lib/service/servicemp3.cpp

   1 #ifdef HAVE_GSTREAMER
   2
   3         /* note: this requires gstreamer 0.10.x and a big list of plugins. */
   4         /* it's currently hardcoded to use a big-endian alsasink as sink. */
   5 #include <lib/base/eerror.h>
   6 #include <lib/base/object.h>
   7 #include <lib/base/ebase.h>
   8 #include <string>
   9 #include <lib/service/servicemp3.h>
  10 #include <lib/service/service.h>
  11 #include <lib/components/file_eraser.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/base/init.h>
  14 #include <gst/gst.h>
  15 #include <gst/pbutils/missing-plugins.h>
  16 #include <sys/stat.h>
  17 /* for subtitles */
  18 #include <lib/gui/esubtitle.h>
  19
  20 // eServiceFactoryMP3
  21
  22 eServiceFactoryMP3::eServiceFactoryMP3()
  23 {
  24         ePtr<eServiceCenter> sc;
  25
  26         eServiceCenter::getPrivInstance(sc);
  27         if (sc)
  28         {
  29                 std::list<std::string> extensions;
  30                 extensions.push_back("mp2");
  31                 extensions.push_back("mp3");
  32                 extensions.push_back("ogg");
  33                 extensions.push_back("mpg");
  34                 extensions.push_back("vob");
  35                 extensions.push_back("wav");
  36                 extensions.push_back("wave");
  37                 extensions.push_back("mkv");
  38                 extensions.push_back("avi");
  39                 extensions.push_back("divx");
  40                 extensions.push_back("dat");
  41                 extensions.push_back("flac");
  42                 extensions.push_back("mp4");
  43                 extensions.push_back("mov");
  44                 extensions.push_back("m4a");
  45                 extensions.push_back("m2ts");
  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 = 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
 444         gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 445
 446         return 0;
 447 }
 448
 449 RESULT eServiceMP3::unpause()
 450 {
 451         if (!m_gst_playbin || m_state != stRunning)
 452                 return -1;
 453
 454         gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 455
 456         return 0;
 457 }
 458
 459         /* iSeekableService */
 460 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 461 {
 462         ptr = this;
 463         return 0;
 464 }
 465
 466 RESULT eServiceMP3::getLength(pts_t &pts)
 467 {
 468         if (!m_gst_playbin)
 469                 return -1;
 470
 471         if (m_state != stRunning)
 472                 return -1;
 473
 474         GstFormat fmt = GST_FORMAT_TIME;
 475         gint64 len;
 476
 477         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 478                 return -1;
 479                 /* len is in nanoseconds. we have 90 000 pts per second. */
 480
 481         pts = len / 11111;
 482         return 0;
 483 }
 484
 485 RESULT eServiceMP3::seekToImpl(pts_t to)
 486 {
 487                 /* convert pts to nanoseconds */
 488         gint64 time_nanoseconds = to * 11111LL;
 489         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 490                 GST_SEEK_TYPE_SET, time_nanoseconds,
 491                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 492         {
 493                 eDebug("eServiceMP3::seekTo failed");
 494                 return -1;
 495         }
 496
 497         return 0;
 498 }
 499
 500 RESULT eServiceMP3::seekTo(pts_t to)
 501 {
 502         RESULT ret = -1;
 503
 504         if (m_gst_playbin) {
 505                 eSingleLocker l(m_subs_to_pull_lock); // this is needed to dont handle incomming subtitles during seek!
