_progressive;
 622         case sAspect: return m_aspect;
 623         case sTagTitle:
 624         case sTagArtist:
 625         case sTagAlbum:
 626         case sTagTitleSortname:
 627         case sTagArtistSortname:
 628         case sTagAlbumSortname:
 629         case sTagDate:
 630         case sTagComposer:
 631         case sTagGenre:
 632         case sTagComment:
 633         case sTagExtendedComment:
 634         case sTagLocation:
 635         case sTagHomepage:
 636         case sTagDescription:
 637         case sTagVersion:
 638         case sTagISRC:
 639         case sTagOrganization:
 640         case sTagCopyright:
 641         case sTagCopyrightURI:
 642         case sTagContact:
 643         case sTagLicense:
 644         case sTagLicenseURI:
 645         case sTagCodec:
 646         case sTagAudioCodec:
 647         case sTagVideoCodec:
 648         case sTagEncoder:
 649         case sTagLanguageCode:
 650         case sTagKeywords:
 651         case sTagChannelMode:
 652         case sUser+12:
 653                 return resIsString;
 654         case sTagTrackGain:
 655         case sTagTrackPeak:
 656         case sTagAlbumGain:
 657         case sTagAlbumPeak:
 658         case sTagReferenceLevel:
 659         case sTagBeatsPerMinute:
 660         case sTagImage:
 661         case sTagPreviewImage:
 662         case sTagAttachment:
 663                 return resIsPyObject;
 664         case sTagTrackNumber:
 665                 tag = GST_TAG_TRACK_NUMBER;
 666                 break;
 667         case sTagTrackCount:
 668                 tag = GST_TAG_TRACK_COUNT;
 669                 break;
 670         case sTagAlbumVolumeNumber:
 671                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 672                 break;
 673         case sTagAlbumVolumeCount:
 674                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 675                 break;
 676         case sTagBitrate:
 677                 tag = GST_TAG_BITRATE;
 678                 break;
 679         case sTagNominalBitrate:
 680                 tag = GST_TAG_NOMINAL_BITRATE;
 681                 break;
 682         case sTagMinimumBitrate:
 683                 tag = GST_TAG_MINIMUM_BITRATE;
 684                 break;
 685         case sTagMaximumBitrate:
 686                 tag = GST_TAG_MAXIMUM_BITRATE;
 687                 break;
 688         case sTagSerial:
 689                 tag = GST_TAG_SERIAL;
 690                 break;
 691         case sTagEncoderVersion:
 692                 tag = GST_TAG_ENCODER_VERSION;
 693                 break;
 694         case sTagCRC:
 695                 tag = "has-crc";
 696                 break;
 697         default:
 698                 return resNA;
 699         }
 700
 701         if (!m_stream_tags || !tag)
 702                 return 0;
 703
 704         guint value;
 705         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 706                 return (int) value;
 707
 708         return 0;
 709 }
 710
 711 std::string eServiceMP3::getInfoString(int w)
 712 {
 713         if ( !m_stream_tags && w < sUser && w > 26 )
 714                 return "";
 715         const gchar *tag = 0;
 716         switch (w)
 717         {
 718         case sTagTitle:
 719                 tag = GST_TAG_TITLE;
 720                 break;
 721         case sTagArtist:
 722                 tag = GST_TAG_ARTIST;
 723                 break;
 724         case sTagAlbum:
 725                 tag = GST_TAG_ALBUM;
 726                 break;
 727         case sTagTitleSortname:
 728                 tag = GST_TAG_TITLE_SORTNAME;
 729                 break;
 730         case sTagArtistSortname:
 731                 tag = GST_TAG_ARTIST_SORTNAME;
 732                 break;
 733         case sTagAlbumSortname:
 734                 tag = GST_TAG_ALBUM_SORTNAME;
 735                 break;
 736         case sTagDate:
 737                 GDate *date;
 738                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 739                 {
 740                         gchar res[5];
 741                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 742                         return (std::string)res;
 743                 }
 744                 break;
 745         case sTagComposer:
 746                 tag = GST_TAG_COMPOSER;
 747                 break;
 748         case sTagGenre:
 749                 tag = GST_TAG_GENRE;
 750                 break;
 751         case sTagComment:
 752                 tag = GST_TAG_COMMENT;
 753                 break;
 754         case sTagExtendedComment:
 755                 tag = GST_TAG_EXTENDED_COMMENT;
 756                 break;
 757         case sTagLocation:
 758                 tag = GST_TAG_LOCATION;
 759                 break;
 760         case sTagHomepage:
 761                 tag = GST_TAG_HOMEPAGE;
 762                 break;
 763         case sTagDescription:
 764                 tag = GST_TAG_DESCRIPTION;
 765                 break;
 766         case sTagVersion:
 767                 tag = GST_TAG_VERSION;
 768                 break;
 769         case sTagISRC:
 770                 tag = GST_TAG_ISRC;
 771                 break;
 772         case sTagOrganization:
 773                 tag = GST_TAG_ORGANIZATION;
 774                 break;
 775         case sTagCopyright:
 776                 tag = GST_TAG_COPYRIGHT;
