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

   1 #ifdef HAVE_GSTREAMER
   2
   3         /* note: this requires gstreamer 0.10.x and a big list of plugins. */
   4         /* it's currently hardcoded to use a big-endian alsasink as sink. */
   5 #include <lib/base/eerror.h>
   6 #include <lib/base/object.h>
   7 #include <lib/base/ebase.h>
   8 #include <string>
   9 #include <lib/service/servicemp3.h>
  10 #include <lib/service/service.h>
  11 #include <lib/components/file_eraser.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/base/init.h>
  14 #include <gst/gst.h>
  15 #include <gst/pbutils/missing-plugins.h>
  16 #include <sys/stat.h>
  17 /* for subtitles */
  18 #include <lib/gui/esubtitle.h>
  19
  20 // eServiceFactoryMP3
  21
  22 eServiceFactoryMP3::eServiceFactoryMP3()
  23 {
  24         ePtr<eServiceCenter> sc;
  25
  26         eServiceCenter::getPrivInstance(sc);
  27         if (sc)
  28         {
  29                 std::list<std::string> extensions;
  30                 extensions.push_back("mp2");
  31                 extensions.push_back("mp3");
  32                 extensions.push_back("ogg");
  33                 extensions.push_back("mpg");
  34                 extensions.push_back("vob");
  35                 extensions.push_back("wav");
  36                 extensions.push_back("wave");
  37                 extensions.push_back("m4v");
  38                 extensions.push_back("mkv");
  39                 extensions.push_back("avi");
  40                 extensions.push_back("divx");
  41                 extensions.push_back("dat");
  42                 extensions.push_back("flac");
  43                 extensions.push_back("mp4");
  44                 extensions.push_back("mov");
  45                 extensions.push_back("m4a");
  46                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  47         }
  48
  49         m_service_info = new eStaticServiceMP3Info();
  50 }
  51
  52 eServiceFactoryMP3::~eServiceFactoryMP3()
  53 {
  54         ePtr<eServiceCenter> sc;
  55
  56         eServiceCenter::getPrivInstance(sc);
  57         if (sc)
  58                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  59 }
  60
  61 DEFINE_REF(eServiceFactoryMP3)
  62
  63         // iServiceHandler
  64 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  65 {
  66                 // check resources...
  67         ptr = new eServiceMP3(ref);
  68         return 0;
  69 }
  70
  71 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  72 {
  73         ptr=0;
  74         return -1;
  75 }
  76
  77 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  78 {
  79         ptr=0;
  80         return -1;
  81 }
  82
  83 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  84 {
  85         ptr = m_service_info;
  86         return 0;
  87 }
  88
  89 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  90 {
  91         DECLARE_REF(eMP3ServiceOfflineOperations);
  92         eServiceReference m_ref;
  93 public:
  94         eMP3ServiceOfflineOperations(const eServiceReference &ref);
  95
  96         RESULT deleteFromDisk(int simulate);
  97         RESULT getListOfFilenames(std::list<std::string> &);
  98         RESULT reindex();
  99 };
 100
 101 DEFINE_REF(eMP3ServiceOfflineOperations);
 102
 103 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 104 {
 105 }
 106
 107 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 108 {
 109         if (simulate)
 110                 return 0;
 111         else
 112         {
 113                 std::list<std::string> res;
 114                 if (getListOfFilenames(res))
 115                         return -1;
 116
 117                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 118                 if (!eraser)
 119                         eDebug("FATAL !! can't get background file eraser");
 120
 121                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 122                 {
 123                         eDebug("Removing %s...", i->c_str());
 124                         if (eraser)
 125                                 eraser->erase(i->c_str());
 126                         else
 127                                 ::unlink(i->c_str());
 128                 }
 129
 130                 return 0;
 131         }
 132 }
 133
 134 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 135 {
 136         res.clear();
 137         res.push_back(m_ref.path);
 138         return 0;
 139 }
 140
 141 RESULT eMP3ServiceOfflineOperations::reindex()
 142 {
 143         return -1;
 144 }
 145
 146
 147 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 148 {
 149         ptr = new eMP3ServiceOfflineOperations(ref);
 150         return 0;
 151 }
 152
 153 // eStaticServiceMP3Info
 154
 155
 156 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 157 // about unopened files.
 158
 159 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 160 // should have a database backend where ID3-files etc. are cached.
 161 // this would allow listing the mp3 database based on certain filters.
