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                 extensions.push_back("m2ts");
  52                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  53         }
  54
  55         m_service_info = new eStaticServiceMP3Info();
  56 }
  57
  58 eServiceFactoryMP3::~eServiceFactoryMP3()
  59 {
  60         ePtr<eServiceCenter> sc;
  61
  62         eServiceCenter::getPrivInstance(sc);
  63         if (sc)
  64                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  65 }
  66
  67 DEFINE_REF(eServiceFactoryMP3)
  68
  69         // iServiceHandler
  70 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  71 {
  72                 // check resources...
  73         ptr = new eServiceMP3(ref);
  74         return 0;
  75 }
  76
  77 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  78 {
  79         ptr=0;
  80         return -1;
  81 }
  82
  83 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  84 {
  85         ptr=0;
  86         return -1;
  87 }
  88
  89 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  90 {
  91         ptr = m_service_info;
  92         return 0;
  93 }
  94
  95 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  96 {
  97         DECLARE_REF(eMP3ServiceOfflineOperations);
  98         eServiceReference m_ref;
  99 public:
 100         eMP3ServiceOfflineOperations(const eServiceReference &ref);
 101
 102         RESULT deleteFromDisk(int simulate);
 103         RESULT getListOfFilenames(std::list<std::string> &);
 104 };
 105
 106 DEFINE_REF(eMP3ServiceOfflineOperations);
 107
 108 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 109 {
 110 }
 111
 112 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 113 {
 114         if (simulate)
 115                 return 0;
 116         else
 117         {
 118                 std::list<std::string> res;
 119                 if (getListOfFilenames(res))
 120                         return -1;
 121
 122                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 123                 if (!eraser)
 124                         eDebug("FATAL !! can't get background file eraser");
 125
 126                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 127                 {
 128                         eDebug("Removing %s...", i->c_str());
 129                         if (eraser)
 130                                 eraser->erase(i->c_str());
 131                         else
 132                                 ::unlink(i->c_str());
 133                 }
 134
 135                 return 0;
 136         }
 137 }
 138
 139 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 140 {
 141         res.clear();
 142         res.push_back(m_ref.path);
 143         return 0;
 144 }
 145
 146
 147 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 148 {
 149         ptr = new eMP3ServiceOfflineOperations(ref);
 150         return 0;
 151 }
 152
 153 // eStaticServiceMP3Info
 154
 155
 156 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 157 // about unopened files.
 158
 159 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 160 // should have a database backend where ID3-files etc. are cached.
 161 // this would allow listing the mp3 database based on certain filters.
 162
 163 DEFINE_REF(eStaticServiceMP3Info)
 164
 165 eStaticServiceMP3Info::eStaticServiceMP3Info()
 166 {
 167 }
 168
 169 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 170 {
 171         if ( ref.name.length() )
 172                 name = ref.name;
 173         else
 174         {
 175                 size_t last = ref.path.rfind('/');
 176                 if (last != std::string::npos)
 177                         name = ref.path.substr(last+1);
 178                 else
 179                         name = ref.path;
 180         }
 181         return 0;
 182 }
 183
 184 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 185 {
 186         return -1;
 187 }
 188
 189 // eServiceMP3
 190
 191 eServiceMP3::eServiceMP3(eServiceReference ref)
 192         :m_ref(ref), m_pump(eApp, 1)
 193 {
 194         m_seekTimeout = eTimer::create(eApp);
 195         m_subtitle_sync_timer = eTimer::create(eApp);
 196         m_stream_tags = 0;
 197         m_currentAudioStream = 0;
 198         m_currentSubtitleStream = 0;
 199         m_subtitle_widget = 0;
 200         m_currentTrickRatio = 0;
 201         m_subs_to_pull = 0;
 202         m_buffer_size = 1*1024*1024;
 203         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 204         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 205         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 206         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 207
 208         m_state = stIdle;
 209         eDebug("eServiceMP3::construct!");
 210
 211         const char *filename = m_ref.path.c_str();
 212         const char *ext = strrchr(filename, '.');
 213         if (!ext)
 214                 ext = filename;
 215
 216         sourceStream sourceinfo;
 217         sourceinfo.is_video = FALSE;
 218         sourceinfo.audiotype = atUnknown;
 219         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 220         {
 221                 sourceinfo.containertype = ctMPEGPS;
 222                 sourceinfo.is_video = TRUE;
 223         }
 224         else if ( strcasecmp(ext, ".ts") == 0 )
 225         {
 226                 sourceinfo.containertype = ctMPEGTS;
 227                 sourceinfo.is_video = TRUE;
 228         }
 229         else if ( strcasecmp(ext, ".mkv") == 0 )
 230         {
 231                 sourceinfo.containertype = ctMKV;
 232                 sourceinfo.is_video = TRUE;
 233         }
 234         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 235         {
 236                 sourceinfo.containertype = ctAVI;
 237                 sourceinfo.is_video = TRUE;
 238         }
 239         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
 240         {
 241                 sourceinfo.containertype = ctMP4;
 242                 sourceinfo.is_video = TRUE;
 243         }
 244         else if ( strcasecmp(ext, ".m4a") == 0 )
 245         {
 246                 sourceinfo.containertype = ctMP4;
 247                 sourceinfo.audiotype = atAAC;
 248         }
 249         else if ( strcasecmp(ext, ".mp3") == 0 )
 250                 sourceinfo.audiotype = atMP3;
 251         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 252                 sourceinfo.containertype = ctCDA;
 253         if ( strcasecmp(ext, ".dat") == 0 )
 254         {
 255                 sourceinfo.containertype = ctVCD;
 256                 sourceinfo.is_video = TRUE;
 257         }