 506                 if (!(ret = seekToImpl(to)))
 507                 {
 508                         m_subtitle_pages.clear();
 509                         m_subs_to_pull = 0;
 510                 }
 511         }
 512
 513         return ret;
 514 }
 515
 516
 517 RESULT eServiceMP3::trickSeek(gdouble ratio)
 518 {
 519         if (!m_gst_playbin)
 520                 return -1;
 521         if (!ratio)
 522                 return seekRelative(0, 0);
 523
 524         GstEvent *s_event;
 525         int flags;
 526         flags = GST_SEEK_FLAG_NONE;
 527         flags |= GST_SEEK_FLAG_FLUSH;
 528 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 529         flags |= GST_SEEK_FLAG_KEY_UNIT;
 530 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 531 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 532
 533         GstFormat fmt = GST_FORMAT_TIME;
 534         gint64 pos, len;
 535         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 536         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 537
 538         if ( ratio >= 0 )
 539         {
 540                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 541
 542                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 543         }
 544         else
 545         {
 546                 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);
 547         }
 548
 549         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 550         {
 551                 eDebug("eServiceMP3::trickSeek failed");
 552                 return -1;
 553         }
 554
 555         return 0;
 556 }
 557
 558
 559 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 560 {
 561         if (!m_gst_playbin)
 562                 return -1;
 563
 564         pts_t ppos;
 565         getPlayPosition(ppos);
 566         ppos += to * direction;
 567         if (ppos < 0)
 568                 ppos = 0;
 569         seekTo(ppos);
 570
 571         return 0;
 572 }
 573
 574 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 575 {
 576         GstFormat fmt = GST_FORMAT_TIME;
 577         gint64 pos;
 578         GstElement *sink;
 579         pts = 0;
 580
 581         if (!m_gst_playbin)
 582                 return -1;
 583         if (m_state != stRunning)
 584                 return -1;
 585
 586         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 587
 588         if (!sink)
 589                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 590
 591         if (!sink)
 592                 return -1;
 593
 594         gchar *name = gst_element_get_name(sink);
 595         gboolean use_get_decoder_time = strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink");
 596         g_free(name);
 597
 598         if (use_get_decoder_time)
 599                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 600
 601         gst_object_unref(sink);
 602
 603         if (!use_get_decoder_time && !gst_element_query_position(m_gst_playbin, &fmt, &pos)) {
 604                 eDebug("gst_element_query_position failed in getPlayPosition");
 605                 return -1;
 606         }
 607
 608         /* pos is in nanoseconds. we have 90 000 pts per second. */
 609         pts = pos / 11111;
 610         return 0;
 611 }
 612
 613 RESULT eServiceMP3::setTrickmode(int trick)
 614 {
 615                 /* trickmode is not yet supported by our dvbmediasinks. */
 616         return -1;
 617 }
 618
 619 RESULT eServiceMP3::isCurrentlySeekable()
 620 {
 621         return 1;
 622 }
 623
 624 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 625 {
 626         i = this;
 627         return 0;
 628 }
 629
 630 RESULT eServiceMP3::getName(std::string &name)
 631 {
 632         std::string title = m_ref.getName();
 633         if (title.empty())
 634         {
 635                 name = m_ref.path;
 636                 size_t n = name.rfind('/');
 637                 if (n != std::string::npos)
 638                         name = name.substr(n + 1);
 639         }
 640         else
 641                 name = title;
 642         return 0;
 643 }
 644
 645
 646 int eServiceMP3::getInfo(int w)
 647 {
 648         const gchar *tag = 0;
 649
 650         switch (w)
 651         {
 652         case sServiceref: return m_ref;
 653         case sVideoHeight: return m_height;
 654         case sVideoWidth: return m_width;
 655         case sFrameRate: return m_framerate;
 656         case sProgressive: return m_progressive;
 657         case sAspect: return m_aspect;
 658         case sTagTitle:
 659         case sTagArtist:
 660         case sTagAlbum:
 661         case sTagTitleSortname:
 662         case sTagArtistSortname:
 663         case sTagAlbumSortname:
 664         case sTagDate:
 665         case sTagComposer:
 666         case sTagGenre:
 667         case sTagComment:
 668         case sTagExtendedComment:
 669         case sTagLocation:
 670         case sTagHomepage:
 671         case sTagDescription:
 672         case sTagVersion:
 673         case sTagISRC:
 674         case sTagOrganization:
 675         case sTagCopyright:
 676         case sTagCopyrightURI:
 677         case sTagContact:
 678         case sTagLicense:
 679         case sTagLicenseURI:
 680         case sTagCodec:
 681         case sTagAudioCodec:
 682         case sTagVideoCodec:
 683         case sTagEncoder:
 684         case sTagLanguageCode:
 685         case sTagKeywords:
 686         case sTagChannelMode:
 687         case sUser+12:
 688                 return resIsString;
 689         case sTagTrackGain:
 690         case sTagTrackPeak:
 691         case sTagAlbumGain:
 692         case sTagAlbumPeak:
 693         case sTagReferenceLevel:
 694         case sTagBeatsPerMinute:
 695         case sTagImage:
 696         case sTagPreviewImage:
 697         case sTagAttachment:
 698                 return resIsPyObject;
 699         case sTagTrackNumber:
