lib/service/servicemp3.cpp

   1 #ifdef HAVE_GSTREAMER
   2
   3         /* note: this requires gstreamer 0.10.x and a big list of plugins. */
   4         /* it's currently hardcoded to use a big-endian alsasink as sink. */
   5 #include <lib/base/eerror.h>
   6 #include <lib/base/object.h>
   7 #include <lib/base/ebase.h>
   8 #include <string>
   9 #include <lib/service/servicemp3.h>
  10 #include <lib/service/service.h>
  11 #include <lib/components/file_eraser.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/base/init.h>
  14 #include <gst/gst.h>
  15 #include <gst/pbutils/missing-plugins.h>
  16 #include <sys/stat.h>
  17 /* for subtitles */
  18 #include <lib/gui/esubtitle.h>
  19
  20 #ifndef GST_SEEK_FLAG_SKIP
  21 #warning Compiling for legacy gstreamer, things will break
  22 #define GST_SEEK_FLAG_SKIP 0
  23 #define GST_TAG_HOMEPAGE ""
  24 #endif
  25
  26 // eServiceFactoryMP3
  27
  28 eServiceFactoryMP3::eServiceFactoryMP3()
  29 {
  30         ePtr<eServiceCenter> sc;
  31
  32         eServiceCenter::getPrivInstance(sc);
  33         if (sc)
  34         {
  35                 std::list<std::string> extensions;
  36                 extensions.push_back("mp2");
  37                 extensions.push_back("mp3");
  38                 extensions.push_back("ogg");
  39                 extensions.push_back("mpg");
  40                 extensions.push_back("vob");
  41                 extensions.push_back("wav");
  42                 extensions.push_back("wave");
  43                 extensions.push_back("mkv");
  44                 extensions.push_back("avi");
  45                 extensions.push_back("divx");
  46                 extensions.push_back("dat");
  47                 extensions.push_back("flac");
  48                 extensions.push_back("mp4");
  49                 extensions.push_back("mov");
  50                 extensions.push_back("m4a");
  51                 extensions.push_back("m2ts");
  52                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  53         }
  54
  55         m_service_info = new eStaticServiceMP3Info();
  56 }
  57
  58 eServiceFactoryMP3::~eServiceFactoryMP3()
  59 {
  60         ePtr<eServiceCenter> sc;
  61
  62         eServiceCenter::getPrivInstance(sc);
  63         if (sc)
  64                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  65 }
  66
  67 DEFINE_REF(eServiceFactoryMP3)
  68
  69         // iServiceHandler
  70 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  71 {
  72                 // check resources...
  73         ptr = new eServiceMP3(ref);
  74         return 0;
  75 }
  76
  77 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  78 {
  79         ptr=0;
  80         return -1;
  81 }
  82
  83 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  84 {
  85         ptr=0;
  86         return -1;
  87 }
  88
  89 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  90 {
  91         ptr = m_service_info;
  92         return 0;
  93 }
  94
  95 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  96 {
  97         DECLARE_REF(eMP3ServiceOfflineOperations);
  98         eServiceReference m_ref;
  99 public:
 100         eMP3ServiceOfflineOperations(const eServiceReference &ref);
 101
 102         RESULT deleteFromDisk(int simulate);
 103         RESULT getListOfFilenames(std::list<std::string> &);
 104 };
 105
 106 DEFINE_REF(eMP3ServiceOfflineOperations);
 107
 108 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 109 {
 110 }
 111
 112 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 113 {
 114         if (simulate)
 115                 return 0;
 116         else
 117         {
 118                 std::list<std::string> res;
 119                 if (getListOfFilenames(res))
 120                         return -1;
 121
 122                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 123                 if (!eraser)
 124                         eDebug("FATAL !! can't get background file eraser");
 125
 126                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 127                 {
 128                         eDebug("Removing %s...", i->c_str());
 129                         if (eraser)
 130                                 eraser->erase(i->c_str());
 131                         else
 132                                 ::unlink(i->c_str());
 133                 }
 134
 135                 return 0;
 136         }
 137 }
 138
 139 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 140 {
 141         res.clear();
 142         res.push_back(m_ref.path);
 143         return 0;
 144 }
 145
 146
 147 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 148 {
 149         ptr = new eMP3ServiceOfflineOperations(ref);
 150         return 0;
 151 }
 152
 153 // eStaticServiceMP3Info
 154
 155
 156 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 157 // about unopened files.
 158
 159 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 160 // should have a database backend where ID3-files etc. are cached.
 161 // this would allow listing the mp3 database based on certain filters.