 258         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 )
 259                 sourceinfo.is_streaming = TRUE;
 260
 261         gchar *uri;
 262
 263         if ( sourceinfo.is_streaming )
 264         {
 265                 uri = g_strdup_printf ("%s", filename);
 266         }
 267         else if ( sourceinfo.containertype == ctCDA )
 268         {
 269                 int i_track = atoi(filename+18);
 270                 uri = g_strdup_printf ("cdda://%i", i_track);
 271         }
 272         else if ( sourceinfo.containertype == ctVCD )
 273         {
 274                 int fd = open(filename,O_RDONLY);
 275                 char tmp[128*1024];
 276                 int ret = read(fd, tmp, 128*1024);
 277                 close(fd);
 278                 if ( ret == -1 ) // this is a "REAL" VCD
 279                         uri = g_strdup_printf ("vcd://");
 280                 else
 281                         uri = g_strdup_printf ("file://%s", filename);
 282         }
 283         else
 284
 285                 uri = g_strdup_printf ("file://%s", filename);
 286
 287         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 288
 289         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 290         if (!m_gst_playbin)
 291                 m_error_message = "failed to create GStreamer pipeline!\n";
 292
 293         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 294
 295         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 296         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 297
 298         g_free(uri);
 299
 300         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 301         if (!subsink)
 302                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 303         else
 304         {
 305                 g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 306                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 307         }
 308
 309         if ( m_gst_playbin )
 310         {
 311                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 312                 char srt_filename[strlen(filename)+1];
 313                 strncpy(srt_filename,filename,strlen(filename)-3);
 314                 srt_filename[strlen(filename)-3]='\0';
 315                 strcat(srt_filename, "srt");
 316                 struct stat buffer;
 317                 if (stat(srt_filename, &buffer) == 0)
 318                 {
 319                         std::string suburi = "file://" + (std::string)srt_filename;
 320                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 321                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 322                         subtitleStream subs;
 323                         subs.type = stSRT;
 324                         subs.language_code = std::string("und");
 325                         m_subtitleStreams.push_back(subs);
 326                 }
 327         } else
 328         {
 329                 m_event((iPlayableService*)this, evUser+12);
 330
 331                 if (m_gst_playbin)
 332                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 333
 334                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 335                 m_gst_playbin = 0;
 336         }
 337
 338         gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 339         setBufferSize(m_buffer_size);
 340 }
 341
 342 eServiceMP3::~eServiceMP3()
 343 {
 344         delete m_subtitle_widget;
 345         if (m_state == stRunning)
 346                 stop();
 347
 348         if (m_stream_tags)
 349                 gst_tag_list_free(m_stream_tags);
 350
 351         if (m_gst_playbin)
 352         {
 353                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 354                 eDebug("eServiceMP3::destruct!");
 355         }
 356 }
 357
 358 DEFINE_REF(eServiceMP3);
 359
 360 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 361 {
 362         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 363         return 0;
 364 }
 365
 366 RESULT eServiceMP3::start()
 367 {
 368         ASSERT(m_state == stIdle);
 369
 370         m_state = stRunning;
 371         if (m_gst_playbin)
 372         {
 373                 eDebug("eServiceMP3::starting pipeline");
 374                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 375         }
 376         m_event(this, evStart);
 377         return 0;
 378 }
 379
 380 RESULT eServiceMP3::stop()
 381 {
 382         ASSERT(m_state != stIdle);
 383         if (m_state == stStopped)
 384                 return -1;
 385         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 386         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 387         m_state = stStopped;
 388         return 0;
 389 }
 390
 391 RESULT eServiceMP3::setTarget(int target)
 392 {
 393         return -1;
 394 }
 395
 396 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 397 {
 398         ptr=this;
 399         return 0;
 400 }
 401
 402 RESULT eServiceMP3::setSlowMotion(int ratio)
 403 {
 404         if (!ratio)
 405                 return 0;
 406         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 407         return trickSeek(1/(float)ratio);
 408 }
 409
 410 RESULT eServiceMP3::setFastForward(int ratio)
 411 {
 412         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 413         return trickSeek(ratio);
 414 }
 415
 416 void eServiceMP3::seekTimeoutCB()
 417 {
 418         pts_t ppos, len;
 419         getPlayPosition(ppos);
 420         getLength(len);
 421         ppos += 90000*m_currentTrickRatio;
 422
 423         if (ppos < 0)
 424         {
 425                 ppos = 0;
 426                 m_seekTimeout->stop();
 427         }
 428         if (ppos > len)
 429         {
 430                 ppos = 0;
 431                 stop();
 432                 m_seekTimeout->stop();
 433                 return;
 434         }
 435         seekTo(ppos);
 436 }
 437
 438                 // iPausableService
 439 RESULT eServiceMP3::pause()
 440 {
 441         if (!m_gst_playbin || m_state != stRunning)
 442                 return -1;
 443         GstStateChangeReturn res = gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 444         if (res == GST_STATE_CHANGE_ASYNC)
 445         {
 446                 pts_t ppos;
 447                 getPlayPosition(ppos);
 448                 seekTo(ppos);
 449         }
 450         return 0;
 451 }
 452
 453 RESULT eServiceMP3::unpause()
 454 {
 455         m_subtitle_pages.clear();
 456         if (!m_gst_playbin || m_state != stRunning)
 457                 return -1;
 458
 459         GstStateChangeReturn res;
 460         res = gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 461         return 0;
