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 // eServiceFactoryMP3
  21
  22 eServiceFactoryMP3::eServiceFactoryMP3()
  23 {
  24         ePtr<eServiceCenter> sc;
  25
  26         eServiceCenter::getPrivInstance(sc);
  27         if (sc)
  28         {
  29                 std::list<std::string> extensions;
  30                 extensions.push_back("mp2");
  31                 extensions.push_back("mp3");
  32                 extensions.push_back("ogg");
  33                 extensions.push_back("mpg");
  34                 extensions.push_back("vob");
  35                 extensions.push_back("wav");
  36                 extensions.push_back("wave");
  37                 extensions.push_back("m4v");
  38                 extensions.push_back("mkv");
  39                 extensions.push_back("avi");
  40                 extensions.push_back("divx");
  41                 extensions.push_back("dat");
  42                 extensions.push_back("flac");
  43                 extensions.push_back("mp4");
  44                 extensions.push_back("mov");
  45                 extensions.push_back("m4a");
  46                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  47         }
  48
  49         m_service_info = new eStaticServiceMP3Info();
  50 }
  51
  52 eServiceFactoryMP3::~eServiceFactoryMP3()
  53 {
  54         ePtr<eServiceCenter> sc;
  55
  56         eServiceCenter::getPrivInstance(sc);
  57         if (sc)
  58                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  59 }
  60
  61 DEFINE_REF(eServiceFactoryMP3)
  62
  63         // iServiceHandler
  64 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  65 {
  66                 // check resources...
  67         ptr = new eServiceMP3(ref);
  68         return 0;
  69 }
  70
  71 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  72 {
  73         ptr=0;
  74         return -1;
  75 }
  76
  77 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  78 {
  79         ptr=0;
  80         return -1;
  81 }
  82
  83 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  84 {
  85         ptr = m_service_info;
  86         return 0;
  87 }
  88
  89 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  90 {
  91         DECLARE_REF(eMP3ServiceOfflineOperations);
  92         eServiceReference m_ref;
  93 public:
  94         eMP3ServiceOfflineOperations(const eServiceReference &ref);
  95
  96         RESULT deleteFromDisk(int simulate);
  97         RESULT getListOfFilenames(std::list<std::string> &);
  98         RESULT reindex();
  99 };
 100
 101 DEFINE_REF(eMP3ServiceOfflineOperations);
 102
 103 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 104 {
 105 }
 106
 107 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 108 {
 109         if (simulate)
 110                 return 0;
 111         else
 112         {
 113                 std::list<std::string> res;
 114                 if (getListOfFilenames(res))
 115                         return -1;
 116
 117                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 118                 if (!eraser)
 119                         eDebug("FATAL !! can't get background file eraser");
 120
 121                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 122                 {
 123                         eDebug("Removing %s...", i->c_str());
 124                         if (eraser)
 125                                 eraser->erase(i->c_str());
 126                         else
 127                                 ::unlink(i->c_str());
 128                 }
 129
 130                 return 0;
 131         }
 132 }
 133
 134 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 135 {
 136         res.clear();
 137         res.push_back(m_ref.path);
 138         return 0;
 139 }
 140
 141 RESULT eMP3ServiceOfflineOperations::reindex()
 142 {
 143         return -1;
 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 = -1;
 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 || strcasecmp(ext, ".m4v") == 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                 m_subs_to_pull_handler_id = 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         setBufferSize(m_buffer_size);
 339 }
 340
 341 eServiceMP3::~eServiceMP3()
 342 {
 343         // disconnect subtitle callback
 344         GstElement *sink;
 345         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
 346         if (sink)
 347         {
 348                 g_signal_handler_disconnect (sink, m_subs_to_pull_handler_id);
 349                 gst_object_unref(sink);
 350         }
 351
 352         delete m_subtitle_widget;
 353
 354         // disconnect sync handler callback
 355         gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), NULL, NULL);
 356
 357         if (m_state == stRunning)
 358                 stop();
 359
 360         if (m_stream_tags)
 361                 gst_tag_list_free(m_stream_tags);
 362
 363         if (m_gst_playbin)
 364         {
 365                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 366                 eDebug("eServiceMP3::destruct!");
 367         }
 368 }
 369
 370 DEFINE_REF(eServiceMP3);
 371
 372 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 373 {
 374         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 375         return 0;
 376 }
 377
 378 RESULT eServiceMP3::start()
 379 {
 380         ASSERT(m_state == stIdle);
 381
 382         m_state = stRunning;
 383         if (m_gst_playbin)
 384         {
 385                 eDebug("eServiceMP3::starting pipeline");
 386                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 387         }
 388
 389         m_event(this, evStart);
 390
 391         return 0;
 392 }
 393
 394 RESULT eServiceMP3::stop()
 395 {
 396         ASSERT(m_state != stIdle);
 397
 398         if (m_state == stStopped)
 399                 return -1;
 400
 401         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 402         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 403         m_state = stStopped;
 404
 405         return 0;
 406 }
 407
 408 RESULT eServiceMP3::setTarget(int target)
 409 {
 410         return -1;
 411 }
 412
 413 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 414 {
 415         ptr=this;
 416         return 0;
 417 }
 418
 419 RESULT eServiceMP3::setSlowMotion(int ratio)