 777                 break;
 778         case sTagCopyrightURI:
 779                 tag = GST_TAG_COPYRIGHT_URI;
 780                 break;
 781         case sTagContact:
 782                 tag = GST_TAG_CONTACT;
 783                 break;
 784         case sTagLicense:
 785                 tag = GST_TAG_LICENSE;
 786                 break;
 787         case sTagLicenseURI:
 788                 tag = GST_TAG_LICENSE_URI;
 789                 break;
 790         case sTagCodec:
 791                 tag = GST_TAG_CODEC;
 792                 break;
 793         case sTagAudioCodec:
 794                 tag = GST_TAG_AUDIO_CODEC;
 795                 break;
 796         case sTagVideoCodec:
 797                 tag = GST_TAG_VIDEO_CODEC;
 798                 break;
 799         case sTagEncoder:
 800                 tag = GST_TAG_ENCODER;
 801                 break;
 802         case sTagLanguageCode:
 803                 tag = GST_TAG_LANGUAGE_CODE;
 804                 break;
 805         case sTagKeywords:
 806                 tag = GST_TAG_KEYWORDS;
 807                 break;
 808         case sTagChannelMode:
 809                 tag = "channel-mode";
 810                 break;
 811         case sUser+12:
 812                 return m_error_message;
 813         default:
 814                 return "";
 815         }
 816         if ( !tag )
 817                 return "";
 818         gchar *value;
 819         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 820         {
 821                 std::string res = value;
 822                 g_free(value);
 823                 return res;
 824         }
 825         return "";
 826 }
 827
 828 PyObject *eServiceMP3::getInfoObject(int w)
 829 {
 830         const gchar *tag = 0;
 831         bool isBuffer = false;
 832         switch (w)
 833         {
 834                 case sTagTrackGain:
 835                         tag = GST_TAG_TRACK_GAIN;
 836                         break;
 837                 case sTagTrackPeak:
 838                         tag = GST_TAG_TRACK_PEAK;
 839                         break;
 840                 case sTagAlbumGain:
 841                         tag = GST_TAG_ALBUM_GAIN;
 842                         break;
 843                 case sTagAlbumPeak:
 844                         tag = GST_TAG_ALBUM_PEAK;
 845                         break;
 846                 case sTagReferenceLevel:
 847                         tag = GST_TAG_REFERENCE_LEVEL;
 848                         break;
 849                 case sTagBeatsPerMinute:
 850                         tag = GST_TAG_BEATS_PER_MINUTE;
 851                         break;
 852                 case sTagImage:
 853                         tag = GST_TAG_IMAGE;
 854                         isBuffer = true;
 855                         break;
 856                 case sTagPreviewImage:
 857                         tag = GST_TAG_PREVIEW_IMAGE;
 858                         isBuffer = true;
 859                         break;
 860                 case sTagAttachment:
 861                         tag = GST_TAG_ATTACHMENT;
 862                         isBuffer = true;
 863                         break;
 864                 default:
 865                         break;
 866         }
 867         gdouble value;
 868         if ( !tag || !m_stream_tags )
 869                 value = 0.0;
 870         PyObject *pyValue;
 871         if ( isBuffer )
 872         {
 873                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 874                 if ( gv_buffer )
 875                 {
 876                         GstBuffer *buffer;
 877                         buffer = gst_value_get_buffer (gv_buffer);
 878                         pyValue = PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 879                 }
 880         }
 881         else
 882         {
 883                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 884                 pyValue = PyFloat_FromDouble(value);
 885         }
 886
 887         return pyValue;
 888 }
 889
 890 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 891 {
 892         ptr = this;
 893         return 0;
 894 }
 895
 896 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 897 {
 898         ptr = this;
 899         return 0;
 900 }
 901
 902 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 903 {
 904         ptr = this;
 905         return 0;
 906 }
 907
 908 int eServiceMP3::getNumberOfTracks()
 909 {
 910         return m_audioStreams.size();
 911 }
 912
 913 int eServiceMP3::getCurrentTrack()
 914 {
 915         return m_currentAudioStream;
 916 }
 917
 918 RESULT eServiceMP3::selectTrack(unsigned int i)
 919 {
 920         int ret = selectAudioStream(i);
 921         /* flush */
 922         pts_t ppos;
 923         getPlayPosition(ppos);
 924         seekTo(ppos);
 925
 926         return ret;
 927 }
 928
 929 int eServiceMP3::selectAudioStream(int i)
 930 {
 931         int current_audio;
 932         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 933         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 934         if ( current_audio == i )
 935         {
 936                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 937                 m_currentAudioStream = i;
 938                 return 0;
 939         }
 940         return -1;
 941 }
 942