 462 }
 463
 464         /* iSeekableService */
 465 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 466 {
 467         ptr = this;
 468         return 0;
 469 }
 470
 471 RESULT eServiceMP3::getLength(pts_t &pts)
 472 {
 473         if (!m_gst_playbin)
 474                 return -1;
 475         if (m_state != stRunning)
 476                 return -1;
 477
 478         GstFormat fmt = GST_FORMAT_TIME;
 479         gint64 len;
 480
 481         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 482                 return -1;
 483                 /* len is in nanoseconds. we have 90 000 pts per second. */
 484
 485         pts = len / 11111;
 486         return 0;
 487 }
 488
 489 RESULT eServiceMP3::seekTo(pts_t to)
 490 {
 491         if (!m_gst_playbin)
 492                 return -1;
 493
 494                 /* convert pts to nanoseconds */
 495         gint64 time_nanoseconds = to * 11111LL;
 496         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 497                 GST_SEEK_TYPE_SET, time_nanoseconds,
 498                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 499         {
 500                 eDebug("eServiceMP3::seekTo failed");
 501                 return -1;
 502         }
 503
 504         m_subtitle_pages.clear();
 505         eSingleLocker l(m_subs_to_pull_lock);
 506         m_subs_to_pull = 0;
 507
 508         return 0;
 509 }
 510
 511 RESULT eServiceMP3::trickSeek(gdouble ratio)
 512 {
 513         if (!m_gst_playbin)
 514                 return -1;
 515         if (!ratio)
 516                 return seekRelative(0, 0);
 517
 518         GstEvent *s_event;
 519         GstSeekFlags flags;
 520         flags = GST_SEEK_FLAG_NONE;
 521         flags |= GstSeekFlags (GST_SEEK_FLAG_FLUSH);
 522 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 523         flags |= GstSeekFlags (GST_SEEK_FLAG_KEY_UNIT);
 524 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 525 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 526
 527         GstFormat fmt = GST_FORMAT_TIME;
 528         gint64 pos, len;
 529         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 530         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 531
 532         if ( ratio >= 0 )
 533         {
 534                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 535
 536                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 537         }
 538         else
 539         {
 540                 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);
 541         }
 542
 543         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 544         {
 545                 eDebug("eServiceMP3::trickSeek failed");
 546                 return -1;
 547         }
 548
 549         return 0;
 550 }
 551
 552
 553 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 554 {
 555         if (!m_gst_playbin)
 556                 return -1;
 557
 558         pts_t ppos;
 559         getPlayPosition(ppos);
 560         ppos += to * direction;
 561         if (ppos < 0)
 562                 ppos = 0;
 563         seekTo(ppos);
 564
 565         return 0;
 566 }
 567
 568 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 569 {
 570         GstFormat fmt = GST_FORMAT_TIME;
 571         gint64 pos;
 572         GstElement *sink;
 573         pts = 0;
 574
 575         if (!m_gst_playbin)
 576                 return -1;
 577         if (m_state != stRunning)
 578                 return -1;
 579
 580         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 581
 582         if (!sink)
 583                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 584
 585         if (!sink)
 586                 return -1;
 587
 588         gchar *name = gst_element_get_name(sink);
 589         gboolean use_get_decoder_time = strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink");
 590         g_free(name);
 591
 592         if (use_get_decoder_time)
 593                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 594
 595         gst_object_unref(sink);
 596
 597         if (!use_get_decoder_time && !gst_element_query_position(m_gst_playbin, &fmt, &pos)) {
 598                 eDebug("gst_element_query_position failed in getPlayPosition");
 599                 return -1;
 600         }
 601
 602         /* pos is in nanoseconds. we have 90 000 pts per second. */
 603         pts = pos / 11111;
 604         return 0;
 605 }
 606
 607 RESULT eServiceMP3::setTrickmode(int trick)
 608 {
 609                 /* trickmode is not yet supported by our dvbmediasinks. */
 610         return -1;
 611 }
 612
 613 RESULT eServiceMP3::isCurrentlySeekable()
 614 {
 615         return 1;
 616 }
 617
 618 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 619 {
 620         i = this;
 621         return 0;
 622 }
 623
 624 RESULT eServiceMP3::getName(std::string &name)
 625 {
 626         std::string title = m_ref.getName();
 627         if (title.empty())
 628         {
 629                 name = m_ref.path;
 630                 size_t n = name.rfind('/');
 631                 if (n != std::string::npos)
 632                         name = name.substr(n + 1);
 633         }
 634         else
 635                 name = title;
 636         return 0;
 637 }
 638
 639
 640 int eServiceMP3::getInfo(int w)
 641 {
 642         const gchar *tag = 0;
 643
 644         switch (w)
 645         {
 646         case sServiceref: return m_ref;
 647         case sVideoHeight: return m_height;
 648         case sVideoWidth: return m_width;
 649         case sFrameRate: return m_framerate;
 650         case sProgressive: return m_progressive;
 651         case sAspect: return m_aspect;
 652         case sTagTitle:
 653         case sTagArtist:
 654         case sTagAlbum:
 655         case sTagTitleSortname:
 656         case sTagArtistSortname:
 657         case sTagAlbumSortname:
 658         case sTagDate:
 659         case sTagComposer:
 660         case sTagGenre:
 661         case sTagComment:
 662         case sTagExtendedComment:
 663         case sTagLocation:
 664         case sTagHomepage:
 665         case sTagDescription:
 666         case sTagVersion:
 667         case sTagISRC:
 668         case sTagOrganization:
 669         case sTagCopyright:
 670         case sTagCopyrightURI:
 671         case sTagContact:
 672         case sTagLicense:
 673         case sTagLicenseURI:
 674         case sTagCodec:
 675         case sTagAudioCodec:
 676         case sTagVideoCodec:
 677         case sTagEncoder:
 678         case sTagLanguageCode:
 679         case sTagKeywords:
 680         case sTagChannelMode:
 681         case sUser+12:
 682                 return resIsString;
 683         case sTagTrackGain:
 684         case sTagTrackPeak:
 685         case sTagAlbumGain:
 686         case sTagAlbumPeak:
 687         case sTagReferenceLevel:
 688         case sTagBeatsPerMinute:
 689         case sTagImage:
 690         case sTagPreviewImage:
 691         case sTagAttachment:
 692                 return resIsPyObject;
 693         case sTagTrackNumber:
 694                 tag = GST_TAG_TRACK_NUMBER;
 695                 break;
 696         case sTagTrackCount:
 697                 tag = GST_TAG_TRACK_COUNT;
 698                 break;
 699         case sTagAlbumVolumeNumber:
 700                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 701                 break;
 702         case sTagAlbumVolumeCount:
 703                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 704                 break;
 705         case sTagBitrate:
 706                 tag = GST_TAG_BITRATE;
 707                 break;
 708         case sTagNominalBitrate:
 709                 tag = GST_TAG_NOMINAL_BITRATE;
 710                 break;
 711         case sTagMinimumBitrate:
 712                 tag = GST_TAG_MINIMUM_BITRATE;
 713                 break;
 714         case sTagMaximumBitrate:
 715                 tag = GST_TAG_MAXIMUM_BITRATE;
 716                 break;
 717         case sTagSerial:
 718                 tag = GST_TAG_SERIAL;
 719                 break;
 720         case sTagEncoderVersion:
 721                 tag = GST_TAG_ENCODER_VERSION;
 722                 break;
 723         case sTagCRC:
 724                 tag = "has-crc";
 725                 break;
 726         default:
 727                 return resNA;
 728         }
 729
 730         if (!m_stream_tags || !tag)
 731                 return 0;
 732
 733         guint value;
 734         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 735                 return (int) value;
 736
 737         return 0;
 738 }
 739
 740 std::string eServiceMP3::getInfoString(int w)
 741 {
 742         if ( !m_stream_tags && w < sUser && w > 26 )
 743                 return "";
 744         const gchar *tag = 0;
 745         switch (w)
 746         {
 747         case sTagTitle:
 748                 tag = GST_TAG_TITLE;
 749                 break;
 750         case sTagArtist:
 751                 tag = GST_TAG_ARTIST;
 752                 break;
 753         case sTagAlbum:
 754                 tag = GST_TAG_ALBUM;
 755                 break;
 756         case sTagTitleSortname:
 757                 tag = GST_TAG_TITLE_SORTNAME;
 758                 break;
 759         case sTagArtistSortname:
 760                 tag = GST_TAG_ARTIST_SORTNAME;
 761                 break;
 762         case sTagAlbumSortname:
 763                 tag = GST_TAG_ALBUM_SORTNAME;
 764                 break;
 765         case sTagDate:
 766                 GDate *date;
 767                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 768                 {
 769                         gchar res[5];
 770                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 771                         return (std::string)res;
 772                 }
 773                 break;
 774         case sTagComposer:
 775                 tag = GST_TAG_COMPOSER;
 776                 break;
 777         case sTagGenre:
 778                 tag = GST_TAG_GENRE;
 779                 break;
 780         case sTagComment:
 781                 tag = GST_TAG_COMMENT;
 782                 break;
 783         case sTagExtendedComment:
 784                 tag = GST_TAG_EXTENDED_COMMENT;
 785                 break;
 786         case sTagLocation:
 787                 tag = GST_TAG_LOCATION;
 788                 break;
 789         case sTagHomepage:
 790                 tag = GST_TAG_HOMEPAGE;
 791                 break;
 792         case sTagDescription:
 793                 tag = GST_TAG_DESCRIPTION;
 794                 break;
 795         case sTagVersion:
 796                 tag = GST_TAG_VERSION;
 797                 break;
 798         case sTagISRC:
 799                 tag = GST_TAG_ISRC;
 800                 break;
 801         case sTagOrganization:
 802                 tag = GST_TAG_ORGANIZATION;
 803                 break;
 804         case sTagCopyright:
 805                 tag = GST_TAG_COPYRIGHT;
 806                 break;
 807         case sTagCopyrightURI:
 808                 tag = GST_TAG_COPYRIGHT_URI;
 809                 break;
 810         case sTagContact:
 811                 tag = GST_TAG_CONTACT;
 812                 break;
 813         case sTagLicense:
 814                 tag = GST_TAG_LICENSE;
 815                 break;
 816         case sTagLicenseURI:
 817                 tag = GST_TAG_LICENSE_URI;
 818                 break;
 819         case sTagCodec:
 820                 tag = GST_TAG_CODEC;
 821                 break;
 822         case sTagAudioCodec:
 823                 tag = GST_TAG_AUDIO_CODEC;
 824                 break;
 825         case sTagVideoCodec:
 826                 tag = GST_TAG_VIDEO_CODEC;
 827                 break;
 828         case sTagEncoder:
 829                 tag = GST_TAG_ENCODER;
 830                 break;
 831         case sTagLanguageCode:
 832                 tag = GST_TAG_LANGUAGE_CODE;
 833                 break;
 834         case sTagKeywords:
 835                 tag = GST_TAG_KEYWORDS;
 836                 break;
 837         case sTagChannelMode:
 838                 tag = "channel-mode";
 839                 break;
 840         case sUser+12:
 841                 return m_error_message;
 842         default:
 843                 return "";
 844         }
 845         if ( !tag )
 846                 return "";
 847         gchar *value;
 848         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 849         {
 850                 std::string res = value;
 851                 g_free(value);
 852                 return res;
 853         }
 854         return "";
 855 }
 856
 857 PyObject *eServiceMP3::getInfoObject(int w)
 858 {
 859         const gchar *tag = 0;
 860         bool isBuffer = false;
 861         switch (w)
 862         {
 863                 case sTagTrackGain:
 864                         tag = GST_TAG_TRACK_GAIN;
 865                         break;
 866                 case sTagTrackPeak:
 867                         tag = GST_TAG_TRACK_PEAK;
 868                         break;
 869                 case sTagAlbumGain:
 870                         tag = GST_TAG_ALBUM_GAIN;
 871                         break;
 872                 case sTagAlbumPeak:
 873                         tag = GST_TAG_ALBUM_PEAK;
 874                         break;
 875                 case sTagReferenceLevel:
 876                         tag = GST_TAG_REFERENCE_LEVEL;
 877                         break;
 878                 case sTagBeatsPerMinute:
 879                         tag = GST_TAG_BEATS_PER_MINUTE;
 880                         break;
 881                 case sTagImage:
 882                         tag = GST_TAG_IMAGE;
 883                         isBuffer = true;
 884                         break;
 885                 case sTagPreviewImage:
 886                         tag = GST_TAG_PREVIEW_IMAGE;
 887                         isBuffer = true;
 888                         break;
 889                 case sTagAttachment:
 890                         tag = GST_TAG_ATTACHMENT;
 891                         isBuffer = true;
 892                         break;
 893                 default:
 894                         break;
 895         }
 896         gdouble value;
 897         if ( !tag || !m_stream_tags )
 898                 value = 0.0;
 899         PyObject *pyValue;
 900         if ( isBuffer )
 901         {
 902                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 903                 if ( gv_buffer )
 904                 {
 905                         GstBuffer *buffer;
 906                         buffer = gst_value_get_buffer (gv_buffer);
 907                         pyValue = PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 908                 }
 909         }
 910         else
 911         {
 912                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 913                 pyValue = PyFloat_FromDouble(value);
 914         }
 915
 916         return pyValue;
 917 }
 918
 919 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 920 {
 921         ptr = this;
 922         return 0;
 923 }
 924
 925 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 926 {
 927         ptr = this;
 928         return 0;
 929 }
 930
 931 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 932 {
 933         ptr = this;
 934         return 0;
 935 }
 936
 937 int eServiceMP3::getNumberOfTracks()
 938 {
 939         return m_audioStreams.size();
 940 }
 941
 942 int eServiceMP3::getCurrentTrack()
 943 {
 944         return m_currentAudioStream;
 945 }
 946
 947 RESULT eServiceMP3::selectTrack(unsigned int i)
 948 {
 949         int ret = selectAudioStream(i);
 950         /* flush */
 951         pts_t ppos;
 952         getPlayPosition(ppos);
 953         seekTo(ppos);
 954
 955         return ret;
 956 }
 957
 958 int eServiceMP3::selectAudioStream(int i)
 959 {
 960         int current_audio;
 961         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 962         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 963         if ( current_audio == i )
 964         {
 965                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 966                 m_currentAudioStream = i;
 967                 return 0;
 968         }
 969         return -1;
 970 }
 971
 972 int eServiceMP3::getCurrentChannel()
 973 {
 974         return STEREO;
 975 }
 976
 977 RESULT eServiceMP3::selectChannel(int i)
 978 {
 979         eDebug("eServiceMP3::selectChannel(%i)",i);
 980         return 0;
 981 }
 982
 983 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 984 {
 985         if (i >= m_audioStreams.size())
 986                 return -2;
 987                 info.m_description = m_audioStreams[i].codec;
 988 /*      if (m_audioStreams[i].type == atMPEG)
 989                 info.m_description = "MPEG";
 990         else if (m_audioStreams[i].type == atMP3)
 991                 info.m_description = "MP3";
 992         else if (m_audioStreams[i].type == atAC3)
 993                 info.m_description = "AC3";
 994         else if (m_audioStreams[i].type == atAAC)
 995                 info.m_description = "AAC";
 996         else if (m_audioStreams[i].type == atDTS)
 997                 info.m_description = "DTS";
 998         else if (m_audioStreams[i].type == atPCM)
 999                 info.m_description = "PCM";
1000         else if (m_audioStreams[i].type == atOGG)
1001                 info.m_description = "OGG";
1002         else if (m_audioStreams[i].type == atFLAC)
1003                 info.m_description = "FLAC";
1004         else
1005                 info.m_description = "???";*/
1006         if (info.m_language.empty())
1007                 info.m_language = m_audioStreams[i].language_code;
1008         return 0;
1009 }
1010
1011 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1012 {
1013         if (!msg)
1014                 return;
1015         gchar *sourceName;
1016         GstObject *source;
1017
1018         source = GST_MESSAGE_SRC(msg);
1019         sourceName = gst_object_get_name(source);
1020 #if 0
1021         if (gst_message_get_structure(msg))
1022         {
1023                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1024                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1025                 g_free(string);
1026         }
1027         else
1028                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1029 #endif
1030         switch (GST_MESSAGE_TYPE (msg))
1031         {
1032                 case GST_MESSAGE_EOS:
1033                         m_event((iPlayableService*)this, evEOF);
1034                         break;
1035                 case GST_MESSAGE_STATE_CHANGED:
1036                 {
1037                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1038                                 break;
1039
1040                         GstState old_state, new_state;
1041                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1042
1043                         if(old_state == new_state)
1044                                 break;
1045
1046                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1047
1048                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1049
1050                         switch(transition)
1051                         {
1052                                 case GST_STATE_CHANGE_NULL_TO_READY:
1053                                 {
1054                                 }       break;
1055                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1056                                 {
1057                                         GstElement *sink;
1058                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1059                                         if (sink)
1060                                         {