 162
 163 DEFINE_REF(eStaticServiceMP3Info)
 164
 165 eStaticServiceMP3Info::eStaticServiceMP3Info()
 166 {
 167 }
 168
 169 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 170 {
 171         if ( ref.name.length() )
 172                 name = ref.name;
 173         else
 174         {
 175                 size_t last = ref.path.rfind('/');
 176                 if (last != std::string::npos)
 177                         name = ref.path.substr(last+1);
 178                 else
 179                         name = ref.path;
 180         }
 181         return 0;
 182 }
 183
 184 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 185 {
 186         return -1;
 187 }
 188
 189 // eServiceMP3
 190
 191 eServiceMP3::eServiceMP3(eServiceReference ref)
 192         :m_ref(ref), m_pump(eApp, 1)
 193 {
 194         m_seekTimeout = eTimer::create(eApp);
 195         m_subtitle_sync_timer = eTimer::create(eApp);
 196         m_stream_tags = 0;
 197         m_currentAudioStream = 0;
 198         m_currentSubtitleStream = 0;
 199         m_subtitle_widget = 0;
 200         m_currentTrickRatio = 0;
 201         m_subs_to_pull = 0;
 202         m_buffer_size = 1*1024*1024;
 203         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 204         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 205         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 206         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 207
 208         m_state = stIdle;
 209         eDebug("eServiceMP3::construct!");
 210
 211         const char *filename = m_ref.path.c_str();
 212         const char *ext = strrchr(filename, '.');
 213         if (!ext)
 214                 ext = filename;
 215
 216         sourceStream sourceinfo;
 217         sourceinfo.is_video = FALSE;
 218         sourceinfo.audiotype = atUnknown;
 219         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 220         {
 221                 sourceinfo.containertype = ctMPEGPS;
 222                 sourceinfo.is_video = TRUE;
 223         }
 224         else if ( strcasecmp(ext, ".ts") == 0 )
 225         {
 226                 sourceinfo.containertype = ctMPEGTS;
 227                 sourceinfo.is_video = TRUE;
 228         }
 229         else if ( strcasecmp(ext, ".mkv") == 0 )
 230         {
 231                 sourceinfo.containertype = ctMKV;
 232                 sourceinfo.is_video = TRUE;
 233         }
 234         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 235         {
 236                 sourceinfo.containertype = ctAVI;
 237                 sourceinfo.is_video = TRUE;
 238         }
 239         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
 240         {
 241                 sourceinfo.containertype = ctMP4;
 242                 sourceinfo.is_video = TRUE;
 243         }
 244         else if ( strcasecmp(ext, ".m4a") == 0 )
 245         {
 246                 sourceinfo.containertype = ctMP4;
 247                 sourceinfo.audiotype = atAAC;
 248         }
 249         else if ( strcasecmp(ext, ".mp3") == 0 )
 250                 sourceinfo.audiotype = atMP3;
 251         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 252                 sourceinfo.containertype = ctCDA;
 253         if ( strcasecmp(ext, ".dat") == 0 )
 254         {
 255                 sourceinfo.containertype = ctVCD;
 256                 sourceinfo.is_video = TRUE;
 257         }
 258         if ( (strncmp(filename, "http://", 7)) == 0 || (strncmp(filename, "udp://", 6)) == 0 || (strncmp(filename, "rtp://", 6)) == 0  || (strncmp(filename, "https://", 8)) == 0 || (strncmp(filename, "mms://", 6)) == 0 || (strncmp(filename, "rtsp://", 7)) == 0 )
 259                 sourceinfo.is_streaming = TRUE;
 260
 261         gchar *uri;
 262
 263         if ( sourceinfo.is_streaming )
 264         {
 265                 uri = g_strdup_printf ("%s", filename);
 266         }
 267         else if ( sourceinfo.containertype == ctCDA )
 268         {
 269                 int i_track = atoi(filename+18);
 270                 uri = g_strdup_printf ("cdda://%i", i_track);
 271         }
 272         else if ( sourceinfo.containertype == ctVCD )
 273         {
 274                 int fd = open(filename,O_RDONLY);
 275                 char tmp[128*1024];
 276                 int ret = read(fd, tmp, 128*1024);
 277                 close(fd);
 278                 if ( ret == -1 ) // this is a "REAL" VCD
 279                         uri = g_strdup_printf ("vcd://");
 280                 else
 281                         uri = g_strdup_printf ("file://%s", filename);
 282         }
 283         else
 284
 285                 uri = g_strdup_printf ("file://%s", filename);
 286
 287         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 288
 289         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 290         if (!m_gst_playbin)
 291                 m_error_message = "failed to create GStreamer pipeline!\n";
 292
 293         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 294
 295         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 296         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 297
 298         g_free(uri);
 299
 300         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 301         if (!subsink)
 302                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 303         else
 304         {
 305                 g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 306                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 307         }
 308
 309         if ( m_gst_playbin )
 310         {
 311                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 312                 char srt_filename[strlen(filename)+1];
 313                 strncpy(srt_filename,filename,strlen(filename)-3);
 314                 srt_filename[strlen(filename)-3]='\0';
 315                 strcat(srt_filename, "srt");
 316                 struct stat buffer;
 317                 if (stat(srt_filename, &buffer) == 0)
 318                 {
 319                         std::string suburi = "file://" + (std::string)srt_filename;
 320                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 321                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 322                         subtitleStream subs;
 323                         subs.type = stSRT;
 324                         subs.language_code = std::string("und");
 325                         m_subtitleStreams.push_back(subs);
 326                 }
 327         } else
 328         {
 329                 m_event((iPlayableService*)this, evUser+12);
 330
 331                 if (m_gst_playbin)
 332                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 333
 334                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 335                 m_gst_playbin = 0;
 336         }
 337
 338         gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 339         setBufferSize(m_buffer_size);
 340 }
 341
 342 eServiceMP3::~eServiceMP3()
 343 {
 344         delete m_subtitle_widget;
 345         if (m_state == stRunning)
 346                 stop();
 347
 348         if (m_stream_tags)
 349                 gst_tag_list_free(m_stream_tags);