 700                 tag = GST_TAG_TRACK_NUMBER;
 701                 break;
 702         case sTagTrackCount:
 703                 tag = GST_TAG_TRACK_COUNT;
 704                 break;
 705         case sTagAlbumVolumeNumber:
 706                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 707                 break;
 708         case sTagAlbumVolumeCount:
 709                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 710                 break;
 711         case sTagBitrate:
 712                 tag = GST_TAG_BITRATE;
 713                 break;
 714         case sTagNominalBitrate:
 715                 tag = GST_TAG_NOMINAL_BITRATE;
 716                 break;
 717         case sTagMinimumBitrate:
 718                 tag = GST_TAG_MINIMUM_BITRATE;
 719                 break;
 720         case sTagMaximumBitrate:
 721                 tag = GST_TAG_MAXIMUM_BITRATE;
 722                 break;
 723         case sTagSerial:
 724                 tag = GST_TAG_SERIAL;
 725                 break;
 726         case sTagEncoderVersion:
 727                 tag = GST_TAG_ENCODER_VERSION;
 728                 break;
 729         case sTagCRC:
 730                 tag = "has-crc";
 731                 break;
 732         default:
 733                 return resNA;
 734         }
 735
 736         if (!m_stream_tags || !tag)
 737                 return 0;
 738
 739         guint value;
 740         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 741                 return (int) value;
 742
 743         return 0;
 744 }
 745
 746 std::string eServiceMP3::getInfoString(int w)
 747 {
 748         if ( !m_stream_tags && w < sUser && w > 26 )
 749                 return "";
 750         const gchar *tag = 0;
 751         switch (w)
 752         {
 753         case sTagTitle:
 754                 tag = GST_TAG_TITLE;
 755                 break;
 756         case sTagArtist:
 757                 tag = GST_TAG_ARTIST;
 758                 break;
 759         case sTagAlbum:
 760                 tag = GST_TAG_ALBUM;
 761                 break;
 762         case sTagTitleSortname:
 763                 tag = GST_TAG_TITLE_SORTNAME;
 764                 break;
 765         case sTagArtistSortname:
 766                 tag = GST_TAG_ARTIST_SORTNAME;
 767                 break;
 768         case sTagAlbumSortname:
 769                 tag = GST_TAG_ALBUM_SORTNAME;
 770                 break;
 771         case sTagDate:
 772                 GDate *date;
 773                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 774                 {
 775                         gchar res[5];
 776                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 777                         return (std::string)res;
 778                 }
 779                 break;
 780         case sTagComposer:
 781                 tag = GST_TAG_COMPOSER;
 782                 break;
 783         case sTagGenre:
 784                 tag = GST_TAG_GENRE;
 785                 break;
 786         case sTagComment:
 787                 tag = GST_TAG_COMMENT;
 788                 break;
 789         case sTagExtendedComment:
 790                 tag = GST_TAG_EXTENDED_COMMENT;
 791                 break;
 792         case sTagLocation:
 793                 tag = GST_TAG_LOCATION;
 794                 break;
 795         case sTagHomepage:
 796                 tag = GST_TAG_HOMEPAGE;
 797                 break;
 798         case sTagDescription:
 799                 tag = GST_TAG_DESCRIPTION;
 800                 break;
 801         case sTagVersion:
 802                 tag = GST_TAG_VERSION;
 803                 break;
 804         case sTagISRC:
 805                 tag = GST_TAG_ISRC;
 806                 break;
 807         case sTagOrganization:
 808                 tag = GST_TAG_ORGANIZATION;
 809                 break;
 810         case sTagCopyright:
 811                 tag = GST_TAG_COPYRIGHT;
 812                 break;
 813         case sTagCopyrightURI:
 814                 tag = GST_TAG_COPYRIGHT_URI;
 815                 break;
 816         case sTagContact:
 817                 tag = GST_TAG_CONTACT;
 818                 break;
 819         case sTagLicense:
 820                 tag = GST_TAG_LICENSE;
 821                 break;
 822         case sTagLicenseURI:
 823                 tag = GST_TAG_LICENSE_URI;
 824                 break;
 825         case sTagCodec:
 826                 tag = GST_TAG_CODEC;
 827                 break;
 828         case sTagAudioCodec:
 829                 tag = GST_TAG_AUDIO_CODEC;
 830                 break;
 831         case sTagVideoCodec:
 832                 tag = GST_TAG_VIDEO_CODEC;
 833                 break;
 834         case sTagEncoder:
 835                 tag = GST_TAG_ENCODER;
 836                 break;
 837         case sTagLanguageCode:
 838                 tag = GST_TAG_LANGUAGE_CODE;
 839                 break;
 840         case sTagKeywords:
 841                 tag = GST_TAG_KEYWORDS;
 842                 break;
 843         case sTagChannelMode:
 844                 tag = "channel-mode";
 845                 break;
 846         case sUser+12:
 847                 return m_error_message;
 848         default:
 849                 return "";
 850         }
 851         if ( !tag )
 852                 return "";
 853         gchar *value;
 854         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 855         {
 856                 std::string res = value;
 857                 g_free(value);
 858                 return res;
 859         }
 860         return "";
 861 }
 862
 863 PyObject *eServiceMP3::getInfoObject(int w)
 864 {
 865         const gchar *tag = 0;
 866         bool isBuffer = false;
 867         switch (w)
 868         {
 869                 case sTagTrackGain:
 870                         tag = GST_TAG_TRACK_GAIN;