1061                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1062                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1063                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1064                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1065                                                 gst_object_unref(sink);
1066                                         }
1067                                 }       break;
1068                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1069                                 {
1070                                 }       break;
1071                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1072                                 {
1073                                 }       break;
1074                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1075                                 {
1076                                 }       break;
1077                                 case GST_STATE_CHANGE_READY_TO_NULL:
1078                                 {
1079                                 }       break;
1080                         }
1081                         break;
1082                 }
1083                 case GST_MESSAGE_ERROR:
1084                 {
1085                         gchar *debug;
1086                         GError *err;
1087                         gst_message_parse_error (msg, &err, &debug);
1088                         g_free (debug);
1089                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1090                         if ( err->domain == GST_STREAM_ERROR )
1091                         {
1092                                 eDebug("err->code %d", err->code);
1093                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1094                                 {
1095                                         if ( g_strrstr(sourceName, "videosink") )
1096                                                 m_event((iPlayableService*)this, evUser+11);
1097                                         else if ( g_strrstr(sourceName, "audiosink") )
1098                                                 m_event((iPlayableService*)this, evUser+10);
1099                                 }
1100                         }
1101                         g_error_free(err);
1102                         break;
1103                 }
1104                 case GST_MESSAGE_INFO:
1105                 {
1106                         gchar *debug;
1107                         GError *inf;
1108
1109                         gst_message_parse_info (msg, &inf, &debug);
1110                         g_free (debug);
1111                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1112                         {
1113                                 if ( g_strrstr(sourceName, "videosink") )
1114                                         m_event((iPlayableService*)this, evUser+14);
1115                         }
1116                         g_error_free(inf);
1117                         break;
1118                 }
1119                 case GST_MESSAGE_TAG:
1120                 {
1121                         GstTagList *tags, *result;
1122                         gst_message_parse_tag(msg, &tags);
1123
1124                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1125                         if (result)
1126                         {
1127                                 if (m_stream_tags)
1128                                         gst_tag_list_free(m_stream_tags);
1129                                 m_stream_tags = result;
1130                         }
1131
1132                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1133                         if ( gv_image )
1134                         {
1135                                 GstBuffer *buf_image;
1136                                 buf_image = gst_value_get_buffer (gv_image);
1137                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1138                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1139                                 close(fd);
1140                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1141                                 m_event((iPlayableService*)this, evUser+13);
1142                         }
1143                         gst_tag_list_free(tags);
1144                         m_event((iPlayableService*)this, evUpdatedInfo);
1145                         break;
1146                 }
1147                 case GST_MESSAGE_ASYNC_DONE:
1148                 {
1149                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1150                                 break;
1151
1152                         GstTagList *tags;
1153                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1154
1155                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1156                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1157                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1158
1159                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1160
1161                         active_idx = 0;
1162
1163                         m_audioStreams.clear();
1164                         m_subtitleStreams.clear();
1165
1166                         for (i = 0; i < n_audio; i++)
1167                         {
1168                                 audioStream audio;
1169                                 gchar *g_codec, *g_lang;
1170                                 GstPad* pad = 0;
1171                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1172                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1173                                 if (!caps)
1174                                         continue;
1175                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1176                                 gchar *g_type;
1177                                 g_type = gst_structure_get_name(str);
1178                                 eDebug("AUDIO STRUCT=%s", g_type);
1179                                 audio.type = gstCheckAudioPad(str);
1180                                 g_codec = g_strdup(g_type);
1181                                 g_lang = g_strdup_printf ("und");
1182                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1183                                 if ( tags && gst_is_tag_list(tags) )
1184                                 {
1185                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1186                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1187                                         gst_tag_list_free(tags);
1188                                 }
1189                                 audio.language_code = std::string(g_lang);
