code.vuplus.com Git - vuplus_dvbapp/blob - lib/service/servicemp3.cpp

   1 #ifdef HAVE_GSTREAMER
   2
   3         /* note: this requires gstreamer 0.10.x and a big list of plugins. */
   4         /* it's currently hardcoded to use a big-endian alsasink as sink. */
   5 #include <lib/base/eerror.h>
   6 #include <lib/base/object.h>
   7 #include <lib/base/ebase.h>
   8 #include <string>
   9 #include <lib/service/servicemp3.h>
  10 #include <lib/service/service.h>
  11 #include <lib/components/file_eraser.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/base/init.h>
  14 #include <gst/gst.h>
  15 #include <gst/pbutils/missing-plugins.h>
  16 #include <sys/stat.h>
  17 /* for subtitles */
  18 #include <lib/gui/esubtitle.h>
  19
  20 #ifndef GST_SEEK_FLAG_SKIP
  21 #warning Compiling for legacy gstreamer, things will break
  22 #define GST_SEEK_FLAG_SKIP 0
  23 #define GST_TAG_HOMEPAGE ""
  24 #endif
  25
  26 // eServiceFactoryMP3
  27
  28 eServiceFactoryMP3::eServiceFactoryMP3()
  29 {
  30         ePtr<eServiceCenter> sc;
  31
  32         eServiceCenter::getPrivInstance(sc);
  33         if (sc)
  34         {
  35                 std::list<std::string> extensions;
  36                 extensions.push_back("mp2");
  37                 extensions.push_back("mp3");
  38                 extensions.push_back("ogg");
  39                 extensions.push_back("mpg");
  40                 extensions.push_back("vob");
  41                 extensions.push_back("wav");
  42                 extensions.push_back("wave");
  43                 extensions.push_back("mkv");
  44                 extensions.push_back("avi");
  45                 extensions.push_back("divx");
  46                 extensions.push_back("dat");
  47                 extensions.push_back("flac");
  48                 extensions.push_back("mp4");
  49                 extensions.push_back("mov");
  50                 extensions.push_back("m4a");
  51                 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         RESULT reindex();
 105 };
 106
 107 DEFINE_REF(eMP3ServiceOfflineOperations);
 108
 109 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 110 {
 111 }
 112
 113 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 114 {
 115         if (simulate)
 116                 return 0;
 117         else
 118         {
 119                 std::list<std::string> res;
 120                 if (getListOfFilenames(res))
 121                         return -1;
 122
 123                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 124                 if (!eraser)
 125                         eDebug("FATAL !! can't get background file eraser");
 126
 127                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 128                 {
 129                         eDebug("Removing %s...", i->c_str());
 130                         if (eraser)
 131                                 eraser->erase(i->c_str());
 132                         else
 133                                 ::unlink(i->c_str());
 134                 }
 135
 136                 return 0;
 137         }
 138 }
 139
 140 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 141 {
 142         res.clear();
 143         res.push_back(m_ref.path);
 144         return 0;
 145 }
 146
 147 RESULT eMP3ServiceOfflineOperations::reindex()
 148 {
 149         return -1;
 150 }
 151
 152
 153 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 154 {
 155         ptr = new eMP3ServiceOfflineOperations(ref);
 156         return 0;
 157 }
 158
 159 // eStaticServiceMP3Info
 160
 161
 162 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 163 // about unopened files.
 164
 165 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 166 // should have a database backend where ID3-files etc. are cached.
 167 // this would allow listing the mp3 database based on certain filters.