 871                         break;
 872                 case sTagTrackPeak:
 873                         tag = GST_TAG_TRACK_PEAK;
 874                         break;
 875                 case sTagAlbumGain:
 876                         tag = GST_TAG_ALBUM_GAIN;
 877                         break;
 878                 case sTagAlbumPeak:
 879                         tag = GST_TAG_ALBUM_PEAK;
 880                         break;
 881                 case sTagReferenceLevel:
 882                         tag = GST_TAG_REFERENCE_LEVEL;
 883                         break;
 884                 case sTagBeatsPerMinute:
 885                         tag = GST_TAG_BEATS_PER_MINUTE;
 886                         break;
 887                 case sTagImage:
 888                         tag = GST_TAG_IMAGE;
 889                         isBuffer = true;
 890                         break;
 891                 case sTagPreviewImage:
 892                         tag = GST_TAG_PREVIEW_IMAGE;
 893                         isBuffer = true;
 894                         break;
 895                 case sTagAttachment:
 896                         tag = GST_TAG_ATTACHMENT;
 897                         isBuffer = true;
 898                         break;
 899                 default:
 900                         break;
 901         }
 902
 903         if ( isBuffer )
 904         {
 905                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 906                 if ( gv_buffer )
 907                 {
 908                         GstBuffer *buffer;
 909                         buffer = gst_value_get_buffer (gv_buffer);
 910                         return PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 911                 }
 912         }
 913         else
 914         {
 915                 gdouble value = 0.0;
 916                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 917                 return PyFloat_FromDouble(value);
 918         }
 919
 920         return 0;
 921 }
 922
 923 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 924 {
 925         ptr = this;
 926         return 0;
 927 }
 928
 929 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 930 {
 931         ptr = this;
 932         return 0;
 933 }
 934
 935 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 936 {
 937         ptr = this;
 938         return 0;
 939 }
 940
 941 int eServiceMP3::getNumberOfTracks()
 942 {
 943         return m_audioStreams.size();
 944 }
 945
 946 int eServiceMP3::getCurrentTrack()
 947 {
 948         return m_currentAudioStream;
 949 }
 950
 951 RESULT eServiceMP3::selectTrack(unsigned int i)
 952 {
 953         pts_t ppos;
 954         getPlayPosition(ppos);
 955         ppos -= 90000;
 956         if (ppos < 0)
 957                 ppos = 0;
 958
 959         int ret = selectAudioStream(i);
 960         if (!ret) {
 961                 /* flush */
 962                 seekTo(ppos);
 963         }
 964
 965         return ret;
 966 }
 967
 968 int eServiceMP3::selectAudioStream(int i)
 969 {
 970         int current_audio;
 971         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 972         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 973         if ( current_audio == i )
 974         {
 975                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 976                 m_currentAudioStream = i;
 977                 return 0;
 978         }
 979         return -1;
 980 }
 981
 982 int eServiceMP3::getCurrentChannel()
 983 {
 984         return STEREO;
 985 }
 986
 987 RESULT eServiceMP3::selectChannel(int i)
 988 {
 989         eDebug("eServiceMP3::selectChannel(%i)",i);
 990         return 0;
 991 }
 992
 993 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 994 {
 995         if (i >= m_audioStreams.size())
 996                 return -2;
 997                 info.m_description = m_audioStreams[i].codec;
 998 /*      if (m_audioStreams[i].type == atMPEG)
 999                 info.m_description = "MPEG";
1000         else if (m_audioStreams[i].type == atMP3)
1001                 info.m_description = "MP3";
1002         else if (m_audioStreams[i].type == atAC3)
1003                 info.m_description = "AC3";
1004         else if (m_audioStreams[i].type == atAAC)
1005                 info.m_description = "AAC";
1006         else if (m_audioStreams[i].type == atDTS)
1007                 info.m_description = "DTS";
1008         else if (m_audioStreams[i].type == atPCM)
1009                 info.m_description = "PCM";
1010         else if (m_audioStreams[i].type == atOGG)
1011                 info.m_description = "OGG";
1012         else if (m_audioStreams[i].type == atFLAC)
1013                 info.m_description = "FLAC";
1014         else
1015                 info.m_description = "???";*/
1016         if (info.m_language.empty())
1017                 info.m_language = m_audioStreams[i].language_code;
1018         return 0;
1019 }
1020
1021 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1022 {
1023         if (!msg)
1024                 return;
1025         gchar *sourceName;
1026         GstObject *source;
1027
1028         source = GST_MESSAGE_SRC(msg);
1029         sourceName = gst_object_get_name(source);
1030 #if 0
1031         if (gst_message_get_structure(msg))
1032         {
1033                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1034                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1035                 g_free(string);
1036         }
1037         else
1038                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1039 #endif
1040         switch (GST_MESSAGE_TYPE (msg))
1041         {
1042                 case GST_MESSAGE_EOS:
1043                         m_event((iPlayableService*)this, evEOF);
1044                         break;
1045                 case GST_MESSAGE_STATE_CHANGED:
1046                 {