1190                                 audio.codec = std::string(g_codec);
1191                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1192                                 m_audioStreams.push_back(audio);
1193                                 g_free (g_lang);
1194                                 g_free (g_codec);
1195                                 gst_caps_unref(caps);
1196                         }
1197
1198                         for (i = 0; i < n_text; i++)
1199                         {
1200                                 gchar *g_lang;
1201 //                              gchar *g_type;
1202 //                              GstPad* pad = 0;
1203 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1204 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1205 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1206 //                              g_type = gst_structure_get_name(str);
1207 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1208                                 subtitleStream subs;
1209                                 subs.type = stPlainText;
1210                                 g_lang = g_strdup_printf ("und");
1211                                 if ( tags && gst_is_tag_list(tags) )
1212                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1213                                 subs.language_code = std::string(g_lang);
1214                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1215                                 m_subtitleStreams.push_back(subs);
1216                                 g_free (g_lang);
1217 //                              g_free (g_type);
1218                         }
1219                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1220                 }
1221                 case GST_MESSAGE_ELEMENT:
1222                 {
1223                         if ( gst_is_missing_plugin_message(msg) )
1224                         {
1225                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1226                                 if ( description )
1227                                 {
1228                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1229                                         g_free(description);
1230                                         m_event((iPlayableService*)this, evUser+12);
1231                                 }
1232                         }
1233                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1234                         {
1235                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1236                                 if ( eventname )
1237                                 {
1238                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1239                                         {
1240                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1241                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1242                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1243                                                 if (strstr(eventname, "Changed"))
1244                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1245                                         }
1246                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1247                                         {
1248                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1249                                                 if (strstr(eventname, "Changed"))
1250                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1251                                         }
1252                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1253                                         {
1254                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1255                                                 if (strstr(eventname, "Changed"))
1256                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1257                                         }
1258                                 }
1259                         }
1260                         break;
1261                 }
1262                 case GST_MESSAGE_BUFFERING:
1263                 {
1264                         GstBufferingMode mode;
1265                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1266                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1267                         m_event((iPlayableService*)this, evBuffering);
1268                 }
1269                 default:
1270                         break;
1271         }
1272         g_free (sourceName);
1273 }
1274
1275 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1276 {
1277         eServiceMP3 *_this = (eServiceMP3*)user_data;
1278         _this->m_pump.send(1);
1279                 /* wake */
1280         return GST_BUS_PASS;
1281 }
1282
1283 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1284 {
1285         if (!structure)
1286                 return atUnknown;
1287
1288         if ( gst_structure_has_name (structure, "audio/mpeg"))
1289         {
1290                 gint mpegversion, layer = -1;
1291                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1292                         return atUnknown;
1293
1294                 switch (mpegversion) {
1295                         case 1:
1296                                 {
1297                                         gst_structure_get_int (structure, "layer", &layer);
1298                                         if ( layer == 3 )
1299                                                 return atMP3;
1300                                         else
1301                                                 return atMPEG;
1302                                         break;
1303                                 }
1304                         case 2:
1305                                 return atAAC;
1306                         case 4:
1307                                 return atAAC;
1308                         default:
1309                                 return atUnknown;
1310                 }
1311         }
1312
1313         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1314                 return atAC3;
1315         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1316                 return atDTS;
1317         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1318                 return atPCM;
1319
1320         return atUnknown;
1321 }
1322
1323 void eServiceMP3::gstPoll(const int &msg)
1324 {
1325                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1326                    us the wakup signal, but likely before it was posted.