 168
 169 DEFINE_REF(eStaticServiceMP3Info)
 170
 171 eStaticServiceMP3Info::eStaticServiceMP3Info()
 172 {
 173 }
 174
 175 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 176 {
 177         if ( ref.name.length() )
 178                 name = ref.name;
 179         else
 180         {
 181                 size_t last = ref.path.rfind('/');
 182                 if (last != std::string::npos)
 183                         name = ref.path.substr(last+1);
 184                 else
 185                         name = ref.path;
 186         }
 187         return 0;
 188 }
 189
 190 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 191 {
 192         return -1;
 193 }
 194
 195 // eServiceMP3
 196
 197 eServiceMP3::eServiceMP3(eServiceReference ref)
 198         :m_ref(ref), m_pump(eApp, 1)
 199 {
 200         m_seekTimeout = eTimer::create(eApp);
 201         m_subtitle_sync_timer = eTimer::create(eApp);
 202         m_stream_tags = 0;
 203         m_currentAudioStream = 0;
 204         m_currentSubtitleStream = 0;
 205         m_subtitle_widget = 0;
 206         m_currentTrickRatio = 0;
 207         m_subs_to_pull = 0;
 208         m_buffer_size = 1*1024*1024;
 209         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 210         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 211         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 212         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 213
 214         m_state = stIdle;
 215         eDebug("eServiceMP3::construct!");
 216
 217         const char *filename = m_ref.path.c_str();
 218         const char *ext = strrchr(filename, '.');
 219         if (!ext)
 220                 ext = filename;
 221
 222         sourceStream sourceinfo;
 223         sourceinfo.is_video = FALSE;
 224         sourceinfo.audiotype = atUnknown;
 225         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 226         {
 227                 sourceinfo.containertype = ctMPEGPS;
 228                 sourceinfo.is_video = TRUE;
 229         }
 230         else if ( strcasecmp(ext, ".ts") == 0 )
 231         {
 232                 sourceinfo.containertype = ctMPEGTS;
 233                 sourceinfo.is_video = TRUE;
 234         }
 235         else if ( strcasecmp(ext, ".mkv") == 0 )
 236         {
 237                 sourceinfo.containertype = ctMKV;
 238                 sourceinfo.is_video = TRUE;
 239         }
 240         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 241         {
 242                 sourceinfo.containertype = ctAVI;
 243                 sourceinfo.is_video = TRUE;
 244         }
 245         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
 246         {
 247                 sourceinfo.containertype = ctMP4;
 248                 sourceinfo.is_video = TRUE;
 249         }
 250         else if ( strcasecmp(ext, ".m4a") == 0 )
 251         {
 252                 sourceinfo.containertype = ctMP4;
 253                 sourceinfo.audiotype = atAAC;
 254         }
 255         else if ( strcasecmp(ext, ".mp3") == 0 )
 256                 sourceinfo.audiotype = atMP3;
 257         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 258                 sourceinfo.containertype = ctCDA;
 259         if ( strcasecmp(ext, ".dat") == 0 )
 260         {
 261                 sourceinfo.containertype = ctVCD;
 262                 sourceinfo.is_video = TRUE;
 263         }
 264         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 )
 265                 sourceinfo.is_streaming = TRUE;
 266
 267         gchar *uri;
 268
 269         if ( sourceinfo.is_streaming )
 270         {
 271                 uri = g_strdup_printf ("%s", filename);
 272         }
 273         else if ( sourceinfo.containertype == ctCDA )
 274         {
 275                 int i_track = atoi(filename+18);
 276                 uri = g_strdup_printf ("cdda://%i", i_track);
 277         }
 278         else if ( sourceinfo.containertype == ctVCD )
 279         {
 280                 int fd = open(filename,O_RDONLY);
 281                 char tmp[128*1024];
 282                 int ret = read(fd, tmp, 128*1024);
 283                 close(fd);
 284                 if ( ret == -1 ) // this is a "REAL" VCD
 285                         uri = g_strdup_printf ("vcd://");
 286                 else
 287                         uri = g_strdup_printf ("file://%s", filename);
 288         }
 289         else
 290
 291                 uri = g_strdup_printf ("file://%s", filename);
 292
 293         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 294
 295         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 296         if (!m_gst_playbin)
 297                 m_error_message = "failed to create GStreamer pipeline!\n";
 298
 299         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 300
 301         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 302         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 303
 304         g_free(uri);
 305
 306         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 307         if (!subsink)
 308                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 309         else
 310         {
 311                 g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 312                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 313         }
 314
 315         if ( m_gst_playbin )
 316         {
 317                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 318                 char srt_filename[strlen(filename)+1];
 319                 strncpy(srt_filename,filename,strlen(filename)-3);
 320                 srt_filename[strlen(filename)-3]='\0';
 321                 strcat(srt_filename, "srt");