 420 {
 421         if (!ratio)
 422                 return 0;
 423         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 424         return trickSeek(1/(float)ratio);
 425 }
 426
 427 RESULT eServiceMP3::setFastForward(int ratio)
 428 {
 429         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 430         return trickSeek(ratio);
 431 }
 432
 433 void eServiceMP3::seekTimeoutCB()
 434 {
 435         pts_t ppos, len;
 436         getPlayPosition(ppos);
 437         getLength(len);
 438         ppos += 90000*m_currentTrickRatio;
 439
 440         if (ppos < 0)
 441         {
 442                 ppos = 0;
 443                 m_seekTimeout->stop();
 444         }
 445         if (ppos > len)
 446         {
 447                 ppos = 0;
 448                 stop();
 449                 m_seekTimeout->stop();
 450                 return;
 451         }
 452         seekTo(ppos);
 453 }
 454
 455                 // iPausableService
 456 RESULT eServiceMP3::pause()
 457 {
 458         if (!m_gst_playbin || m_state != stRunning)
 459                 return -1;
 460
 461         gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 462
 463         return 0;
 464 }
 465
 466 RESULT eServiceMP3::unpause()
 467 {
 468         if (!m_gst_playbin || m_state != stRunning)
 469                 return -1;
 470
 471         gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 472
 473         return 0;
 474 }
 475
 476         /* iSeekableService */
 477 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 478 {
 479         ptr = this;
 480         return 0;
 481 }
 482
 483 RESULT eServiceMP3::getLength(pts_t &pts)
 484 {
 485         if (!m_gst_playbin)
 486                 return -1;
 487
 488         if (m_state != stRunning)
 489                 return -1;
 490
 491         GstFormat fmt = GST_FORMAT_TIME;
 492         gint64 len;
 493
 494         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 495                 return -1;
 496                 /* len is in nanoseconds. we have 90 000 pts per second. */
 497
 498         pts = len / 11111;
 499         return 0;
 500 }
 501
 502 RESULT eServiceMP3::seekToImpl(pts_t to)
 503 {
 504                 /* convert pts to nanoseconds */
 505         gint64 time_nanoseconds = to * 11111LL;
 506         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 507                 GST_SEEK_TYPE_SET, time_nanoseconds,
 508                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 509         {
 510                 eDebug("eServiceMP3::seekTo failed");
 511                 return -1;
 512         }
 513
 514         return 0;
 515 }
 516
 517 RESULT eServiceMP3::seekTo(pts_t to)
 518 {
 519         RESULT ret = -1;
 520
 521         if (m_gst_playbin) {
 522                 eSingleLocker l(m_subs_to_pull_lock); // this is needed to dont handle incomming subtitles during seek!
 523                 if (!(ret = seekToImpl(to)))
 524                 {
 525                         m_subtitle_pages.clear();
 526                         m_subs_to_pull = 0;
 527                 }
 528         }
 529
 530         return ret;
 531 }
 532
 533
 534 RESULT eServiceMP3::trickSeek(gdouble ratio)
 535 {
 536         if (!m_gst_playbin)
 537                 return -1;
 538         if (!ratio)
 539                 return seekRelative(0, 0);
 540
 541         GstEvent *s_event;
 542         int flags;
 543         flags = GST_SEEK_FLAG_NONE;
 544         flags |= GST_SEEK_FLAG_FLUSH;
 545 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 546         flags |= GST_SEEK_FLAG_KEY_UNIT;
 547 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 548 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 549
 550         GstFormat fmt = GST_FORMAT_TIME;
 551         gint64 pos, len;
 552         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 553         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 554
 555         if ( ratio >= 0 )
 556         {
 557                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 558
 559                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 560         }
 561         else
 562         {
 563                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)(GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH), GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
 564         }
 565
 566         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 567         {
 568                 eDebug("eServiceMP3::trickSeek failed");
 569                 return -1;
 570         }
 571
 572         return 0;
 573 }
 574
 575
 576 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 577 {
 578         if (!m_gst_playbin)
 579                 return -1;
 580
 581         pts_t ppos;
 582         getPlayPosition(ppos);
 583         ppos += to * direction;
 584         if (ppos < 0)
 585                 ppos = 0;
 586         seekTo(ppos);
 587
 588         return 0;
 589 }
 590
 591 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 592 {
 593         GstFormat fmt = GST_FORMAT_TIME;
 594         gint64 pos;
 595         GstElement *sink;
 596         pts = 0;
 597
 598         if (!m_gst_playbin)
 599                 return -1;
 600         if (m_state != stRunning)
 601                 return -1;
 602
 603         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 604
 605         if (!sink)
 606                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 607
 608         if (!sink)
 609                 return -1;
 610
 611         gchar *name = gst_element_get_name(sink);
 612         gboolean use_get_decoder_time = strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink");
 613         g_free(name);
 614
 615         if (use_get_decoder_time)
 616                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 617
 618         gst_object_unref(sink);
 619
 620         if (!use_get_decoder_time && !gst_element_query_position(m_gst_playbin, &fmt, &pos)) {
 621                 eDebug("gst_element_query_position failed in getPlayPosition");
 622                 return -1;
 623         }
 624
 625         /* pos is in nanoseconds. we have 90 000 pts per second. */
 626         pts = pos / 11111;
 627         return 0;
 628 }
 629
 630 RESULT eServiceMP3::setTrickmode(int trick)
 631 {