 350
 351         if (m_gst_playbin)
 352         {
 353                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 354                 eDebug("eServiceMP3::destruct!");
 355         }
 356 }
 357
 358 DEFINE_REF(eServiceMP3);
 359
 360 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 361 {
 362         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 363         return 0;
 364 }
 365
 366 RESULT eServiceMP3::start()
 367 {
 368         ASSERT(m_state == stIdle);
 369
 370         m_state = stRunning;
 371         if (m_gst_playbin)
 372         {
 373                 eDebug("eServiceMP3::starting pipeline");
 374                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 375         }
 376         m_event(this, evStart);
 377         return 0;
 378 }
 379
 380 RESULT eServiceMP3::stop()
 381 {
 382         ASSERT(m_state != stIdle);
 383         if (m_state == stStopped)
 384                 return -1;
 385         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 386         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 387         m_state = stStopped;
 388         return 0;
 389 }
 390
 391 RESULT eServiceMP3::setTarget(int target)
 392 {
 393         return -1;
 394 }
 395
 396 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 397 {
 398         ptr=this;
 399         return 0;
 400 }
 401
 402 RESULT eServiceMP3::setSlowMotion(int ratio)
 403 {
 404         if (!ratio)
 405                 return 0;
 406         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 407         return trickSeek(1/(float)ratio);
 408 }
 409
 410 RESULT eServiceMP3::setFastForward(int ratio)
 411 {
 412         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 413         return trickSeek(ratio);
 414 }
 415
 416 void eServiceMP3::seekTimeoutCB()
 417 {
 418         pts_t ppos, len;
 419         getPlayPosition(ppos);
 420         getLength(len);
 421         ppos += 90000*m_currentTrickRatio;
 422
 423         if (ppos < 0)
 424         {
 425                 ppos = 0;
 426                 m_seekTimeout->stop();
 427         }
 428         if (ppos > len)
 429         {
 430                 ppos = 0;
 431                 stop();
 432                 m_seekTimeout->stop();
 433                 return;
 434         }
 435         seekTo(ppos);
 436 }
 437
 438                 // iPausableService
 439 RESULT eServiceMP3::pause()
 440 {
 441         if (!m_gst_playbin || m_state != stRunning)
 442                 return -1;
 443         GstStateChangeReturn res = gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 444         if (res == GST_STATE_CHANGE_ASYNC)
 445         {
 446                 pts_t ppos;
 447                 getPlayPosition(ppos);
 448                 seekTo(ppos);
 449         }
 450         return 0;
 451 }
 452
 453 RESULT eServiceMP3::unpause()
 454 {
 455         m_subtitle_pages.clear();
 456         if (!m_gst_playbin || m_state != stRunning)
 457                 return -1;
 458
 459         GstStateChangeReturn res;
 460         res = gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 461         return 0;
 462 }
 463
 464         /* iSeekableService */
 465 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 466 {
 467         ptr = this;
 468         return 0;
 469 }
 470
 471 RESULT eServiceMP3::getLength(pts_t &pts)
 472 {
 473         if (!m_gst_playbin)
 474                 return -1;
 475         if (m_state != stRunning)
 476                 return -1;
 477
 478         GstFormat fmt = GST_FORMAT_TIME;
 479         gint64 len;
 480
 481         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 482                 return -1;
 483                 /* len is in nanoseconds. we have 90 000 pts per second. */
 484
 485         pts = len / 11111;
 486         return 0;
 487 }
 488
 489 RESULT eServiceMP3::seekTo(pts_t to)
 490 {
 491         if (!m_gst_playbin)
 492                 return -1;
 493
 494                 /* convert pts to nanoseconds */
 495         gint64 time_nanoseconds = to * 11111LL;
 496         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 497                 GST_SEEK_TYPE_SET, time_nanoseconds,
 498                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 499         {
 500                 eDebug("eServiceMP3::seekTo failed");
 501                 return -1;
 502         }
 503
 504         m_subtitle_pages.clear();
 505         eSingleLocker l(m_subs_to_pull_lock);
 506         m_subs_to_pull = 0;
 507
 508         return 0;
 509 }
 510
 511 RESULT eServiceMP3::trickSeek(gdouble ratio)
 512 {
 513         if (!m_gst_playbin)
 514                 return -1;
 515         if (!ratio)
 516                 return seekRelative(0, 0);
 517
 518         GstEvent *s_event;
 519         GstSeekFlags flags;
 520         flags = GST_SEEK_FLAG_NONE;
 521         flags |= GstSeekFlags (GST_SEEK_FLAG_FLUSH);
 522 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 523         flags |= GstSeekFlags (GST_SEEK_FLAG_KEY_UNIT);
 524 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 525 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 526
 527         GstFormat fmt = GST_FORMAT_TIME;
 528         gint64 pos, len;
 529         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 530         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 531
 532         if ( ratio >= 0 )
 533         {
 534                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 535
 536                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 537         }
 538         else
 539         {
 540                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
 541         }
 542
 543         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 544         {
 545                 eDebug("eServiceMP3::trickSeek failed");
 546                 return -1;
 547         }
 548
 549         return 0;
 550 }
 551
 552
 553 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 554 {
 555         if (!m_gst_playbin)
 556                 return -1;
 557
 558         pts_t ppos;
 559         getPlayPosition(ppos);
 560         ppos += to * direction;
 561         if (ppos < 0)
 562                 ppos = 0;
 563         seekTo(ppos);
 564
 565         return 0;
 566 }
 567
 568 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 569 {
 570         if (!m_gst_playbin)
 571                 return -1;
 572         if (m_state != stRunning)
 573                 return -1;
 574
 575         GstFormat fmt = GST_FORMAT_TIME;
 576         gint64 pos;
 577         GstElement *sink;
 578         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 579
 580         if (!sink)
 581                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 582
 583         if (!sink)
 584                 return -1;
 585
 586         gchar *name = gst_element_get_name(sink);
 587
 588         if (strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink"))
 589                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 590         else if (!gst_element_query_position(m_gst_playbin, &fmt, &pos))
 591                 return -1;
 592
 593         gst_object_unref(sink);
 594
 595                 /* pos is in nanoseconds. we have 90 000 pts per second. */