 322                 struct stat buffer;
 323                 if (stat(srt_filename, &buffer) == 0)
 324                 {
 325                         std::string suburi = "file://" + (std::string)srt_filename;
 326                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 327                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 328                         subtitleStream subs;
 329                         subs.type = stSRT;
 330                         subs.language_code = std::string("und");
 331                         m_subtitleStreams.push_back(subs);
 332                 }
 333         } else
 334         {
 335                 m_event((iPlayableService*)this, evUser+12);
 336
 337                 if (m_gst_playbin)
 338                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 339
 340                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 341                 m_gst_playbin = 0;
 342         }
 343
 344         gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 345         setBufferSize(m_buffer_size);
 346 }
 347
 348 eServiceMP3::~eServiceMP3()
 349 {
 350         delete m_subtitle_widget;
 351         if (m_state == stRunning)
 352                 stop();
 353
 354         if (m_stream_tags)
 355                 gst_tag_list_free(m_stream_tags);
 356
 357         if (m_gst_playbin)
 358         {
 359                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 360                 eDebug("eServiceMP3::destruct!");
 361         }
 362 }
 363
 364 DEFINE_REF(eServiceMP3);
 365
 366 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 367 {
 368         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 369         return 0;
 370 }
 371
 372 RESULT eServiceMP3::start()
 373 {
 374         ASSERT(m_state == stIdle);
 375
 376         m_state = stRunning;
 377         if (m_gst_playbin)
 378         {
 379                 eDebug("eServiceMP3::starting pipeline");
 380                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 381         }
 382         m_event(this, evStart);
 383         return 0;
 384 }
 385
 386 RESULT eServiceMP3::stop()
 387 {
 388         ASSERT(m_state != stIdle);
 389         if (m_state == stStopped)
 390                 return -1;
 391         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 392         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 393         m_state = stStopped;
 394         return 0;
 395 }
 396
 397 RESULT eServiceMP3::setTarget(int target)
 398 {
 399         return -1;
 400 }
 401
 402 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 403 {
 404         ptr=this;
 405         return 0;
 406 }
 407
 408 RESULT eServiceMP3::setSlowMotion(int ratio)
 409 {
 410         if (!ratio)
 411                 return 0;
 412         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 413         return trickSeek(1/(float)ratio);
 414 }
 415
 416 RESULT eServiceMP3::setFastForward(int ratio)
 417 {
 418         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 419         return trickSeek(ratio);
 420 }
 421
 422 void eServiceMP3::seekTimeoutCB()
 423 {
 424         pts_t ppos, len;
 425         getPlayPosition(ppos);
 426         getLength(len);
 427         ppos += 90000*m_currentTrickRatio;
 428
 429         if (ppos < 0)
 430         {
 431                 ppos = 0;
 432                 m_seekTimeout->stop();
 433         }
 434         if (ppos > len)
 435         {
 436                 ppos = 0;
 437                 stop();
 438                 m_seekTimeout->stop();
 439                 return;
 440         }
 441         seekTo(ppos);
 442 }
 443
 444                 // iPausableService
 445 RESULT eServiceMP3::pause()
 446 {
 447         if (!m_gst_playbin || m_state != stRunning)
 448                 return -1;
 449         GstStateChangeReturn res = gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 450         if (res == GST_STATE_CHANGE_ASYNC)
 451         {
 452                 pts_t ppos;
 453                 getPlayPosition(ppos);
 454                 seekTo(ppos);
 455         }
 456         return 0;
 457 }
 458
 459 RESULT eServiceMP3::unpause()
 460 {
 461         m_subtitle_pages.clear();
 462         if (!m_gst_playbin || m_state != stRunning)
 463                 return -1;
 464
 465         GstStateChangeReturn res;
 466         res = gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 467         return 0;
 468 }
 469
 470         /* iSeekableService */
 471 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 472 {
 473         ptr = this;
 474         return 0;
 475 }
 476
 477 RESULT eServiceMP3::getLength(pts_t &pts)
 478 {
 479         if (!m_gst_playbin)
 480                 return -1;
 481         if (m_state != stRunning)
 482                 return -1;
 483
 484         GstFormat fmt = GST_FORMAT_TIME;
 485         gint64 len;
 486
 487         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 488                 return -1;
 489                 /* len is in nanoseconds. we have 90 000 pts per second. */
 490
 491         pts = len / 11111;
 492         return 0;
 493 }
 494
 495 RESULT eServiceMP3::seekTo(pts_t to)
 496 {
 497         if (!m_gst_playbin)
 498                 return -1;
 499
 500                 /* convert pts to nanoseconds */
 501         gint64 time_nanoseconds = to * 11111LL;
 502         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 503                 GST_SEEK_TYPE_SET, time_nanoseconds,
 504                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 505         {
 506                 eDebug("eServiceMP3::seekTo failed");
 507                 return -1;
 508         }
 509
 510         m_subtitle_pages.clear();