 632                 /* trickmode is not yet supported by our dvbmediasinks. */
 633         return -1;
 634 }
 635
 636 RESULT eServiceMP3::isCurrentlySeekable()
 637 {
 638         return 1;
 639 }
 640
 641 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 642 {
 643         i = this;
 644         return 0;
 645 }
 646
 647 RESULT eServiceMP3::getName(std::string &name)
 648 {
 649         std::string title = m_ref.getName();
 650         if (title.empty())
 651         {
 652                 name = m_ref.path;
 653                 size_t n = name.rfind('/');
 654                 if (n != std::string::npos)
 655                         name = name.substr(n + 1);
 656         }
 657         else
 658                 name = title;
 659         return 0;
 660 }
 661
 662
 663 int eServiceMP3::getInfo(int w)
 664 {
 665         const gchar *tag = 0;
 666
 667         switch (w)
 668         {
 669         case sServiceref: return m_ref;
 670         case sVideoHeight: return m_height;
 671         case sVideoWidth: return m_width;
 672         case sFrameRate: return m_framerate;
 673         case sProgressive: return m_progressive;
 674         case sAspect: return m_aspect;
 675         case sTagTitle:
 676         case sTagArtist:
 677         case sTagAlbum:
 678         case sTagTitleSortname:
 679         case sTagArtistSortname:
 680         case sTagAlbumSortname:
 681         case sTagDate:
 682         case sTagComposer:
 683         case sTagGenre:
 684         case sTagComment:
 685         case sTagExtendedComment:
 686         case sTagLocation:
 687         case sTagHomepage:
 688         case sTagDescription:
 689         case sTagVersion:
 690         case sTagISRC:
 691         case sTagOrganization:
 692         case sTagCopyright:
 693         case sTagCopyrightURI:
 694         case sTagContact:
 695         case sTagLicense:
 696         case sTagLicenseURI:
 697         case sTagCodec:
 698         case sTagAudioCodec:
 699         case sTagVideoCodec:
 700         case sTagEncoder:
 701         case sTagLanguageCode:
 702         case sTagKeywords:
 703         case sTagChannelMode:
 704         case sUser+12:
 705                 return resIsString;
 706         case sTagTrackGain:
 707         case sTagTrackPeak:
 708         case sTagAlbumGain:
 709         case sTagAlbumPeak:
 710         case sTagReferenceLevel:
 711         case sTagBeatsPerMinute:
 712         case sTagImage:
 713         case sTagPreviewImage:
 714         case sTagAttachment:
 715                 return resIsPyObject;
 716         case sTagTrackNumber:
 717                 tag = GST_TAG_TRACK_NUMBER;
 718                 break;
 719         case sTagTrackCount:
 720                 tag = GST_TAG_TRACK_COUNT;
 721                 break;
 722         case sTagAlbumVolumeNumber:
 723                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 724                 break;
 725         case sTagAlbumVolumeCount:
 726                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 727                 break;
 728         case sTagBitrate:
 729                 tag = GST_TAG_BITRATE;
 730                 break;
 731         case sTagNominalBitrate:
 732                 tag = GST_TAG_NOMINAL_BITRATE;
 733                 break;
 734         case sTagMinimumBitrate:
 735                 tag = GST_TAG_MINIMUM_BITRATE;
 736                 break;
 737         case sTagMaximumBitrate:
 738                 tag = GST_TAG_MAXIMUM_BITRATE;
 739                 break;
 740         case sTagSerial:
 741                 tag = GST_TAG_SERIAL;
 742                 break;
 743         case sTagEncoderVersion:
 744                 tag = GST_TAG_ENCODER_VERSION;
 745                 break;
 746         case sTagCRC:
 747                 tag = "has-crc";
 748                 break;
 749         default:
 750                 return resNA;
 751         }
 752
 753         if (!m_stream_tags || !tag)
 754                 return 0;
 755
 756         guint value;
 757         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 758                 return (int) value;
 759
 760         return 0;
 761 }
 762
 763 std::string eServiceMP3::getInfoString(int w)
 764 {
 765         if ( !m_stream_tags && w < sUser && w > 26 )
 766                 return "";
 767         const gchar *tag = 0;
 768         switch (w)
 769         {
 770         case sTagTitle:
 771                 tag = GST_TAG_TITLE;
 772                 break;
 773         case sTagArtist:
 774                 tag = GST_TAG_ARTIST;
 775                 break;
 776         case sTagAlbum:
 777                 tag = GST_TAG_ALBUM;
 778                 break;
 779         case sTagTitleSortname:
 780                 tag = GST_TAG_TITLE_SORTNAME;
 781                 break;
 782         case sTagArtistSortname:
 783                 tag = GST_TAG_ARTIST_SORTNAME;
 784                 break;
 785         case sTagAlbumSortname:
 786                 tag = GST_TAG_ALBUM_SORTNAME;
 787                 break;
 788         case sTagDate:
 789                 GDate *date;
 790                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 791                 {
 792                         gchar res[5];
 793                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 794                         return (std::string)res;
 795                 }
 796                 break;
 797         case sTagComposer:
 798                 tag = GST_TAG_COMPOSER;
 799                 break;
 800         case sTagGenre:
 801                 tag = GST_TAG_GENRE;
 802                 break;
 803         case sTagComment:
 804                 tag = GST_TAG_COMMENT;
 805                 break;
 806         case sTagExtendedComment:
 807                 tag = GST_TAG_EXTENDED_COMMENT;
 808                 break;
 809         case sTagLocation:
 810                 tag = GST_TAG_LOCATION;
 811                 break;
 812         case sTagHomepage:
 813                 tag = GST_TAG_HOMEPAGE;
 814                 break;
 815         case sTagDescription:
 816                 tag = GST_TAG_DESCRIPTION;
 817                 break;
 818         case sTagVersion:
 819                 tag = GST_TAG_VERSION;
 820                 break;
 821         case sTagISRC:
 822                 tag = GST_TAG_ISRC;
 823                 break;
 824         case sTagOrganization:
 825                 tag = GST_TAG_ORGANIZATION;
 826                 break;
 827         case sTagCopyright:
 828                 tag = GST_TAG_COPYRIGHT;
 829                 break;
 830         case sTagCopyrightURI:
 831                 tag = GST_TAG_COPYRIGHT_URI;
 832                 break;
 833         case sTagContact:
 834                 tag = GST_TAG_CONTACT;
 835                 break;
 836         case sTagLicense:
 837                 tag = GST_TAG_LICENSE;
 838                 break;
 839         case sTagLicenseURI:
 840                 tag = GST_TAG_LICENSE_URI;
 841                 break;
 842         case sTagCodec:
 843                 tag = GST_TAG_CODEC;
 844                 break;
 845         case sTagAudioCodec:
 846                 tag = GST_TAG_AUDIO_CODEC;
 847                 break;
 848         case sTagVideoCodec:
 849                 tag = GST_TAG_VIDEO_CODEC;
 850                 break;
 851         case sTagEncoder:
 852                 tag = GST_TAG_ENCODER;
 853                 break;
 854         case sTagLanguageCode:
 855                 tag = GST_TAG_LANGUAGE_CODE;
 856                 break;
 857         case sTagKeywords:
 858                 tag = GST_TAG_KEYWORDS;
 859                 break;
 860         case sTagChannelMode:
 861                 tag = "channel-mode";
 862                 break;
 863         case sUser+12:
 864                 return m_error_message;
 865         default:
 866                 return "";
 867         }
 868         if ( !tag )
 869                 return "";
 870         gchar *value;
 871         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 872         {
 873                 std::string res = value;
 874                 g_free(value);
 875                 return res;
 876         }
 877         return "";
 878 }
 879
 880 PyObject *eServiceMP3::getInfoObject(int w)
 881 {
 882         const gchar *tag = 0;
 883         bool isBuffer = false;
 884         switch (w)
 885         {
 886                 case sTagTrackGain:
 887                         tag = GST_TAG_TRACK_GAIN;
 888                         break;
 889                 case sTagTrackPeak:
 890                         tag = GST_TAG_TRACK_PEAK;
 891                         break;
 892                 case sTagAlbumGain:
 893                         tag = GST_TAG_ALBUM_GAIN;
 894                         break;
 895                 case sTagAlbumPeak:
 896                         tag = GST_TAG_ALBUM_PEAK;
 897                         break;
 898                 case sTagReferenceLevel:
 899                         tag = GST_TAG_REFERENCE_LEVEL;
 900                         break;
 901                 case sTagBeatsPerMinute:
 902                         tag = GST_TAG_BEATS_PER_MINUTE;
 903                         break;
 904                 case sTagImage:
 905                         tag = GST_TAG_IMAGE;
 906                         isBuffer = true;
 907                         break;
 908                 case sTagPreviewImage:
 909                         tag = GST_TAG_PREVIEW_IMAGE;
 910                         isBuffer = true;
 911                         break;
 912                 case sTagAttachment:
 913                         tag = GST_TAG_ATTACHMENT;
 914                         isBuffer = true;
 915                         break;
 916                 default:
 917                         break;
 918         }
 919
 920         if ( isBuffer )
 921         {
 922                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 923                 if ( gv_buffer )
 924                 {
 925                         GstBuffer *buffer;
 926                         buffer = gst_value_get_buffer (gv_buffer);
 927                         return PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 928                 }
 929         }
 930         else
 931         {
 932                 gdouble value = 0.0;
 933                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 934                 return PyFloat_FromDouble(value);
 935         }
 936
 937         return 0;
 938 }
 939
 940 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 941 {
 942         ptr = this;
 943         return 0;
 944 }
 945
 946 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 947 {
 948         ptr = this;
 949         return 0;
 950 }
 951
 952 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 953 {
 954         ptr = this;
 955         return 0;
 956 }
 957
 958 int eServiceMP3::getNumberOfTracks()
 959 {
 960         return m_audioStreams.size();
 961 }
 962
 963 int eServiceMP3::getCurrentTrack()
 964 {
 965         if (m_currentAudioStream == -1)
 966                 g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &m_currentAudioStream, NULL);
 967         return m_currentAudioStream;
 968 }
 969
 970 RESULT eServiceMP3::selectTrack(unsigned int i)
 971 {
 972         pts_t ppos;
 973         getPlayPosition(ppos);
 974         ppos -= 90000;
 975         if (ppos < 0)
 976                 ppos = 0;
 977
 978         int ret = selectAudioStream(i);
 979         if (!ret) {
 980                 /* flush */
 981                 seekTo(ppos);
 982         }
 983
 984         return ret;
 985 }
 986
 987 int eServiceMP3::selectAudioStream(int i)
 988 {
 989         int current_audio;
 990         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 991         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 992         if ( current_audio == i )
 993         {
 994                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 995                 m_currentAudioStream = i;
 996                 return 0;
 997         }
 998         return -1;
 999 }
1000
1001 int eServiceMP3::getCurrentChannel()
1002 {
1003         return STEREO;
1004 }
1005
1006 RESULT eServiceMP3::selectChannel(int i)
1007 {
1008         eDebug("eServiceMP3::selectChannel(%i)",i);
1009         return 0;
1010 }
1011
1012 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
1013 {
1014         if (i >= m_audioStreams.size())
1015                 return -2;
1016                 info.m_description = m_audioStreams[i].codec;
1017 /*      if (m_audioStreams[i].type == atMPEG)
1018                 info.m_description = "MPEG";
1019         else if (m_audioStreams[i].type == atMP3)
1020                 info.m_description = "MP3";