1047                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1048                                 break;
1049
1050                         GstState old_state, new_state;
1051                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1052
1053                         if(old_state == new_state)
1054                                 break;
1055
1056                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1057
1058                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1059
1060                         switch(transition)
1061                         {
1062                                 case GST_STATE_CHANGE_NULL_TO_READY:
1063                                 {
1064                                 }       break;
1065                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1066                                 {
1067                                         GstElement *sink;
1068                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1069                                         if (sink)
1070                                         {
1071                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1072                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1073                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1074                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1075                                                 gst_object_unref(sink);
1076                                         }
1077                                 }       break;
1078                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1079                                 {
1080                                 }       break;
1081                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1082                                 {
1083                                 }       break;
1084                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1085                                 {
1086                                 }       break;
1087                                 case GST_STATE_CHANGE_READY_TO_NULL:
1088                                 {
1089                                 }       break;
1090                         }
1091                         break;
1092                 }
1093                 case GST_MESSAGE_ERROR:
1094                 {
1095                         gchar *debug;
1096                         GError *err;
1097                         gst_message_parse_error (msg, &err, &debug);
1098                         g_free (debug);
1099                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1100                         if ( err->domain == GST_STREAM_ERROR )
1101                         {
1102                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1103                                 {
1104                                         if ( g_strrstr(sourceName, "videosink") )
1105                                                 m_event((iPlayableService*)this, evUser+11);
1106                                         else if ( g_strrstr(sourceName, "audiosink") )
1107                                                 m_event((iPlayableService*)this, evUser+10);
1108                                 }
1109                         }
1110                         g_error_free(err);
1111                         break;
1112                 }
1113                 case GST_MESSAGE_INFO:
1114                 {
1115                         gchar *debug;
1116                         GError *inf;
1117
1118                         gst_message_parse_info (msg, &inf, &debug);
1119                         g_free (debug);
1120                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1121                         {
1122                                 if ( g_strrstr(sourceName, "videosink") )
1123                                         m_event((iPlayableService*)this, evUser+14);
1124                         }
1125                         g_error_free(inf);
1126                         break;
1127                 }
1128                 case GST_MESSAGE_TAG:
1129                 {
1130                         GstTagList *tags, *result;
1131                         gst_message_parse_tag(msg, &tags);
1132
1133                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1134                         if (result)
1135                         {
1136                                 if (m_stream_tags)
1137                                         gst_tag_list_free(m_stream_tags);
1138                                 m_stream_tags = result;
1139                         }
1140
1141                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1142                         if ( gv_image )
1143                         {
1144                                 GstBuffer *buf_image;
1145                                 buf_image = gst_value_get_buffer (gv_image);
1146                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1147                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1148                                 close(fd);
1149                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1150                                 m_event((iPlayableService*)this, evUser+13);
1151                         }
1152                         gst_tag_list_free(tags);
1153                         m_event((iPlayableService*)this, evUpdatedInfo);
1154                         break;
1155                 }
1156                 case GST_MESSAGE_ASYNC_DONE:
1157                 {
1158                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1159                                 break;
1160
1161                         GstTagList *tags;
1162                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1163