 596         pts = pos / 11111;
 597         return 0;
 598 }
 599
 600 RESULT eServiceMP3::setTrickmode(int trick)
 601 {
 602                 /* trickmode is not yet supported by our dvbmediasinks. */
 603         return -1;
 604 }
 605
 606 RESULT eServiceMP3::isCurrentlySeekable()
 607 {
 608         return 1;
 609 }
 610
 611 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 612 {
 613         i = this;
 614         return 0;
 615 }
 616
 617 RESULT eServiceMP3::getName(std::string &name)
 618 {
 619         std::string title = m_ref.getName();
 620         if (title.empty())
 621         {
 622                 name = m_ref.path;
 623                 size_t n = name.rfind('/');
 624                 if (n != std::string::npos)
 625                         name = name.substr(n + 1);
 626         }
 627         else
 628                 name = title;
 629         return 0;
 630 }
 631
 632
 633 int eServiceMP3::getInfo(int w)
 634 {
 635         const gchar *tag = 0;
 636
 637         switch (w)
 638         {
 639         case sServiceref: return m_ref;
 640         case sVideoHeight: return m_height;
 641         case sVideoWidth: return m_width;
 642         case sFrameRate: return m_framerate;
 643         case sProgressive: return m_progressive;
 644         case sAspect: return m_aspect;
 645         case sTagTitle:
 646         case sTagArtist:
 647         case sTagAlbum:
 648         case sTagTitleSortname:
 649         case sTagArtistSortname:
 650         case sTagAlbumSortname:
 651         case sTagDate:
 652         case sTagComposer:
 653         case sTagGenre:
 654         case sTagComment:
 655         case sTagExtendedComment:
 656         case sTagLocation:
 657         case sTagHomepage:
 658         case sTagDescription:
 659         case sTagVersion:
 660         case sTagISRC:
 661         case sTagOrganization:
 662         case sTagCopyright:
 663         case sTagCopyrightURI:
 664         case sTagContact:
 665         case sTagLicense:
 666         case sTagLicenseURI:
 667         case sTagCodec:
 668         case sTagAudioCodec:
 669         case sTagVideoCodec:
 670         case sTagEncoder:
 671         case sTagLanguageCode:
 672         case sTagKeywords:
 673         case sTagChannelMode:
 674         case sUser+12:
 675                 return resIsString;
 676         case sTagTrackGain:
 677         case sTagTrackPeak:
 678         case sTagAlbumGain:
 679         case sTagAlbumPeak:
 680         case sTagReferenceLevel:
 681         case sTagBeatsPerMinute:
 682         case sTagImage:
 683         case sTagPreviewImage:
 684         case sTagAttachment:
 685                 return resIsPyObject;
 686         case sTagTrackNumber:
 687                 tag = GST_TAG_TRACK_NUMBER;
 688                 break;
 689         case sTagTrackCount:
 690                 tag = GST_TAG_TRACK_COUNT;
 691                 break;
 692         case sTagAlbumVolumeNumber:
 693                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 694                 break;
 695         case sTagAlbumVolumeCount:
 696                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 697                 break;
 698         case sTagBitrate:
 699                 tag = GST_TAG_BITRATE;
 700                 break;
 701         case sTagNominalBitrate:
 702                 tag = GST_TAG_NOMINAL_BITRATE;
 703                 break;
 704         case sTagMinimumBitrate:
 705                 tag = GST_TAG_MINIMUM_BITRATE;
 706                 break;
 707         case sTagMaximumBitrate:
 708                 tag = GST_TAG_MAXIMUM_BITRATE;
 709                 break;
 710         case sTagSerial:
 711                 tag = GST_TAG_SERIAL;
 712                 break;
 713         case sTagEncoderVersion:
 714                 tag = GST_TAG_ENCODER_VERSION;
 715                 break;
 716         case sTagCRC:
 717                 tag = "has-crc";
 718                 break;
 719         default:
 720                 return resNA;
 721         }
 722
 723         if (!m_stream_tags || !tag)
 724                 return 0;
 725
 726         guint value;
 727         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 728                 return (int) value;
 729
 730         return 0;
 731 }
 732
 733 std::string eServiceMP3::getInfoString(int w)
 734 {
 735         if ( !m_stream_tags && w < sUser && w > 26 )
 736                 return "";
 737         const gchar *tag = 0;
 738         switch (w)
 739         {
 740         case sTagTitle:
 741                 tag = GST_TAG_TITLE;
 742                 break;
 743         case sTagArtist:
 744                 tag = GST_TAG_ARTIST;
 745                 break;
 746         case sTagAlbum:
 747                 tag = GST_TAG_ALBUM;
 748                 break;
 749         case sTagTitleSortname:
 750                 tag = GST_TAG_TITLE_SORTNAME;
 751                 break;
 752         case sTagArtistSortname:
 753                 tag = GST_TAG_ARTIST_SORTNAME;
 754                 break;
 755         case sTagAlbumSortname:
 756                 tag = GST_TAG_ALBUM_SORTNAME;
 757                 break;
 758         case sTagDate:
 759                 GDate *date;
 760                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 761                 {
 762                         gchar res[5];
 763                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 764                         return (std::string)res;
 765                 }
 766                 break;
 767         case sTagComposer:
 768                 tag = GST_TAG_COMPOSER;
 769                 break;
 770         case sTagGenre:
 771                 tag = GST_TAG_GENRE;
 772                 break;
 773         case sTagComment:
 774                 tag = GST_TAG_COMMENT;
 775                 break;
 776         case sTagExtendedComment:
 777                 tag = GST_TAG_EXTENDED_COMMENT;
 778                 break;
 779         case sTagLocation:
 780                 tag = GST_TAG_LOCATION;
 781                 break;
 782         case sTagHomepage:
 783                 tag = GST_TAG_HOMEPAGE;
 784                 break;
 785         case sTagDescription:
 786                 tag = GST_TAG_DESCRIPTION;
 787                 break;
 788         case sTagVersion:
 789                 tag = GST_TAG_VERSION;
 790                 break;
 791         case sTagISRC:
 792                 tag = GST_TAG_ISRC;
 793                 break;
 794         case sTagOrganization:
 795                 tag = GST_TAG_ORGANIZATION;
 796                 break;
 797         case sTagCopyright:
 798                 tag = GST_TAG_COPYRIGHT;
 799                 break;
 800         case sTagCopyrightURI:
 801                 tag = GST_TAG_COPYRIGHT_URI;
 802                 break;
 803         case sTagContact:
 804                 tag = GST_TAG_CONTACT;
 805                 break;
 806         case sTagLicense:
 807                 tag = GST_TAG_LICENSE;
 808                 break;
 809         case sTagLicenseURI:
 810                 tag = GST_TAG_LICENSE_URI;
 811                 break;
 812         case sTagCodec:
 813                 tag = GST_TAG_CODEC;