 943 int eServiceMP3::getCurrentChannel()
 944 {
 945         return STEREO;
 946 }
 947
 948 RESULT eServiceMP3::selectChannel(int i)
 949 {
 950         eDebug("eServiceMP3::selectChannel(%i)",i);
 951         return 0;
 952 }
 953
 954 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 955 {
 956         if (i >= m_audioStreams.size())
 957                 return -2;
 958                 info.m_description = m_audioStreams[i].codec;
 959 /*      if (m_audioStreams[i].type == atMPEG)
 960                 info.m_description = "MPEG";
 961         else if (m_audioStreams[i].type == atMP3)
 962                 info.m_description = "MP3";
 963         else if (m_audioStreams[i].type == atAC3)
 964                 info.m_description = "AC3";
 965         else if (m_audioStreams[i].type == atAAC)
 966                 info.m_description = "AAC";
 967         else if (m_audioStreams[i].type == atDTS)
 968                 info.m_description = "DTS";
 969         else if (m_audioStreams[i].type == atPCM)
 970                 info.m_description = "PCM";
 971         else if (m_audioStreams[i].type == atOGG)
 972                 info.m_description = "OGG";
 973         else if (m_audioStreams[i].type == atFLAC)
 974                 info.m_description = "FLAC";
 975         else
 976                 info.m_description = "???";*/
 977         if (info.m_language.empty())
 978                 info.m_language = m_audioStreams[i].language_code;
 979         return 0;
 980 }
 981
 982 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
 983 {
 984         if (!msg)
 985                 return;
 986         gchar *sourceName;
 987         GstObject *source;
 988
 989         source = GST_MESSAGE_SRC(msg);
 990         sourceName = gst_object_get_name(source);
 991 #if 0
 992         if (gst_message_get_structure(msg))
 993         {
 994                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
 995                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
 996                 g_free(string);
 997         }
 998         else
 999                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1000 #endif
1001         switch (GST_MESSAGE_TYPE (msg))
1002         {
1003                 case GST_MESSAGE_EOS:
1004                         m_event((iPlayableService*)this, evEOF);
1005                         break;
1006                 case GST_MESSAGE_STATE_CHANGED:
1007                 {
1008                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1009                         return;
1010
1011                         GstState old_state, new_state;
1012                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1013
1014                         if(old_state == new_state)
1015                                 return;
1016
1017                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1018
1019                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1020
1021                         switch(transition)
1022                         {
1023                                 case GST_STATE_CHANGE_NULL_TO_READY:
1024                                 {
1025                                 }       break;
1026                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1027                                 {
1028                                 }       break;
1029                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1030                                 {
1031                                 }       break;
1032                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1033                                 {
1034                                 }       break;
1035                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1036                                 {
1037                                 }       break;
1038                                 case GST_STATE_CHANGE_READY_TO_NULL:
1039                                 {
1040                                 }       break;
1041                         }
1042                         break;
1043                 }
1044                 case GST_MESSAGE_ERROR:
1045                 {
1046                         gchar *debug;
1047                         GError *err;
1048
1049                         gst_message_parse_error (msg, &err, &debug);
1050                         g_free (debug);
1051                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1052                         if ( err->domain == GST_STREAM_ERROR )
1053                         {
1054                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1055                                 {
1056                                         if ( g_strrstr(sourceName, "videosink") )
1057                                                 m_event((iPlayableService*)this, evUser+11);
1058                                         else if ( g_strrstr(sourceName, "audiosink") )
1059                                                 m_event((iPlayableService*)this, evUser+10);
1060                                 }
1061                         }
1062                         g_error_free(err);
1063                         break;
1064                 }
1065                 case GST_MESSAGE_INFO:
1066                 {
1067                         gchar *debug;
1068                         GError *inf;
1069