1021         else if (m_audioStreams[i].type == atAC3)
1022                 info.m_description = "AC3";
1023         else if (m_audioStreams[i].type == atAAC)
1024                 info.m_description = "AAC";
1025         else if (m_audioStreams[i].type == atDTS)
1026                 info.m_description = "DTS";
1027         else if (m_audioStreams[i].type == atPCM)
1028                 info.m_description = "PCM";
1029         else if (m_audioStreams[i].type == atOGG)
1030                 info.m_description = "OGG";
1031         else if (m_audioStreams[i].type == atFLAC)
1032                 info.m_description = "FLAC";
1033         else
1034                 info.m_description = "???";*/
1035         if (info.m_language.empty())
1036                 info.m_language = m_audioStreams[i].language_code;
1037         return 0;
1038 }
1039
1040 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1041 {
1042         if (!msg)
1043                 return;
1044         gchar *sourceName;
1045         GstObject *source;
1046
1047         source = GST_MESSAGE_SRC(msg);
1048         sourceName = gst_object_get_name(source);
1049 #if 0
1050         if (gst_message_get_structure(msg))
1051         {
1052                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1053                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1054                 g_free(string);
1055         }
1056         else
1057                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1058 #endif
1059         switch (GST_MESSAGE_TYPE (msg))
1060         {
1061                 case GST_MESSAGE_EOS:
1062                         m_event((iPlayableService*)this, evEOF);
1063                         break;
1064                 case GST_MESSAGE_STATE_CHANGED:
1065                 {
1066                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1067                                 break;
1068
1069                         GstState old_state, new_state;
1070                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1071
1072                         if(old_state == new_state)
1073                                 break;
1074
1075                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1076
1077                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1078
1079                         switch(transition)
1080                         {
1081                                 case GST_STATE_CHANGE_NULL_TO_READY:
1082                                 {
1083                                 }       break;
1084                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1085                                 {
1086                                         GstElement *sink;
1087                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1088                                         if (sink)
1089                                         {
1090                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1091                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1092                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1093                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1094                                                 gst_object_unref(sink);
1095                                         }
1096                                 }       break;
1097                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1098                                 {
1099                                 }       break;
1100                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1101                                 {
1102                                 }       break;
1103                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1104                                 {
1105                                 }       break;
1106                                 case GST_STATE_CHANGE_READY_TO_NULL:
1107                                 {
1108                                 }       break;
1109                         }
1110                         break;
1111                 }
1112                 case GST_MESSAGE_ERROR:
1113                 {
1114                         gchar *debug;
1115                         GError *err;
1116                         gst_message_parse_error (msg, &err, &debug);
1117                         g_free (debug);
1118                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1119                         if ( err->domain == GST_STREAM_ERROR )
1120                         {
1121                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1122                                 {
1123                                         if ( g_strrstr(sourceName, "videosink") )
1124                                                 m_event((iPlayableService*)this, evUser+11);
1125                                         else if ( g_strrstr(sourceName, "audiosink") )
1126                                                 m_event((iPlayableService*)this, evUser+10);
1127                                 }
1128                         }
1129                         g_error_free(err);
1130                         break;
1131                 }
1132                 case GST_MESSAGE_INFO:
1133                 {
1134                         gchar *debug;
1135                         GError *inf;
1136
1137                         gst_message_parse_info (msg, &inf, &debug);
1138                         g_free (debug);
1139                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1140                         {
1141                                 if ( g_strrstr(sourceName, "videosink") )
1142                                         m_event((iPlayableService*)this, evUser+14);
1143                         }
1144                         g_error_free(inf);
1145                         break;
1146                 }
1147                 case GST_MESSAGE_TAG:
1148                 {
1149                         GstTagList *tags, *result;
1150                         gst_message_parse_tag(msg, &tags);
1151
1152                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1153                         if (result)
1154                         {
1155                                 if (m_stream_tags)
1156                                         gst_tag_list_free(m_stream_tags);