1164                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1165                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1166                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1167
1168                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1169
1170                         if ( n_video + n_audio <= 0 )
1171                                 stop();
1172
1173                         active_idx = 0;
1174
1175                         m_audioStreams.clear();
1176                         m_subtitleStreams.clear();
1177
1178                         for (i = 0; i < n_audio; i++)
1179                         {
1180                                 audioStream audio;
1181                                 gchar *g_codec, *g_lang;
1182                                 GstPad* pad = 0;
1183                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1184                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1185                                 if (!caps)
1186                                         continue;
1187                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1188                                 const gchar *g_type = gst_structure_get_name(str);
1189                                 eDebug("AUDIO STRUCT=%s", g_type);
1190                                 audio.type = gstCheckAudioPad(str);
1191                                 g_codec = g_strdup(g_type);
1192                                 g_lang = g_strdup_printf ("und");
1193                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1194                                 if ( tags && gst_is_tag_list(tags) )
1195                                 {
1196                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1197                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1198                                         gst_tag_list_free(tags);
1199                                 }
1200                                 audio.language_code = std::string(g_lang);
1201                                 audio.codec = std::string(g_codec);
1202                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1203                                 m_audioStreams.push_back(audio);
1204                                 g_free (g_lang);
1205                                 g_free (g_codec);
1206                                 gst_caps_unref(caps);
1207                         }
1208
1209                         for (i = 0; i < n_text; i++)
1210                         {
1211                                 gchar *g_lang;
1212 //                              gchar *g_type;
1213 //                              GstPad* pad = 0;
1214 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1215 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1216 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1217 //                              g_type = gst_structure_get_name(str);
1218 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1219                                 subtitleStream subs;
1220                                 subs.type = stPlainText;
1221                                 g_lang = g_strdup_printf ("und");
1222                                 if ( tags && gst_is_tag_list(tags) )
1223                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1224                                 subs.language_code = std::string(g_lang);
1225                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1226                                 m_subtitleStreams.push_back(subs);
1227                                 g_free (g_lang);
1228 //                              g_free (g_type);
1229                         }
1230                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1231                 }
1232                 case GST_MESSAGE_ELEMENT:
1233                 {
1234                         if ( gst_is_missing_plugin_message(msg) )
1235                         {
1236                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1237                                 if ( description )
1238                                 {
1239                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1240                                         g_free(description);
1241                                         m_event((iPlayableService*)this, evUser+12);
1242                                 }
1243                         }
1244                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1245                         {
1246                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1247                                 if ( eventname )
1248                                 {
1249                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1250                                         {
1251                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1252                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1253                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1254                                                 if (strstr(eventname, "Changed"))
1255                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1256                                         }
1257                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1258                                         {
1259                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1260                                                 if (strstr(eventname, "Changed"))
1261                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1262                                         }
1263                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1264                                         {
1265                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1266                                                 if (strstr(eventname, "Changed"))