1070                         gst_message_parse_info (msg, &inf, &debug);
1071                         g_free (debug);
1072                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1073                         {
1074                                 if ( g_strrstr(sourceName, "videosink") )
1075                                         m_event((iPlayableService*)this, evUser+14);
1076                         }
1077                         g_error_free(inf);
1078                         break;
1079                 }
1080                 case GST_MESSAGE_TAG:
1081                 {
1082                         GstTagList *tags, *result;
1083                         gst_message_parse_tag(msg, &tags);
1084
1085                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1086                         if (result)
1087                         {
1088                                 if (m_stream_tags)
1089                                         gst_tag_list_free(m_stream_tags);
1090                                 m_stream_tags = result;
1091                         }
1092
1093                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1094                         if ( gv_image )
1095                         {
1096                                 GstBuffer *buf_image;
1097                                 buf_image = gst_value_get_buffer (gv_image);
1098                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1099                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1100                                 close(fd);
1101                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1102                                 m_event((iPlayableService*)this, evUser+13);
1103                         }
1104                         gst_tag_list_free(tags);
1105                         m_event((iPlayableService*)this, evUpdatedInfo);
1106                         break;
1107                 }
1108                 case GST_MESSAGE_ASYNC_DONE:
1109                 {
1110                         GstTagList *tags;
1111                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1112
1113                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1114                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1115                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1116
1117                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1118
1119                         active_idx = 0;
1120
1121                         m_audioStreams.clear();
1122                         m_subtitleStreams.clear();
1123
1124                         for (i = 0; i < n_audio; i++)
1125                         {
1126                                 audioStream audio;
1127                                 gchar *g_codec, *g_lang;
1128                                 GstPad* pad = 0;
1129                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1130                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1131                                 if (!caps)
1132                                         continue;
1133                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1134 gchar *g_type;
1135 g_type = gst_structure_get_name(str);
1136 eDebug("AUDIO STRUCT=%s", g_type);
1137                                 audio.type = gstCheckAudioPad(str);
1138                                 g_codec = g_strdup(g_type);
1139                                 g_lang = g_strdup_printf ("und");
1140                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1141                                 if ( tags && gst_is_tag_list(tags) )
1142                                 {
1143                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1144                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1145                                         gst_tag_list_free(tags);
1146                                 }
1147                                 audio.language_code = std::string(g_lang);
1148                                 audio.codec = std::string(g_codec);
1149                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1150                                 m_audioStreams.push_back(audio);
1151                                 g_free (g_lang);
1152                                 g_free (g_codec);
1153                                 gst_caps_unref(caps);
1154                         }
1155
1156                         for (i = 0; i < n_text; i++)
1157                         {
1158                                 gchar *g_lang;
1159 //                              gchar *g_type;
1160 //                              GstPad* pad = 0;
1161 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1162 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1163 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1164 //                              g_type = gst_structure_get_name(str);
1165 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1166                                 subtitleStream subs;
1167                                 subs.type = stPlainText;
1168                                 g_lang = g_strdup_printf ("und");
1169                                 if ( tags && gst_is_tag_list(tags) )
1170                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1171                                 subs.language_code = std::string(g_lang);