 511         eSingleLocker l(m_subs_to_pull_lock);
 512         m_subs_to_pull = 0;
 513
 514         return 0;
 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         GstSeekFlags flags;
 526         flags = GST_SEEK_FLAG_NONE;
 527         flags |= GstSeekFlags (GST_SEEK_FLAG_FLUSH);
 528 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 529         flags |= GstSeekFlags (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, 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, 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         gdouble value;
 903         if ( !tag || !m_stream_tags )
 904                 value = 0.0;
 905         PyObject *pyValue;
 906         if ( isBuffer )
 907         {
 908                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 909                 if ( gv_buffer )
 910                 {
 911                         GstBuffer *buffer;
 912                         buffer = gst_value_get_buffer (gv_buffer);
 913                         pyValue = PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 914                 }
 915         }
 916         else
 917         {
 918                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 919                 pyValue = PyFloat_FromDouble(value);
 920         }
 921
 922         return pyValue;
 923 }
 924
 925 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 926 {
 927         ptr = this;
 928         return 0;
 929 }
 930
 931 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 932 {
 933         ptr = this;
 934         return 0;
 935 }
 936
 937 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 938 {
 939         ptr = this;
 940         return 0;
 941 }
 942
 943 int eServiceMP3::getNumberOfTracks()
 944 {
 945         return m_audioStreams.size();
 946 }
 947
 948 int eServiceMP3::getCurrentTrack()
 949 {
 950         return m_currentAudioStream;
 951 }
 952
 953 RESULT eServiceMP3::selectTrack(unsigned int i)
 954 {
 955         int ret = selectAudioStream(i);
 956         /* flush */
 957         pts_t ppos;
 958         getPlayPosition(ppos);
 959         seekTo(ppos);
 960
 961         return ret;
 962 }
 963
 964 int eServiceMP3::selectAudioStream(int i)
 965 {
 966         int current_audio;
 967         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
 968         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
 969         if ( current_audio == i )
 970         {
 971                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
 972                 m_currentAudioStream = i;
 973                 return 0;
 974         }
 975         return -1;
 976 }
 977
 978 int eServiceMP3::getCurrentChannel()
 979 {
 980         return STEREO;
 981 }
 982
 983 RESULT eServiceMP3::selectChannel(int i)
 984 {
 985         eDebug("eServiceMP3::selectChannel(%i)",i);
 986         return 0;
 987 }
 988
 989 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 990 {
 991         if (i >= m_audioStreams.size())
 992                 return -2;
 993                 info.m_description = m_audioStreams[i].codec;
 994 /*      if (m_audioStreams[i].type == atMPEG)
 995                 info.m_description = "MPEG";
 996         else if (m_audioStreams[i].type == atMP3)
 997                 info.m_description = "MP3";
 998         else if (m_audioStreams[i].type == atAC3)
 999                 info.m_description = "AC3";
1000         else if (m_audioStreams[i].type == atAAC)
1001                 info.m_description = "AAC";
1002         else if (m_audioStreams[i].type == atDTS)
1003                 info.m_description = "DTS";
1004         else if (m_audioStreams[i].type == atPCM)
1005                 info.m_description = "PCM";
1006         else if (m_audioStreams[i].type == atOGG)
1007                 info.m_description = "OGG";
1008         else if (m_audioStreams[i].type == atFLAC)
1009                 info.m_description = "FLAC";
1010         else
1011                 info.m_description = "???";*/
1012         if (info.m_language.empty())
1013                 info.m_language = m_audioStreams[i].language_code;
1014         return 0;
1015 }
1016
1017 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1018 {
1019         if (!msg)
1020                 return;
1021         gchar *sourceName;
1022         GstObject *source;
1023
1024         source = GST_MESSAGE_SRC(msg);
1025         sourceName = gst_object_get_name(source);
1026 #if 0
1027         if (gst_message_get_structure(msg))
1028         {
1029                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1030                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1031                 g_free(string);
1032         }
1033         else
1034                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1035 #endif
1036         switch (GST_MESSAGE_TYPE (msg))
1037         {
1038                 case GST_MESSAGE_EOS:
1039                         m_event((iPlayableService*)this, evEOF);
1040                         break;
1041                 case GST_MESSAGE_STATE_CHANGED:
1042                 {
1043                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1044                                 break;
1045
1046                         GstState old_state, new_state;
1047                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1048
1049                         if(old_state == new_state)
1050                                 break;
1051
1052                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1053
1054                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1055
1056                         switch(transition)
1057                         {
1058                                 case GST_STATE_CHANGE_NULL_TO_READY:
1059                                 {
1060                                 }       break;
1061                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1062                                 {
1063                                         GstElement *sink;
1064                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1065                                         if (sink)
1066                                         {
1067                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1068                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1069                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1070                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1071                                                 gst_object_unref(sink);
1072                                         }
1073                                 }       break;
1074                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1075                                 {
1076                                 }       break;
1077                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1078                                 {
1079                                 }       break;
1080                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1081                                 {
1082                                 }       break;
1083                                 case GST_STATE_CHANGE_READY_TO_NULL:
1084                                 {
1085                                 }       break;
1086                         }
1087                         break;
1088                 }
1089                 case GST_MESSAGE_ERROR:
1090                 {
1091                         gchar *debug;
1092                         GError *err;
1093                         gst_message_parse_error (msg, &err, &debug);
1094                         g_free (debug);
1095                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1096                         if ( err->domain == GST_STREAM_ERROR )
1097                         {
1098                                 eDebug("err->code %d", err->code);
1099                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1100                                 {
1101                                         if ( g_strrstr(sourceName, "videosink") )
1102                                                 m_event((iPlayableService*)this, evUser+11);
1103                                         else if ( g_strrstr(sourceName, "audiosink") )
1104                                                 m_event((iPlayableService*)this, evUser+10);
1105                                 }
1106                         }
1107                         g_error_free(err);
1108                         break;
1109                 }
1110                 case GST_MESSAGE_INFO:
1111                 {
1112                         gchar *debug;
1113                         GError *inf;
1114
1115                         gst_message_parse_info (msg, &inf, &debug);
1116                         g_free (debug);
1117                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1118                         {
1119                                 if ( g_strrstr(sourceName, "videosink") )
1120                                         m_event((iPlayableService*)this, evUser+14);
1121                         }
1122                         g_error_free(inf);
1123                         break;
1124                 }
1125                 case GST_MESSAGE_TAG:
1126                 {
1127                         GstTagList *tags, *result;
1128                         gst_message_parse_tag(msg, &tags);
1129
1130                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1131                         if (result)
1132                         {
1133                                 if (m_stream_tags)
1134                                         gst_tag_list_free(m_stream_tags);
1135                                 m_stream_tags = result;
1136                         }
1137
1138                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1139                         if ( gv_image )
1140                         {
1141                                 GstBuffer *buf_image;
1142                                 buf_image = gst_value_get_buffer (gv_image);
1143                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1144                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1145                                 close(fd);
1146                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1147                                 m_event((iPlayableService*)this, evUser+13);
1148                         }
1149                         gst_tag_list_free(tags);
1150                         m_event((iPlayableService*)this, evUpdatedInfo);
1151                         break;
1152                 }
1153                 case GST_MESSAGE_ASYNC_DONE:
1154                 {
1155                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1156                                 break;
1157
1158                         GstTagList *tags;
1159                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1160
1161                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1162                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1163                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1164
1165                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1166
1167                         active_idx = 0;
1168
1169                         m_audioStreams.clear();
1170                         m_subtitleStreams.clear();
1171