1267                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1268                                         }
1269                                 }
1270                         }
1271                         break;
1272                 }
1273                 case GST_MESSAGE_BUFFERING:
1274                 {
1275                         GstBufferingMode mode;
1276                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1277                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1278                         m_event((iPlayableService*)this, evBuffering);
1279                 }
1280                 default:
1281                         break;
1282         }
1283         g_free (sourceName);
1284 }
1285
1286 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1287 {
1288         eServiceMP3 *_this = (eServiceMP3*)user_data;
1289         _this->m_pump.send(1);
1290                 /* wake */
1291         return GST_BUS_PASS;
1292 }
1293
1294 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1295 {
1296         if (!structure)
1297                 return atUnknown;
1298
1299         if ( gst_structure_has_name (structure, "audio/mpeg"))
1300         {
1301                 gint mpegversion, layer = -1;
1302                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1303                         return atUnknown;
1304
1305                 switch (mpegversion) {
1306                         case 1:
1307                                 {
1308                                         gst_structure_get_int (structure, "layer", &layer);
1309                                         if ( layer == 3 )
1310                                                 return atMP3;
1311                                         else
1312                                                 return atMPEG;
1313                                         break;
1314                                 }
1315                         case 2:
1316                                 return atAAC;
1317                         case 4:
1318                                 return atAAC;
1319                         default:
1320                                 return atUnknown;
1321                 }
1322         }
1323
1324         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1325                 return atAC3;
1326         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1327                 return atDTS;
1328         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1329                 return atPCM;
1330
1331         return atUnknown;
1332 }
1333
1334 void eServiceMP3::gstPoll(const int &msg)
1335 {
1336                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1337                    us the wakup signal, but likely before it was posted.
1338                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1339
1340                    I need to understand the API a bit more to make this work
1341                    proplerly. */
1342         if (msg == 1)
1343         {
1344                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1345                 GstMessage *message;
1346                 usleep(1);
1347                 while ((message = gst_bus_pop (bus)))
1348                 {
1349                         gstBusCall(bus, message);
1350                         gst_message_unref (message);
1351                 }
1352         }
1353         else
1354                 pullSubtitle();
1355 }
1356
1357 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1358
1359 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1360 {
1361         eServiceMP3 *_this = (eServiceMP3*)user_data;
1362         eSingleLocker l(_this->m_subs_to_pull_lock);
1363         ++_this->m_subs_to_pull;
1364         _this->m_pump.send(2);
1365 }
1366
1367 void eServiceMP3::pullSubtitle()
1368 {
1369         GstElement *sink;
1370         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1371         if (sink)
1372         {
1373                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1374                 {
1375                         GstBuffer *buffer;
1376                         {
1377                                 eSingleLocker l(m_subs_to_pull_lock);
1378                                 --m_subs_to_pull;
1379                                 g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1380                         }
1381                         if (buffer)
1382                         {
1383                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1384                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1385                                 size_t len = GST_BUFFER_SIZE(buffer);
1386                                 unsigned char line[len+1];
1387                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1388                                 line[len] = 0;
1389                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1390                                 ePangoSubtitlePage page;
1391                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1392                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1393                                 page.show_pts = buf_pos / 11111L;
1394                                 page.m_timeout = duration_ns / 1000000;
1395                                 m_subtitle_pages.push_back(page);
1396                                 pushSubtitles();
1397                                 gst_buffer_unref(buffer);
1398                         }
1399                 }
1400                 gst_object_unref(sink);
1401         }
1402         else
1403                 eDebug("no subtitle sink!");
1404 }
1405
1406 void eServiceMP3::pushSubtitles()
1407 {
1408         ePangoSubtitlePage page;
1409         pts_t running_pts;
1410         while ( !m_subtitle_pages.empty() )
1411         {
1412                 getPlayPosition(running_pts);