1327                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1328
1329                    I need to understand the API a bit more to make this work
1330                    proplerly. */
1331         if (msg == 1)
1332         {
1333                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1334                 GstMessage *message;
1335                 usleep(1);
1336                 while ((message = gst_bus_pop (bus)))
1337                 {
1338                         gstBusCall(bus, message);
1339                         gst_message_unref (message);
1340                 }
1341         }
1342         else
1343                 pullSubtitle();
1344 }
1345
1346 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1347
1348 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1349 {
1350         eServiceMP3 *_this = (eServiceMP3*)user_data;
1351         eSingleLocker l(_this->m_subs_to_pull_lock);
1352         ++_this->m_subs_to_pull;
1353         _this->m_pump.send(2);
1354 }
1355
1356 void eServiceMP3::pullSubtitle()
1357 {
1358         GstElement *sink;
1359         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1360         if (sink)
1361         {
1362                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1363                 {
1364                         GstBuffer *buffer;
1365                         {
1366                                 eSingleLocker l(m_subs_to_pull_lock);
1367                                 --m_subs_to_pull;
1368                         }
1369                         g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1370                         if (buffer)
1371                         {
1372                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1373                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1374                                 size_t len = GST_BUFFER_SIZE(buffer);
1375                                 unsigned char line[len+1];
1376                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1377                                 line[len] = 0;
1378                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1379                                 ePangoSubtitlePage page;
1380                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1381                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1382                                 page.show_pts = buf_pos / 11111L;
1383                                 page.m_timeout = duration_ns / 1000000;
1384                                 m_subtitle_pages.push_back(page);
1385                                 pushSubtitles();
1386                                 gst_buffer_unref(buffer);
1387                         }
1388                 }
1389                 gst_object_unref(sink);
1390         }
1391         else
1392                 eDebug("no subtitle sink!");
1393 }
1394
1395 void eServiceMP3::pushSubtitles()
1396 {
1397         ePangoSubtitlePage page;
1398         pts_t running_pts;
1399         while ( !m_subtitle_pages.empty() )
1400         {
1401                 getPlayPosition(running_pts);
1402                 page = m_subtitle_pages.front();
1403                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1404                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1405                 if (diff_ms < -100)
1406                 {
1407                         GstFormat fmt = GST_FORMAT_TIME;
1408                         gint64 now;
1409                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1410                         {
1411                                 now /= 11111;
1412                                 diff_ms = abs((now - running_pts) / 90);
1413                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1414                                 if (diff_ms > 100000)
1415                                 {
1416                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1417                                         m_subtitle_sync_timer->start(1000, true);
1418                                         break;
1419                                 }
1420                         }
1421                         else
1422                                 eDebug("query position for decoder/pipeline check failed!");
1423                         eDebug("subtitle to late... drop");
1424                         m_subtitle_pages.pop_front();
1425                 }
1426                 else if ( diff_ms > 20 )
1427                 {
1428 //                      eDebug("start recheck timer");
1429                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1430                         break;
1431                 }
1432                 else // immediate show
1433                 {
1434                         if (m_subtitle_widget)
1435                                 m_subtitle_widget->setPage(page);
1436                         m_subtitle_pages.pop_front();
1437                 }
1438         }
1439         if (m_subtitle_pages.empty())
1440                 pullSubtitle();
1441 }
1442
1443 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1444 {
1445         ePyObject entry;
1446         int tuplesize = PyTuple_Size(tuple);
1447         int pid, type;
1448         gint text_pid = 0;
1449
1450         if (!PyTuple_Check(tuple))
1451                 goto error_out;
1452         if (tuplesize < 1)
1453                 goto error_out;
1454         entry = PyTuple_GET_ITEM(tuple, 1);
1455         if (!PyInt_Check(entry))
1456                 goto error_out;
1457         pid = PyInt_AsLong(entry);
1458         entry = PyTuple_GET_ITEM(tuple, 2);
1459         if (!PyInt_Check(entry))
1460                 goto error_out;
1461         type = PyInt_AsLong(entry);
1462
1463         if (m_currentSubtitleStream != pid)
1464         {
1465                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1466                 m_currentSubtitleStream = pid;
1467                 eSingleLocker l(m_subs_to_pull_lock);
1468                 m_subs_to_pull = 0;
1469                 m_subtitle_pages.clear();
1470         }
1471
1472         m_subtitle_widget = 0;
1473         m_subtitle_widget = new eSubtitleWidget(parent);
1474         m_subtitle_widget->resize(parent->size()); /* full size */
1475
1476         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1477
1478         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1479
1480
1481         return 0;
1482
1483 error_out:
1484         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1485                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1486         return -1;
1487 }
1488
1489 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1490 {
1491         eDebug("eServiceMP3::disableSubtitles");
1492         m_subtitle_pages.clear();
1493         delete m_subtitle_widget;
1494         m_subtitle_widget = 0;
1495         return 0;
1496 }
1497
1498 PyObject *eServiceMP3::getCachedSubtitle()
1499 {
1500 //      eDebug("eServiceMP3::getCachedSubtitle");
1501         Py_RETURN_NONE;
1502 }
1503
1504 PyObject *eServiceMP3::getSubtitleList()
1505 {
1506         eDebug("eServiceMP3::getSubtitleList");
1507
1508         ePyObject l = PyList_New(0);
1509         int stream_count[sizeof(subtype_t)];
1510         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1511                 stream_count[i] = 0;
1512
1513         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1514         {
1515                 subtype_t type = IterSubtitleStream->type;
1516                 ePyObject tuple = PyTuple_New(5);
1517                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1518                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1519                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1520                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1521                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1522                 PyList_Append(l, tuple);
1523                 Py_DECREF(tuple);
1524                 stream_count[type]++;
1525         }
1526         return l;
1527 }
1528
1529 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1530 {
1531         ptr = this;
1532         return 0;
1533 }
1534
1535 PyObject *eServiceMP3::getBufferCharge()
1536 {
1537         ePyObject tuple = PyTuple_New(5);
1538         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1539         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1540         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1541         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1542         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1543         return tuple;
1544 }
1545
1546 int eServiceMP3::setBufferSize(int size)
1547 {
1548         m_buffer_size = size;
1549         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1550         return 0;
1551 }
1552
1553
1554 #else
1555 #warning gstreamer not available, not building media player
1556 #endif