1172                         for (i = 0; i < n_audio; i++)
1173                         {
1174                                 audioStream audio;
1175                                 gchar *g_codec, *g_lang;
1176                                 GstPad* pad = 0;
1177                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1178                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1179                                 if (!caps)
1180                                         continue;
1181                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1182                                 gchar *g_type;
1183                                 g_type = gst_structure_get_name(str);
1184                                 eDebug("AUDIO STRUCT=%s", g_type);
1185                                 audio.type = gstCheckAudioPad(str);
1186                                 g_codec = g_strdup(g_type);
1187                                 g_lang = g_strdup_printf ("und");
1188                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1189                                 if ( tags && gst_is_tag_list(tags) )
1190                                 {
1191                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1192                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1193                                         gst_tag_list_free(tags);
1194                                 }
1195                                 audio.language_code = std::string(g_lang);
1196                                 audio.codec = std::string(g_codec);
1197                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1198                                 m_audioStreams.push_back(audio);
1199                                 g_free (g_lang);
1200                                 g_free (g_codec);
1201                                 gst_caps_unref(caps);
1202                         }
1203
1204                         for (i = 0; i < n_text; i++)
1205                         {
1206                                 gchar *g_lang;
1207 //                              gchar *g_type;
1208 //                              GstPad* pad = 0;
1209 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1210 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1211 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1212 //                              g_type = gst_structure_get_name(str);
1213 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1214                                 subtitleStream subs;
1215                                 subs.type = stPlainText;
1216                                 g_lang = g_strdup_printf ("und");
1217                                 if ( tags && gst_is_tag_list(tags) )
1218                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1219                                 subs.language_code = std::string(g_lang);
1220                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1221                                 m_subtitleStreams.push_back(subs);
1222                                 g_free (g_lang);
1223 //                              g_free (g_type);
1224                         }
1225                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1226                 }
1227                 case GST_MESSAGE_ELEMENT:
1228                 {
1229                         if ( gst_is_missing_plugin_message(msg) )
1230                         {
1231                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1232                                 if ( description )
1233                                 {
1234                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1235                                         g_free(description);
1236                                         m_event((iPlayableService*)this, evUser+12);
1237                                 }
1238                         }
1239                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1240                         {
1241                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1242                                 if ( eventname )
1243                                 {
1244                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1245                                         {
1246                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1247                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1248                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1249                                                 if (strstr(eventname, "Changed"))
1250                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1251                                         }
1252                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1253                                         {
1254                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1255                                                 if (strstr(eventname, "Changed"))
1256                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1257                                         }
1258                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1259                                         {
1260                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1261                                                 if (strstr(eventname, "Changed"))
1262                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1263                                         }
1264                                 }
1265                         }
1266                         break;
1267                 }
1268                 case GST_MESSAGE_BUFFERING:
1269                 {
1270                         GstBufferingMode mode;