 814                 break;
 815         case sTagAudioCodec:
 816                 tag = GST_TAG_AUDIO_CODEC;
 817                 break;
 818         case sTagVideoCodec:
 819                 tag = GST_TAG_VIDEO_CODEC;
 820                 break;
 821         case sTagEncoder:
 822                 tag = GST_TAG_ENCODER;
 823                 break;
 824         case sTagLanguageCode:
 825                 tag = GST_TAG_LANGUAGE_CODE;
 826                 break;
 827         case sTagKeywords:
 828                 tag = GST_TAG_KEYWORDS;
 829                 break;
 830         case sTagChannelMode:
 831                 tag = "channel-mode";
 832                 break;
 833         case sUser+12:
 834                 return m_error_message;
 835         default:
 836                 return "";
 837         }
 838         if ( !tag )
 839                 return "";
 840         gchar *value;
 841         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 842         {
 843                 std::string res = value;
 844                 g_free(value);
 845                 return res;
 846         }
 847         return "";
 848 }
 849
 850 PyObject *eServiceMP3::getInfoObject(int w)
 851 {
 852         const gchar *tag = 0;
 853         bool isBuffer = false;
 854         switch (w)
 855         {
 856                 case sTagTrackGain:
 857                         tag = GST_TAG_TRACK_GAIN;
 858                         break;
 859                 case sTagTrackPeak:
 860                         tag = GST_TAG_TRACK_PEAK;
 861                         break;
 862                 case sTagAlbumGain:
 863                         tag = GST_TAG_ALBUM_GAIN;
 864                         break;
 865                 case sTagAlbumPeak:
 866                         tag = GST_TAG_ALBUM_PEAK;
 867                         break;
 868                 case sTagReferenceLevel:
 869                         tag = GST_TAG_REFERENCE_LEVEL;
 870                         break;
 871                 case sTagBeatsPerMinute:
 872                         tag = GST_TAG_BEATS_PER_MINUTE;
 873                         break;
 874                 case sTagImage:
 875                         tag = GST_TAG_IMAGE;
 876                         isBuffer = true;
 877                         break;
 878                 case sTagPreviewImage:
 879                         tag = GST_TAG_PREVIEW_IMAGE;
 880                         isBuffer = true;
 881                         break;
 882                 case sTagAttachment:
 883                         tag = GST_TAG_ATTACHMENT;
 884                         isBuffer = true;
 885                         break;
 886                 default:
 887                         break;
 888         }
 889         gdouble value;
 890         if ( !tag || !m_stream_tags )
 891                 value = 0.0;
 892         PyObject *pyValue;
 893         if ( isBuffer )
 894         {
 895                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 896                 if ( gv_buffer )
 897                 {
 898                         GstBuffer *buffer;
 899                         buffer = gst_value_get_buffer (gv_buffer);
 900                         pyValue = PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 901                 }
 902         }
 903         else
 904         {
 905                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 906                 pyValue = PyFloat_FromDouble(value);
 907         }
 908
 909         return pyValue;
 910 }
 911
 912 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 913 {
 914         ptr = this;
 915         return 0;
 916 }
 917
 918 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 919 {
 920         ptr = this;
 921         return 0;
 922 }
 923
 924 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 925 {
 926         ptr = this;
 927         return 0;
 928 }
 929
 930 int eServiceMP3::getNumberOfTracks()
 931 {
 932         return m_audioStreams.size();
 933 }
 934
 935 int eServiceMP3::getCurrentTrack()
 936 {
 937         return m_currentAudioStream;
 938 }
 939
 940 RESULT eServiceMP3::selectTrack(unsigned int i)
 941 {
 942         int ret = selectAudioStream(i);
 943         /* flush */
 944         pts_t ppos;
 945         getPlayPosition(ppos);
 946         seekTo(ppos);
 947
 948         return ret;
 949 }
 950
 951 int eServiceMP3::selectAudioStream(int i)
 952 {
 953         int current_audio;
 954         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 955         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 956         if ( current_audio == i )
 957         {
 958                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 959                 m_currentAudioStream = i;
 960                 return 0;
 961         }
 962         return -1;
 963 }
 964
 965 int eServiceMP3::getCurrentChannel()
 966 {
 967         return STEREO;
 968 }
 969
 970 RESULT eServiceMP3::selectChannel(int i)
 971 {
 972         eDebug("eServiceMP3::selectChannel(%i)",i);
 973         return 0;
 974 }
 975
 976 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 977 {
 978         if (i >= m_audioStreams.size())
 979                 return -2;
 980                 info.m_description = m_audioStreams[i].codec;
 981 /*      if (m_audioStreams[i].type == atMPEG)
 982                 info.m_description = "MPEG";
 983         else if (m_audioStreams[i].type == atMP3)
 984                 info.m_description = "MP3";
 985         else if (m_audioStreams[i].type == atAC3)
 986                 info.m_description = "AC3";
 987         else if (m_audioStreams[i].type == atAAC)
 988                 info.m_description = "AAC";
 989         else if (m_audioStreams[i].type == atDTS)
 990                 info.m_description = "DTS";
 991         else if (m_audioStreams[i].type == atPCM)
 992                 info.m_description = "PCM";
 993         else if (m_audioStreams[i].type == atOGG)
 994                 info.m_description = "OGG";
 995         else if (m_audioStreams[i].type == atFLAC)
 996                 info.m_description = "FLAC";
 997         else
 998                 info.m_description = "???";*/
 999         if (info.m_language.empty())
1000                 info.m_language = m_audioStreams[i].language_code;
1001         return 0;
1002 }
1003
1004 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1005 {
1006         if (!msg)
1007                 return;
1008         gchar *sourceName;
1009         GstObject *source;
1010
1011         source = GST_MESSAGE_SRC(msg);
1012         sourceName = gst_object_get_name(source);
1013 #if 0
1014         if (gst_message_get_structure(msg))
1015         {
1016                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1017                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1018                 g_free(string);
1019         }
1020         else
1021                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1022 #endif
1023         switch (GST_MESSAGE_TYPE (msg))
1024         {
1025                 case GST_MESSAGE_EOS:
1026                         m_event((iPlayableService*)this, evEOF);
1027                         break;
1028                 case GST_MESSAGE_STATE_CHANGED:
1029                 {
1030                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1031                         return;
1032
1033                         GstState old_state, new_state;
1034                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1035
1036                         if(old_state == new_state)
1037                                 return;
1038
1039                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1040
1041                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1042
1043                         switch(transition)
1044                         {
1045                                 case GST_STATE_CHANGE_NULL_TO_READY:
1046                                 {
1047                                 }       break;
1048                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1049                                 {
1050                                         GstElement *sink;
1051                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1052                                         if (sink)
1053                                         {
1054                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1055                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1056                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1057                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1058                                                 gst_object_unref(sink);
1059                                         }
1060                                 }       break;
1061                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1062                                 {
1063                                 }       break;
1064                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1065                                 {
1066                                 }       break;
1067                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1068                                 {
1069                                 }       break;
1070                                 case GST_STATE_CHANGE_READY_TO_NULL:
1071                                 {
1072                                 }       break;
1073                         }
1074                         break;
1075                 }
1076                 case GST_MESSAGE_ERROR:
1077                 {
1078                         gchar *debug;
1079                         GError *err;
1080
1081                         gst_message_parse_error (msg, &err, &debug);
1082                         g_free (debug);
1083                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1084                         if ( err->domain == GST_STREAM_ERROR )
1085                         {
1086                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1087                                 {
1088                                         if ( g_strrstr(sourceName, "videosink") )
1089                                                 m_event((iPlayableService*)this, evUser+11);
1090                                         else if ( g_strrstr(sourceName, "audiosink") )
1091                                                 m_event((iPlayableService*)this, evUser+10);
1092                                 }
1093                         }
1094                         g_error_free(err);
1095                         break;
1096                 }
1097                 case GST_MESSAGE_INFO:
1098                 {
1099                         gchar *debug;
1100                         GError *inf;
1101
1102                         gst_message_parse_info (msg, &inf, &debug);
1103                         g_free (debug);
1104                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1105                         {
1106                                 if ( g_strrstr(sourceName, "videosink") )
1107                                         m_event((iPlayableService*)this, evUser+14);
1108                         }
1109                         g_error_free(inf);
1110                         break;
1111                 }
1112                 case GST_MESSAGE_TAG:
1113                 {
1114                         GstTagList *tags, *result;
1115                         gst_message_parse_tag(msg, &tags);
1116
1117                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1118                         if (result)
1119                         {
1120                                 if (m_stream_tags)
1121                                         gst_tag_list_free(m_stream_tags);
1122                                 m_stream_tags = result;
1123                         }
1124
1125                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1126                         if ( gv_image )
1127                         {
1128                                 GstBuffer *buf_image;
1129                                 buf_image = gst_value_get_buffer (gv_image);
1130                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1131                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1132                                 close(fd);
1133                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1134                                 m_event((iPlayableService*)this, evUser+13);
1135                         }
1136                         gst_tag_list_free(tags);
1137                         m_event((iPlayableService*)this, evUpdatedInfo);
1138                         break;
1139                 }
1140                 case GST_MESSAGE_ASYNC_DONE:
1141                 {
1142                         GstTagList *tags;
1143                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1144
1145                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1146                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1147                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1148
1149                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1150
1151                         active_idx = 0;
1152
1153                         m_audioStreams.clear();
1154                         m_subtitleStreams.clear();
1155
1156                         for (i = 0; i < n_audio; i++)
1157                         {
1158                                 audioStream audio;
1159                                 gchar *g_codec, *g_lang;
1160                                 GstPad* pad = 0;
1161                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1162                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1163                                 if (!caps)
1164                                         continue;
1165                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1166                                 gchar *g_type;
1167                                 g_type = gst_structure_get_name(str);
1168                                 eDebug("AUDIO STRUCT=%s", g_type);
1169                                 audio.type = gstCheckAudioPad(str);
1170                                 g_codec = g_strdup(g_type);
1171                                 g_lang = g_strdup_printf ("und");