1172                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1173                                 m_subtitleStreams.push_back(subs);
1174                                 g_free (g_lang);
1175 //                              g_free (g_type);
1176                         }
1177                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1178                 }
1179                 case GST_MESSAGE_ELEMENT:
1180                 {
1181                         if ( gst_is_missing_plugin_message(msg) )
1182                         {
1183                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1184                                 if ( description )
1185                                 {
1186                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1187                                         g_free(description);
1188                                         m_event((iPlayableService*)this, evUser+12);
1189                                 }
1190                         }
1191                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1192                         {
1193                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1194                                 if ( eventname )
1195                                 {
1196                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1197                                         {
1198                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1199                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1200                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1201                                                 if (strstr(eventname, "Changed"))
1202                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1203                                         }
1204                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1205                                         {
1206                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1207                                                 if (strstr(eventname, "Changed"))
1208                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1209                                         }
1210                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1211                                         {
1212                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1213                                                 if (strstr(eventname, "Changed"))
1214                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1215                                         }
1216                                         g_free(eventname);
1217                                 }
1218                         }
1219                         break;
1220                 }
1221                 case GST_MESSAGE_BUFFERING:
1222                 {
1223                         GstBufferingMode mode;
1224                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1225                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1226                         m_event((iPlayableService*)this, evBuffering);
1227                 }
1228                 default:
1229                         break;
1230         }
1231         g_free (sourceName);
1232 }
1233
1234 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1235 {
1236         eServiceMP3 *_this = (eServiceMP3*)user_data;
1237         _this->m_pump.send(1);
1238                 /* wake */
1239         return GST_BUS_PASS;
1240 }
1241
1242 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1243 {
1244         if (!structure)
1245                 return atUnknown;
1246
1247         if ( gst_structure_has_name (structure, "audio/mpeg"))
1248         {
1249                 gint mpegversion, layer = -1;
1250                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1251                         return atUnknown;
1252
1253                 switch (mpegversion) {
1254                         case 1:
1255                                 {
1256                                         gst_structure_get_int (structure, "layer", &layer);
1257                                         if ( layer == 3 )
1258                                                 return atMP3;
1259                                         else
1260                                                 return atMPEG;
1261                                         break;
1262                                 }
1263                         case 2:
1264                                 return atAAC;
1265                         case 4:
1266                                 return atAAC;
1267                         default:
1268                                 return atUnknown;
1269                 }
1270         }
1271
1272         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1273                 return atAC3;
1274         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1275                 return atDTS;
1276         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1277                 return atPCM;
1278
1279         return atUnknown;
1280 }
1281
1282 void eServiceMP3::gstPoll(const int&)
1283 {
1284                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1285                    us the wakup signal, but likely before it was posted.