1271                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1272                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1273                         m_event((iPlayableService*)this, evBuffering);
1274                 }
1275                 default:
1276                         break;
1277         }
1278         g_free (sourceName);
1279 }
1280
1281 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1282 {
1283         eServiceMP3 *_this = (eServiceMP3*)user_data;
1284         _this->m_pump.send(1);
1285                 /* wake */
1286         return GST_BUS_PASS;
1287 }
1288
1289 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1290 {
1291         if (!structure)
1292                 return atUnknown;
1293
1294         if ( gst_structure_has_name (structure, "audio/mpeg"))
1295         {
1296                 gint mpegversion, layer = -1;
1297                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1298                         return atUnknown;
1299
1300                 switch (mpegversion) {
1301                         case 1:
1302                                 {
1303                                         gst_structure_get_int (structure, "layer", &layer);
1304                                         if ( layer == 3 )
1305                                                 return atMP3;
1306                                         else
1307                                                 return atMPEG;
1308                                         break;
1309                                 }
1310                         case 2:
1311                                 return atAAC;
1312                         case 4:
1313                                 return atAAC;
1314                         default:
1315                                 return atUnknown;
1316                 }
1317         }
1318
1319         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1320                 return atAC3;
1321         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1322                 return atDTS;
1323         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1324                 return atPCM;
1325
1326         return atUnknown;
1327 }
1328
1329 void eServiceMP3::gstPoll(const int &msg)
1330 {
1331                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1332                    us the wakup signal, but likely before it was posted.
1333                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1334
1335                    I need to understand the API a bit more to make this work
1336                    proplerly. */
1337         if (msg == 1)
1338         {
1339                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1340                 GstMessage *message;
1341                 usleep(1);
1342                 while ((message = gst_bus_pop (bus)))
1343                 {
1344                         gstBusCall(bus, message);
1345                         gst_message_unref (message);
1346                 }
1347         }
1348         else
1349                 pullSubtitle();
1350 }
1351
1352 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1353
1354 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1355 {
1356         eServiceMP3 *_this = (eServiceMP3*)user_data;
1357         eSingleLocker l(_this->m_subs_to_pull_lock);
1358         ++_this->m_subs_to_pull;
1359         _this->m_pump.send(2);
1360 }
1361
1362 void eServiceMP3::pullSubtitle()
1363 {
1364         GstElement *sink;
1365         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1366         if (sink)
1367         {
1368                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1369                 {
1370                         GstBuffer *buffer;
1371                         {
1372                                 eSingleLocker l(m_subs_to_pull_lock);
1373                                 --m_subs_to_pull;
1374                         }
1375                         g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1376                         if (buffer)
1377                         {
1378                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1379                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1380                                 size_t len = GST_BUFFER_SIZE(buffer);
1381                                 unsigned char line[len+1];
1382                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1383                                 line[len] = 0;
1384                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1385                                 ePangoSubtitlePage page;
1386                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1387                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1388                                 page.show_pts = buf_pos / 11111L;
1389                                 page.m_timeout = duration_ns / 1000000;
1390                                 m_subtitle_pages.push_back(page);
1391                                 pushSubtitles();
1392                                 gst_buffer_unref(buffer);
1393                         }
1394                 }
1395                 gst_object_unref(sink);
1396         }
1397         else
1398                 eDebug("no subtitle sink!");
1399 }
1400
1401 void eServiceMP3::pushSubtitles()
1402 {
1403         ePangoSubtitlePage page;
1404         pts_t running_pts;
1405         while ( !m_subtitle_pages.empty() )
1406         {
1407                 getPlayPosition(running_pts);
1408                 page = m_subtitle_pages.front();
1409                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1410                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1411                 if (diff_ms < -100)