 162
 163 DEFINE_REF(eStaticServiceMP3Info)
 164
 165 eStaticServiceMP3Info::eStaticServiceMP3Info()
 166 {
 167 }
 168
 169 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 170 {
 171         if ( ref.name.length() )
 172                 name = ref.name;
 173         else
 174         {
 175                 size_t last = ref.path.rfind('/');
 176                 if (last != std::string::npos)
 177                         name = ref.path.substr(last+1);
 178                 else
 179                         name = ref.path;
 180         }
 181         return 0;
 182 }
 183
 184 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 185 {
 186         return -1;
 187 }
 188
 189 // eServiceMP3
 190
 191 eServiceMP3::eServiceMP3(eServiceReference ref)
 192         :m_ref(ref), m_pump(eApp, 1)
 193 {
 194         m_seekTimeout = eTimer::create(eApp);
 195         m_subtitle_sync_timer = eTimer::create(eApp);
 196         m_stream_tags = 0;
 197         m_currentAudioStream = -1;
 198         m_currentSubtitleStream = 0;
 199         m_subtitle_widget = 0;
 200         m_currentTrickRatio = 0;
 201         m_subs_to_pull = 0;
 202         m_buffer_size = 1*1024*1024;
 203         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 204         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 205         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 206         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 207
 208         m_state = stIdle;
 209         eDebug("eServiceMP3::construct!");
 210
 211         const char *filename = m_ref.path.c_str();
 212         const char *ext = strrchr(filename, '.');
 213         if (!ext)
 214                 ext = filename;
 215
 216         sourceStream sourceinfo;
 217         sourceinfo.is_video = FALSE;
 218         sourceinfo.audiotype = atUnknown;
 219         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 220         {
 221                 sourceinfo.containertype = ctMPEGPS;
 222                 sourceinfo.is_video = TRUE;
 223         }
 224         else if ( strcasecmp(ext, ".ts") == 0 )
 225         {
 226                 sourceinfo.containertype = ctMPEGTS;
 227                 sourceinfo.is_video = TRUE;
 228         }
 229         else if ( strcasecmp(ext, ".mkv") == 0 )
 230         {
 231                 sourceinfo.containertype = ctMKV;
 232                 sourceinfo.is_video = TRUE;
 233         }
 234         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 235         {
 236                 sourceinfo.containertype = ctAVI;
 237                 sourceinfo.is_video = TRUE;
 238         }
 239         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0 || strcasecmp(ext, ".m4v") == 0)
 240         {
 241                 sourceinfo.containertype = ctMP4;
 242                 sourceinfo.is_video = TRUE;
 243         }
 244         else if ( strcasecmp(ext, ".m4a") == 0 )
 245         {
 246                 sourceinfo.containertype = ctMP4;
 247                 sourceinfo.audiotype = atAAC;
 248         }
 249         else if ( strcasecmp(ext, ".mp3") == 0 )
 250                 sourceinfo.audiotype = atMP3;
 251         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 252                 sourceinfo.containertype = ctCDA;
 253         if ( strcasecmp(ext, ".dat") == 0 )
 254         {
 255                 sourceinfo.containertype = ctVCD;
 256                 sourceinfo.is_video = TRUE;
 257         }
 258         if ( (strncmp(filename, "http://", 7)) == 0 || (strncmp(filename, "udp://", 6)) == 0 || (strncmp(filename, "rtp://", 6)) == 0  || (strncmp(filename, "https://", 8)) == 0 || (strncmp(filename, "mms://", 6)) == 0 || (strncmp(filename, "rtsp://", 7)) == 0 )
 259                 sourceinfo.is_streaming = TRUE;
 260
 261         gchar *uri;
 262
 263         if ( sourceinfo.is_streaming )
 264         {
 265                 uri = g_strdup_printf ("%s", filename);
 266         }
 267         else if ( sourceinfo.containertype == ctCDA )
 268         {
 269                 int i_track = atoi(filename+18);
 270                 uri = g_strdup_printf ("cdda://%i", i_track);
 271         }
 272         else if ( sourceinfo.containertype == ctVCD )
 273         {
 274                 int fd = open(filename,O_RDONLY);
 275                 char tmp[128*1024];
 276                 int ret = read(fd, tmp, 128*1024);
 277                 close(fd);
 278                 if ( ret == -1 ) // this is a "REAL" VCD
 279                         uri = g_strdup_printf ("vcd://");
 280                 else
 281                         uri = g_strdup_printf ("file://%s", filename);
 282         }
 283         else
 284
 285                 uri = g_strdup_printf ("file://%s", filename);
 286
 287         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 288
 289         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 290         if (!m_gst_playbin)
 291                 m_error_message = "failed to create GStreamer pipeline!\n";
 292
 293         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 294
 295         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 296         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 297
 298         g_free(uri);
 299
 300         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 301         if (!subsink)
 302                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 303         else
 304         {