1413                 page = m_subtitle_pages.front();
1414                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1415                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1416                 if (diff_ms < -100)
1417                 {
1418                         GstFormat fmt = GST_FORMAT_TIME;
1419                         gint64 now;
1420                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1421                         {
1422                                 now /= 11111;
1423                                 diff_ms = abs((now - running_pts) / 90);
1424                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1425                                 if (diff_ms > 100000)
1426                                 {
1427                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1428                                         m_subtitle_sync_timer->start(1000, true);
1429                                         break;
1430                                 }
1431                         }
1432                         else
1433                                 eDebug("query position for decoder/pipeline check failed!");
1434                         eDebug("subtitle to late... drop");
1435                         m_subtitle_pages.pop_front();
1436                 }
1437                 else if ( diff_ms > 20 )
1438                 {
1439 //                      eDebug("start recheck timer");
1440                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1441                         break;
1442                 }
1443                 else // immediate show
1444                 {
1445                         if (m_subtitle_widget)
1446                                 m_subtitle_widget->setPage(page);
1447                         m_subtitle_pages.pop_front();
1448                 }
1449         }
1450         if (m_subtitle_pages.empty())
1451                 pullSubtitle();
1452 }
1453
1454 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1455 {
1456         ePyObject entry;
1457         int tuplesize = PyTuple_Size(tuple);
1458         int pid, type;
1459         gint text_pid = 0;
1460
1461         if (!PyTuple_Check(tuple))
1462                 goto error_out;
1463         if (tuplesize < 1)
1464                 goto error_out;
1465         entry = PyTuple_GET_ITEM(tuple, 1);
1466         if (!PyInt_Check(entry))
1467                 goto error_out;
1468         pid = PyInt_AsLong(entry);
1469         entry = PyTuple_GET_ITEM(tuple, 2);
1470         if (!PyInt_Check(entry))
1471                 goto error_out;
1472         type = PyInt_AsLong(entry);
1473
1474         if (m_currentSubtitleStream != pid)
1475         {
1476                 eSingleLocker l(m_subs_to_pull_lock);
1477                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1478                 m_currentSubtitleStream = pid;
1479                 m_subs_to_pull = 0;
1480                 m_subtitle_pages.clear();
1481         }
1482
1483         m_subtitle_widget = 0;
1484         m_subtitle_widget = new eSubtitleWidget(parent);
1485         m_subtitle_widget->resize(parent->size()); /* full size */
1486
1487         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1488
1489         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1490
1491         return 0;
1492
1493 error_out:
1494         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1495                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1496         return -1;
1497 }
1498
1499 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1500 {
1501         eDebug("eServiceMP3::disableSubtitles");
1502         m_subtitle_pages.clear();
1503         delete m_subtitle_widget;
1504         m_subtitle_widget = 0;
1505         return 0;
1506 }
1507
1508 PyObject *eServiceMP3::getCachedSubtitle()
1509 {
1510 //      eDebug("eServiceMP3::getCachedSubtitle");
1511         Py_RETURN_NONE;
1512 }
1513
1514 PyObject *eServiceMP3::getSubtitleList()
1515 {
1516         eDebug("eServiceMP3::getSubtitleList");
1517
1518         ePyObject l = PyList_New(0);
1519         int stream_count[sizeof(subtype_t)];
1520         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1521                 stream_count[i] = 0;
1522
1523         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1524         {
1525                 subtype_t type = IterSubtitleStream->type;
1526                 ePyObject tuple = PyTuple_New(5);
1527                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1528                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1529                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1530                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1531                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1532                 PyList_Append(l, tuple);
1533                 Py_DECREF(tuple);
1534                 stream_count[type]++;
1535         }
1536         return l;
1537 }
1538
1539 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1540 {
1541         ptr = this;
1542         return 0;
1543 }
1544
1545 PyObject *eServiceMP3::getBufferCharge()
1546 {
1547         ePyObject tuple = PyTuple_New(5);
1548         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1549         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1550         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1551         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1552         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1553         return tuple;
1554 }
1555
1556 int eServiceMP3::setBufferSize(int size)
1557 {
1558         m_buffer_size = size;
1559         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1560         return 0;
1561 }
1562
1563
1564 #else
1565 #warning gstreamer not available, not building media player
1566 #endif