1157                                 m_stream_tags = result;
1158                         }
1159
1160                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1161                         if ( gv_image )
1162                         {
1163                                 GstBuffer *buf_image;
1164                                 buf_image = gst_value_get_buffer (gv_image);
1165                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1166                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1167                                 close(fd);
1168                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1169                                 m_event((iPlayableService*)this, evUser+13);
1170                         }
1171                         gst_tag_list_free(tags);
1172                         m_event((iPlayableService*)this, evUpdatedInfo);
1173                         break;
1174                 }
1175                 case GST_MESSAGE_ASYNC_DONE:
1176                 {
1177                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1178                                 break;
1179
1180                         GstTagList *tags;
1181                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1182
1183                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1184                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1185                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1186
1187                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1188
1189                         if ( n_video + n_audio <= 0 )
1190                                 stop();
1191
1192                         active_idx = 0;
1193
1194                         m_audioStreams.clear();
1195                         m_subtitleStreams.clear();
1196
1197                         for (i = 0; i < n_audio; i++)
1198                         {
1199                                 audioStream audio;
1200                                 gchar *g_codec, *g_lang;
1201                                 GstPad* pad = 0;
1202                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1203                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1204                                 if (!caps)
1205                                         continue;
1206                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1207                                 const gchar *g_type = gst_structure_get_name(str);
1208                                 eDebug("AUDIO STRUCT=%s", g_type);
1209                                 audio.type = gstCheckAudioPad(str);
1210                                 g_codec = g_strdup(g_type);
1211                                 g_lang = g_strdup_printf ("und");
1212                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1213                                 if ( tags && gst_is_tag_list(tags) )
1214                                 {
1215                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1216                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1217                                         gst_tag_list_free(tags);
1218                                 }
1219                                 audio.language_code = std::string(g_lang);
1220                                 audio.codec = std::string(g_codec);
1221                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1222                                 m_audioStreams.push_back(audio);
1223                                 g_free (g_lang);
1224                                 g_free (g_codec);
1225                                 gst_caps_unref(caps);
1226                         }
1227
1228                         for (i = 0; i < n_text; i++)
1229                         {
1230                                 gchar *g_lang;
1231 //                              gchar *g_type;
1232 //                              GstPad* pad = 0;
1233 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1234 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1235 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1236 //                              g_type = gst_structure_get_name(str);
1237 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1238                                 subtitleStream subs;
1239                                 subs.type = stPlainText;
1240                                 g_lang = g_strdup_printf ("und");
1241                                 if ( tags && gst_is_tag_list(tags) )
1242                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1243                                 subs.language_code = std::string(g_lang);
1244                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1245                                 m_subtitleStreams.push_back(subs);
1246                                 g_free (g_lang);
1247 //                              g_free (g_type);
1248                         }
1249                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1250                 }
1251                 case GST_MESSAGE_ELEMENT:
1252                 {
1253                         if ( gst_is_missing_plugin_message(msg) )
1254                         {
1255                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1256                                 if ( description )
1257                                 {
1258                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1259                                         g_free(description);
1260                                         m_event((iPlayableService*)this, evUser+12);
1261                                 }
1262                         }
1263                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1264                         {
1265                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1266                                 if ( eventname )
1267                                 {
1268                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1269                                         {
1270                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1271                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1272                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1273                                                 if (strstr(eventname, "Changed"))