1172                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1173                                 if ( tags && gst_is_tag_list(tags) )
1174                                 {
1175                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1176                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1177                                         gst_tag_list_free(tags);
1178                                 }
1179                                 audio.language_code = std::string(g_lang);
1180                                 audio.codec = std::string(g_codec);
1181                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1182                                 m_audioStreams.push_back(audio);
1183                                 g_free (g_lang);
1184                                 g_free (g_codec);
1185                                 gst_caps_unref(caps);
1186                         }
1187
1188                         for (i = 0; i < n_text; i++)
1189                         {
1190                                 gchar *g_lang;
1191 //                              gchar *g_type;
1192 //                              GstPad* pad = 0;
1193 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1194 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1195 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1196 //                              g_type = gst_structure_get_name(str);
1197 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1198                                 subtitleStream subs;
1199                                 subs.type = stPlainText;
1200                                 g_lang = g_strdup_printf ("und");
1201                                 if ( tags && gst_is_tag_list(tags) )
1202                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1203                                 subs.language_code = std::string(g_lang);
1204                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1205                                 m_subtitleStreams.push_back(subs);
1206                                 g_free (g_lang);
1207 //                              g_free (g_type);
1208                         }
1209                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1210                 }
1211                 case GST_MESSAGE_ELEMENT:
1212                 {
1213                         if ( gst_is_missing_plugin_message(msg) )
1214                         {
1215                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1216                                 if ( description )
1217                                 {
1218                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1219                                         g_free(description);
1220                                         m_event((iPlayableService*)this, evUser+12);
1221                                 }
1222                         }
1223                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1224                         {
1225                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1226                                 if ( eventname )
1227                                 {
1228                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1229                                         {
1230                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1231                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1232                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1233                                                 if (strstr(eventname, "Changed"))
1234                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1235                                         }
1236                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1237                                         {
1238                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1239                                                 if (strstr(eventname, "Changed"))
1240                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1241                                         }
1242                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1243                                         {
1244                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1245                                                 if (strstr(eventname, "Changed"))
1246                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1247                                         }
1248                                         g_free(eventname);
1249                                 }
1250                         }
1251                         break;
1252                 }
1253                 case GST_MESSAGE_BUFFERING:
1254                 {
1255                         GstBufferingMode mode;
1256                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1257                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1258                         m_event((iPlayableService*)this, evBuffering);
1259                 }
1260                 default:
1261                         break;
1262         }
1263         g_free (sourceName);
1264 }
1265
1266 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1267 {
1268         eServiceMP3 *_this = (eServiceMP3*)user_data;
1269         _this->m_pump.send(1);
1270                 /* wake */
1271         return GST_BUS_PASS;
1272 }
1273
1274 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1275 {
1276         if (!structure)
1277                 return atUnknown;
1278
1279         if ( gst_structure_has_name (structure, "audio/mpeg"))
1280         {
1281                 gint mpegversion, layer = -1;
1282                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1283                         return atUnknown;
1284
1285                 switch (mpegversion) {
1286                         case 1:
1287                                 {
1288                                         gst_structure_get_int (structure, "layer", &layer);
1289                                         if ( layer == 3 )
1290                                                 return atMP3;
1291                                         else
1292                                                 return atMPEG;
1293                                         break;
1294                                 }
1295                         case 2:
1296                                 return atAAC;
1297                         case 4:
1298                                 return atAAC;
1299                         default:
1300                                 return atUnknown;
1301                 }
1302         }
1303
1304         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1305                 return atAC3;
1306         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1307                 return atDTS;
1308         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1309                 return atPCM;
1310
1311         return atUnknown;
1312 }
1313
1314 void eServiceMP3::gstPoll(const int &msg)
1315 {
1316                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1317                    us the wakup signal, but likely before it was posted.