1286                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1287
1288                    I need to understand the API a bit more to make this work
1289                    proplerly. */
1290         usleep(1);
1291
1292         GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1293         GstMessage *message;
1294         while ((message = gst_bus_pop (bus)))
1295         {
1296                 gstBusCall(bus, message);
1297                 gst_message_unref (message);
1298         }
1299 }
1300
1301 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1302
1303 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1304 {
1305         eServiceMP3 *_this = (eServiceMP3*)user_data;
1306         GstBuffer *buffer;
1307         g_signal_emit_by_name (appsink, "pull-buffer", &buffer);
1308         if (buffer)
1309         {
1310                 GstFormat fmt = GST_FORMAT_TIME;
1311                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1312                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1313                 size_t len = GST_BUFFER_SIZE(buffer);
1314                 unsigned char line[len+1];
1315                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1316                 line[len] = 0;
1317 //              eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1318                 if ( _this->m_subtitle_widget )
1319                 {
1320                         ePangoSubtitlePage page;
1321                         gRGB rgbcol(0xD0,0xD0,0xD0);
1322                         page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1323                         page.show_pts = buf_pos / 11111L;
1324                         page.m_timeout = duration_ns / 1000000;
1325                         _this->m_subtitle_pages.push_back(page);
1326                         _this->pushSubtitles();
1327                 }
1328         }
1329 }
1330
1331 void eServiceMP3::pushSubtitles()
1332 {
1333         ePangoSubtitlePage page;
1334         GstClockTime base_time;
1335         pts_t running_pts;
1336         GstElement *syncsink;
1337         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &syncsink, NULL);
1338         GstClock *clock;
1339         clock = gst_element_get_clock (syncsink);
1340         while ( !m_subtitle_pages.empty() )
1341         {
1342                 page = m_subtitle_pages.front();
1343
1344                 base_time = gst_element_get_base_time (syncsink);
1345                 running_pts = gst_clock_get_time (clock) / 11111L;
1346                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1347 //              eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1348                 if ( diff_ms > 20 )
1349                 {
1350 //                      eDebug("m_subtitle_sync_timer->start(%lld,1)", diff_ms);
1351                         m_subtitle_sync_timer->start(diff_ms, 1);
1352                         break;
1353                 }
1354                 else
1355                 {
1356                         m_subtitle_widget->setPage(page);
1357                         m_subtitle_pages.pop_front();
1358                 }
1359         }
1360         gst_object_unref (clock);
1361         gst_object_unref (syncsink);
1362 }
1363
1364 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1365 {
1366         ePyObject entry;
1367         int tuplesize = PyTuple_Size(tuple);
1368         int pid, type;
1369         gint text_pid = 0;
1370
1371         if (!PyTuple_Check(tuple))
1372                 goto error_out;
1373         if (tuplesize < 1)
1374                 goto error_out;
1375         entry = PyTuple_GET_ITEM(tuple, 1);
1376         if (!PyInt_Check(entry))
1377                 goto error_out;
1378         pid = PyInt_AsLong(entry);
1379         entry = PyTuple_GET_ITEM(tuple, 2);
1380         if (!PyInt_Check(entry))
1381                 goto error_out;
1382         type = PyInt_AsLong(entry);
1383
1384         g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1385         m_currentSubtitleStream = pid;
1386
1387         m_subtitle_widget = new eSubtitleWidget(parent);
1388         m_subtitle_widget->resize(parent->size()); /* full size */
1389
1390         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1391
1392         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1393         m_subtitle_pages.clear();
1394
1395         return 0;
1396
1397 error_out:
1398         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1399                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1400         return -1;
1401 }
1402
1403 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1404 {
1405         eDebug("eServiceMP3::disableSubtitles");
1406         m_subtitle_pages.clear();
1407         delete m_subtitle_widget;
1408         m_subtitle_widget = 0;
1409         return 0;
1410 }
1411
1412 PyObject *eServiceMP3::getCachedSubtitle()
1413 {
1414 //      eDebug("eServiceMP3::getCachedSubtitle");
1415         Py_RETURN_NONE;
1416 }
1417
1418 PyObject *eServiceMP3::getSubtitleList()
1419 {
1420         eDebug("eServiceMP3::getSubtitleList");
1421
1422         ePyObject l = PyList_New(0);
1423         int stream_count[sizeof(subtype_t)];
1424         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1425                 stream_count[i] = 0;
1426
1427         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1428         {
1429                 subtype_t type = IterSubtitleStream->type;
1430                 ePyObject tuple = PyTuple_New(5);
1431                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1432                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1433                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1434                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1435                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1436                 PyList_Append(l, tuple);
1437                 Py_DECREF(tuple);
1438                 stream_count[type]++;
1439         }
1440         return l;
1441 }
1442
1443 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1444 {
1445         ptr = this;
1446         return 0;
1447 }
1448
1449 PyObject *eServiceMP3::getBufferCharge()
1450 {
1451         ePyObject tuple = PyTuple_New(5);
1452         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1453         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1454         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1455         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1456         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1457         return tuple;
1458 }
1459
1460 int eServiceMP3::setBufferSize(int size)
1461 {
1462         m_buffer_size = size;
1463         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1464         return 0;
1465 }
1466
1467
1468 #else
1469 #warning gstreamer not available, not building media player
1470 #endif