1274                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1275                                         }
1276                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1277                                         {
1278                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1279                                                 if (strstr(eventname, "Changed"))
1280                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1281                                         }
1282                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1283                                         {
1284                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1285                                                 if (strstr(eventname, "Changed"))
1286                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1287                                         }
1288                                 }
1289                         }
1290                         break;
1291                 }
1292                 case GST_MESSAGE_BUFFERING:
1293                 {
1294                         GstBufferingMode mode;
1295                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1296                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1297                         m_event((iPlayableService*)this, evBuffering);
1298                 }
1299                 default:
1300                         break;
1301         }
1302         g_free (sourceName);
1303 }
1304
1305 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1306 {
1307         eServiceMP3 *_this = (eServiceMP3*)user_data;
1308         _this->m_pump.send(1);
1309                 /* wake */
1310         return GST_BUS_PASS;
1311 }
1312
1313 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1314 {
1315         if (!structure)
1316                 return atUnknown;
1317
1318         if ( gst_structure_has_name (structure, "audio/mpeg"))
1319         {
1320                 gint mpegversion, layer = -1;
1321                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1322                         return atUnknown;
1323
1324                 switch (mpegversion) {
1325                         case 1:
1326                                 {
1327                                         gst_structure_get_int (structure, "layer", &layer);
1328                                         if ( layer == 3 )
1329                                                 return atMP3;
1330                                         else
1331                                                 return atMPEG;
1332                                         break;
1333                                 }
1334                         case 2:
1335                                 return atAAC;
1336                         case 4:
1337                                 return atAAC;
1338                         default:
1339                                 return atUnknown;
1340                 }
1341         }
1342
1343         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1344                 return atAC3;
1345         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1346                 return atDTS;
1347         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1348                 return atPCM;
1349
1350         return atUnknown;
1351 }
1352
1353 void eServiceMP3::gstPoll(const int &msg)
1354 {
1355                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1356                    us the wakup signal, but likely before it was posted.
1357                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1358
1359                    I need to understand the API a bit more to make this work
1360                    proplerly. */
1361         if (msg == 1)
1362         {
1363                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1364                 GstMessage *message;
1365                 usleep(1);
1366                 while ((message = gst_bus_pop (bus)))
1367                 {
1368                         gstBusCall(bus, message);
1369                         gst_message_unref (message);
1370                 }
1371         }
1372         else
1373                 pullSubtitle();
1374 }
1375
1376 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1377
1378 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1379 {
1380         eServiceMP3 *_this = (eServiceMP3*)user_data;
1381         eSingleLocker l(_this->m_subs_to_pull_lock);
1382         ++_this->m_subs_to_pull;
1383         _this->m_pump.send(2);
1384 }
1385
1386 void eServiceMP3::pullSubtitle()
1387 {
1388         GstElement *sink;
1389         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1390         if (sink)
1391         {
1392                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1393                 {
1394                         GstBuffer *buffer;
1395                         {
1396                                 eSingleLocker l(m_subs_to_pull_lock);
1397                                 --m_subs_to_pull;
1398                                 g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1399                         }
1400                         if (buffer)
1401                         {
1402                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1403                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1404                                 size_t len = GST_BUFFER_SIZE(buffer);
1405                                 unsigned char line[len+1];
1406                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1407                                 line[len] = 0;
1408                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1409                                 ePangoSubtitlePage page;
1410                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1411                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1412                                 page.show_pts = buf_pos / 11111L;
1413                                 page.m_timeout = duration_ns / 1000000;
1414                                 m_subtitle_pages.push_back(page);
1415                                 pushSubtitles();