1318                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1319
1320                    I need to understand the API a bit more to make this work
1321                    proplerly. */
1322         if (msg == 1)
1323         {
1324                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1325                 GstMessage *message;
1326                 usleep(1);
1327                 while ((message = gst_bus_pop (bus)))
1328                 {
1329                         gstBusCall(bus, message);
1330                         gst_message_unref (message);
1331                 }
1332         }
1333         else
1334                 pullSubtitle();
1335 }
1336
1337 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1338
1339 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1340 {
1341         eServiceMP3 *_this = (eServiceMP3*)user_data;
1342         eSingleLocker l(_this->m_subs_to_pull_lock);
1343         ++_this->m_subs_to_pull;
1344         _this->m_pump.send(2);
1345 }
1346
1347 void eServiceMP3::pullSubtitle()
1348 {
1349         GstElement *sink;
1350         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1351         if (sink)
1352         {
1353                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1354                 {
1355                         GstBuffer *buffer;
1356                         {
1357                                 eSingleLocker l(m_subs_to_pull_lock);
1358                                 --m_subs_to_pull;
1359                         }
1360                         g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1361                         if (buffer)
1362                         {
1363                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1364                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1365                                 size_t len = GST_BUFFER_SIZE(buffer);
1366                                 unsigned char line[len+1];
1367                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1368                                 line[len] = 0;
1369                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1370                                 ePangoSubtitlePage page;
1371                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1372                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1373                                 page.show_pts = buf_pos / 11111L;
1374                                 page.m_timeout = duration_ns / 1000000;
1375                                 m_subtitle_pages.push_back(page);
1376                                 pushSubtitles();
1377                                 gst_buffer_unref(buffer);
1378                         }
1379                 }
1380                 gst_object_unref(sink);
1381         }
1382         else
1383                 eDebug("no subtitle sink!");
1384 }
1385
1386 void eServiceMP3::pushSubtitles()
1387 {
1388         ePangoSubtitlePage page;
1389         pts_t running_pts;
1390         while ( !m_subtitle_pages.empty() )
1391         {
1392                 getPlayPosition(running_pts);
1393                 page = m_subtitle_pages.front();
1394                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1395                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1396                 if (diff_ms < -100)
1397                 {
1398                         GstFormat fmt = GST_FORMAT_TIME;
1399                         gint64 now;
1400                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1401                         {
1402                                 now /= 11111;
1403                                 diff_ms = abs((now - running_pts) / 90);
1404                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1405                                 if (diff_ms > 100000)
1406                                 {
1407                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1408                                         m_subtitle_sync_timer->start(1000, true);
1409                                         break;
1410                                 }
1411                         }
1412                         else
1413                                 eDebug("query position for decoder/pipeline check failed!");
1414                         eDebug("subtitle to late... drop");
1415                         m_subtitle_pages.pop_front();
1416                 }
1417                 else if ( diff_ms > 20 )
1418                 {
1419 //                      eDebug("start recheck timer");
1420                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1421                         break;
1422                 }
1423                 else // immediate show
1424                 {
1425                         if (m_subtitle_widget)
1426                                 m_subtitle_widget->setPage(page);
1427                         m_subtitle_pages.pop_front();
1428                 }
1429         }
1430         if (m_subtitle_pages.empty())
1431                 pullSubtitle();
1432 }
1433
1434 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1435 {
1436         ePyObject entry;
1437         int tuplesize = PyTuple_Size(tuple);
1438         int pid, type;
1439         gint text_pid = 0;
1440
1441         if (!PyTuple_Check(tuple))
1442                 goto error_out;
1443         if (tuplesize < 1)
1444                 goto error_out;
1445         entry = PyTuple_GET_ITEM(tuple, 1);
1446         if (!PyInt_Check(entry))
1447                 goto error_out;
1448         pid = PyInt_AsLong(entry);
1449         entry = PyTuple_GET_ITEM(tuple, 2);
1450         if (!PyInt_Check(entry))
1451                 goto error_out;
1452         type = PyInt_AsLong(entry);
1453
1454         if (m_currentSubtitleStream != pid)
1455         {
1456                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1457                 m_currentSubtitleStream = pid;
1458                 eSingleLocker l(m_subs_to_pull_lock);
1459                 m_subs_to_pull = 0;
1460                 m_subtitle_pages.clear();
1461         }
1462
1463         m_subtitle_widget = 0;
1464         m_subtitle_widget = new eSubtitleWidget(parent);
1465         m_subtitle_widget->resize(parent->size()); /* full size */
1466
1467         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1468
1469         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1470
1471
1472         return 0;
1473
1474 error_out:
1475         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1476                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1477         return -1;
1478 }
1479
1480 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1481 {
1482         eDebug("eServiceMP3::disableSubtitles");
1483         m_subtitle_pages.clear();
1484         delete m_subtitle_widget;
1485         m_subtitle_widget = 0;
1486         return 0;
1487 }
1488
1489 PyObject *eServiceMP3::getCachedSubtitle()
1490 {
1491 //      eDebug("eServiceMP3::getCachedSubtitle");
1492         Py_RETURN_NONE;
1493 }
1494
1495 PyObject *eServiceMP3::getSubtitleList()
1496 {
1497         eDebug("eServiceMP3::getSubtitleList");
1498
1499         ePyObject l = PyList_New(0);
1500         int stream_count[sizeof(subtype_t)];
1501         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1502                 stream_count[i] = 0;
1503
1504         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1505         {
1506                 subtype_t type = IterSubtitleStream->type;
1507                 ePyObject tuple = PyTuple_New(5);
1508                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1509                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1510                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1511                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1512                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1513                 PyList_Append(l, tuple);
1514                 Py_DECREF(tuple);
1515                 stream_count[type]++;
1516         }
1517         return l;
1518 }
1519
1520 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1521 {
1522         ptr = this;
1523         return 0;
1524 }
1525
1526 PyObject *eServiceMP3::getBufferCharge()
1527 {
1528         ePyObject tuple = PyTuple_New(5);
1529         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1530         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1531         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1532         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1533         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1534         return tuple;
1535 }
1536
1537 int eServiceMP3::setBufferSize(int size)
1538 {
1539         m_buffer_size = size;
1540         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1541         return 0;
1542 }
1543
1544
1545 #else
1546 #warning gstreamer not available, not building media player
1547 #endif