1412                 {
1413                         GstFormat fmt = GST_FORMAT_TIME;
1414                         gint64 now;
1415                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1416                         {
1417                                 now /= 11111;
1418                                 diff_ms = abs((now - running_pts) / 90);
1419                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1420                                 if (diff_ms > 100000)
1421                                 {
1422                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1423                                         m_subtitle_sync_timer->start(1000, true);
1424                                         break;
1425                                 }
1426                         }
1427                         else
1428                                 eDebug("query position for decoder/pipeline check failed!");
1429                         eDebug("subtitle to late... drop");
1430                         m_subtitle_pages.pop_front();
1431                 }
1432                 else if ( diff_ms > 20 )
1433                 {
1434 //                      eDebug("start recheck timer");
1435                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1436                         break;
1437                 }
1438                 else // immediate show
1439                 {
1440                         if (m_subtitle_widget)
1441                                 m_subtitle_widget->setPage(page);
1442                         m_subtitle_pages.pop_front();
1443                 }
1444         }
1445         if (m_subtitle_pages.empty())
1446                 pullSubtitle();
1447 }
1448
1449 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1450 {
1451         ePyObject entry;
1452         int tuplesize = PyTuple_Size(tuple);
1453         int pid, type;
1454         gint text_pid = 0;
1455
1456         if (!PyTuple_Check(tuple))
1457                 goto error_out;
1458         if (tuplesize < 1)
1459                 goto error_out;
1460         entry = PyTuple_GET_ITEM(tuple, 1);
1461         if (!PyInt_Check(entry))
1462                 goto error_out;
1463         pid = PyInt_AsLong(entry);
1464         entry = PyTuple_GET_ITEM(tuple, 2);
1465         if (!PyInt_Check(entry))
1466                 goto error_out;
1467         type = PyInt_AsLong(entry);
1468
1469         if (m_currentSubtitleStream != pid)
1470         {
1471                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1472                 m_currentSubtitleStream = pid;
1473                 eSingleLocker l(m_subs_to_pull_lock);
1474                 m_subs_to_pull = 0;
1475                 m_subtitle_pages.clear();
1476         }
1477
1478         m_subtitle_widget = 0;
1479         m_subtitle_widget = new eSubtitleWidget(parent);
1480         m_subtitle_widget->resize(parent->size()); /* full size */
1481
1482         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1483
1484         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1485
1486
1487         return 0;
1488
1489 error_out:
1490         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1491                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1492         return -1;
1493 }
1494
1495 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1496 {
1497         eDebug("eServiceMP3::disableSubtitles");
1498         m_subtitle_pages.clear();
1499         delete m_subtitle_widget;
1500         m_subtitle_widget = 0;
1501         return 0;
1502 }
1503
1504 PyObject *eServiceMP3::getCachedSubtitle()
1505 {
1506 //      eDebug("eServiceMP3::getCachedSubtitle");
1507         Py_RETURN_NONE;
1508 }
1509
1510 PyObject *eServiceMP3::getSubtitleList()
1511 {
1512         eDebug("eServiceMP3::getSubtitleList");
1513
1514         ePyObject l = PyList_New(0);
1515         int stream_count[sizeof(subtype_t)];
1516         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1517                 stream_count[i] = 0;
1518
1519         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1520         {
1521                 subtype_t type = IterSubtitleStream->type;
1522                 ePyObject tuple = PyTuple_New(5);
1523                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1524                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1525                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1526                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1527                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1528                 PyList_Append(l, tuple);
1529                 Py_DECREF(tuple);
1530                 stream_count[type]++;
1531         }
1532         return l;
1533 }
1534
1535 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1536 {
1537         ptr = this;
1538         return 0;
1539 }
1540
1541 PyObject *eServiceMP3::getBufferCharge()
1542 {
1543         ePyObject tuple = PyTuple_New(5);
1544         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1545         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1546         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1547         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1548         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1549         return tuple;
1550 }
1551
1552 int eServiceMP3::setBufferSize(int size)
1553 {
1554         m_buffer_size = size;
1555         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1556         return 0;
1557 }
1558
1559
1560 #else
1561 #warning gstreamer not available, not building media player
1562 #endif