1416                                 gst_buffer_unref(buffer);
1417                         }
1418                 }
1419                 gst_object_unref(sink);
1420         }
1421         else
1422                 eDebug("no subtitle sink!");
1423 }
1424
1425 void eServiceMP3::pushSubtitles()
1426 {
1427         ePangoSubtitlePage page;
1428         pts_t running_pts;
1429         while ( !m_subtitle_pages.empty() )
1430         {
1431                 getPlayPosition(running_pts);
1432                 page = m_subtitle_pages.front();
1433                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1434                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1435                 if (diff_ms < -100)
1436                 {
1437                         GstFormat fmt = GST_FORMAT_TIME;
1438                         gint64 now;
1439                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1440                         {
1441                                 now /= 11111;
1442                                 diff_ms = abs((now - running_pts) / 90);
1443                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1444                                 if (diff_ms > 100000)
1445                                 {
1446                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1447                                         m_subtitle_sync_timer->start(1000, true);
1448                                         break;
1449                                 }
1450                         }
1451                         else
1452                                 eDebug("query position for decoder/pipeline check failed!");
1453                         eDebug("subtitle to late... drop");
1454                         m_subtitle_pages.pop_front();
1455                 }
1456                 else if ( diff_ms > 20 )
1457                 {
1458 //                      eDebug("start recheck timer");
1459                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1460                         break;
1461                 }
1462                 else // immediate show
1463                 {
1464                         if (m_subtitle_widget)
1465                                 m_subtitle_widget->setPage(page);
1466                         m_subtitle_pages.pop_front();
1467                 }
1468         }
1469         if (m_subtitle_pages.empty())
1470                 pullSubtitle();
1471 }
1472
1473 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1474 {
1475         ePyObject entry;
1476         int tuplesize = PyTuple_Size(tuple);
1477         int pid, type;
1478         gint text_pid = 0;
1479
1480         if (!PyTuple_Check(tuple))
1481                 goto error_out;
1482         if (tuplesize < 1)
1483                 goto error_out;
1484         entry = PyTuple_GET_ITEM(tuple, 1);
1485         if (!PyInt_Check(entry))
1486                 goto error_out;
1487         pid = PyInt_AsLong(entry);
1488         entry = PyTuple_GET_ITEM(tuple, 2);
1489         if (!PyInt_Check(entry))
1490                 goto error_out;
1491         type = PyInt_AsLong(entry);
1492
1493         if (m_currentSubtitleStream != pid)
1494         {
1495                 eSingleLocker l(m_subs_to_pull_lock);
1496                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1497                 m_currentSubtitleStream = pid;
1498                 m_subs_to_pull = 0;
1499                 m_subtitle_pages.clear();
1500         }
1501
1502         m_subtitle_widget = 0;
1503         m_subtitle_widget = new eSubtitleWidget(parent);
1504         m_subtitle_widget->resize(parent->size()); /* full size */
1505
1506         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1507
1508         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1509
1510         return 0;
1511
1512 error_out:
1513         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1514                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1515         return -1;
1516 }
1517
1518 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1519 {
1520         eDebug("eServiceMP3::disableSubtitles");
1521         m_subtitle_pages.clear();
1522         delete m_subtitle_widget;
1523         m_subtitle_widget = 0;
1524         return 0;
1525 }
1526
1527 PyObject *eServiceMP3::getCachedSubtitle()
1528 {
1529 //      eDebug("eServiceMP3::getCachedSubtitle");
1530         Py_RETURN_NONE;
1531 }
1532
1533 PyObject *eServiceMP3::getSubtitleList()
1534 {
1535         eDebug("eServiceMP3::getSubtitleList");
1536
1537         ePyObject l = PyList_New(0);
1538         int stream_count[sizeof(subtype_t)];
1539         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1540                 stream_count[i] = 0;
1541
1542         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1543         {
1544                 subtype_t type = IterSubtitleStream->type;
1545                 ePyObject tuple = PyTuple_New(5);
1546                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1547                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1548                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1549                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1550                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1551                 PyList_Append(l, tuple);
1552                 Py_DECREF(tuple);
1553                 stream_count[type]++;
1554         }
1555         return l;
1556 }
1557
1558 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1559 {
1560         ptr = this;
1561         return 0;
1562 }
1563
1564 PyObject *eServiceMP3::getBufferCharge()
1565 {
1566         ePyObject tuple = PyTuple_New(5);
1567         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1568         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1569         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1570         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1571         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1572         return tuple;
1573 }
1574
1575 int eServiceMP3::setBufferSize(int size)
1576 {
1577         m_buffer_size = size;
1578         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1579         return 0;
1580 }
1581
1582
1583 #else
1584 #warning gstreamer not available, not building media player
1585 #endif