 305                 m_subs_to_pull_handler_id = g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 306                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 307         }
 308
 309         if ( m_gst_playbin )
 310         {
 311                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 312                 char srt_filename[strlen(filename)+1];
 313                 strncpy(srt_filename,filename,strlen(filename)-3);
 314                 srt_filename[strlen(filename)-3]='\0';
 315                 strcat(srt_filename, "srt");
 316                 struct stat buffer;
 317                 if (stat(srt_filename, &buffer) == 0)
 318                 {
 319                         std::string suburi = "file://" + (std::string)srt_filename;
 320                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 321                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 322                         subtitleStream subs;
 323                         subs.type = stSRT;
 324                         subs.language_code = std::string("und");
 325                         m_subtitleStreams.push_back(subs);
 326                 }
 327         } else
 328         {
 329                 m_event((iPlayableService*)this, evUser+12);
 330
 331                 if (m_gst_playbin)
 332                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 333
 334                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 335                 m_gst_playbin = 0;
 336         }
 337
 338         setBufferSize(m_buffer_size);
 339 }
 340
 341 eServiceMP3::~eServiceMP3()
 342 {
 343         // disconnect subtitle callback
 344         GstElement *sink;
 345         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
 346         if (sink)
 347         {
 348                 g_signal_handler_disconnect (sink, m_subs_to_pull_handler_id);
 349                 gst_object_unref(sink);
 350         }
 351
 352         delete m_subtitle_widget;
 353
 354         // disconnect sync handler callback
 355         gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), NULL, NULL);
 356
 357         if (m_state == stRunning)
 358                 stop();
 359
 360         if (m_stream_tags)
 361                 gst_tag_list_free(m_stream_tags);
 362
 363         if (m_gst_playbin)
 364         {
 365                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 366                 eDebug("eServiceMP3::destruct!");
 367         }
 368 }
 369
 370 DEFINE_REF(eServiceMP3);
 371
 372 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 373 {
 374         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 375         return 0;
 376 }
 377
 378 RESULT eServiceMP3::start()
 379 {
 380         ASSERT(m_state == stIdle);
 381
 382         m_state = stRunning;
 383         if (m_gst_playbin)
 384         {
 385                 eDebug("eServiceMP3::starting pipeline");
 386                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 387         }
 388
 389         m_event(this, evStart);
 390
 391         return 0;
 392 }
 393
 394 RESULT eServiceMP3::stop()
 395 {
 396         ASSERT(m_state != stIdle);
 397
 398         if (m_state == stStopped)
 399                 return -1;
 400
 401         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 402         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 403         m_state = stStopped;
 404
 405         return 0;
 406 }
 407
 408 RESULT eServiceMP3::setTarget(int target)
 409 {
 410         return -1;
 411 }
 412
 413 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 414 {
 415         ptr=this;
 416         return 0;
 417 }
 418
 419 RESULT eServiceMP3::setSlowMotion(int ratio)
 420 {
 421         if (!ratio)
 422                 return 0;
 423         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 424         return trickSeek(1/(float)ratio);
 425 }
 426
 427 RESULT eServiceMP3::setFastForward(int ratio)
 428 {
 429         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 430         return trickSeek(ratio);
 431 }
 432
 433 void eServiceMP3::seekTimeoutCB()
 434 {
 435         pts_t ppos, len;
 436         getPlayPosition(ppos);
 437         getLength(len);
 438         ppos += 90000*m_currentTrickRatio;
 439
 440         if (ppos < 0)
 441         {
 442                 ppos = 0;
 443                 m_seekTimeout->stop();
 444         }
 445         if (ppos > len)
 446         {
 447                 ppos = 0;
 448                 stop();
 449                 m_seekTimeout->stop();
 450                 return;
 451         }
 452         seekTo(ppos);
 453 }
 454
 455                 // iPausableService
 456 RESULT eServiceMP3::pause()
 457 {
 458         if (!m_gst_playbin || m_state != stRunning)
 459                 return -1;
 460
 461         gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 462
 463         return 0;
 464 }
 465
 466 RESULT eServiceMP3::unpause()
 467 {
 468         if (!m_gst_playbin || m_state != stRunning)
 469                 return -1;
 470
 471         gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 472
 473         return 0;
 474 }
 475
 476         /* iSeekableService */
 477 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 478 {
 479         ptr = this;
 480         return 0;
 481 }
 482
 483 RESULT eServiceMP3::getLength(pts_t &pts)
 484 {
 485         if (!m_gst_playbin)
 486                 return -1;
 487
 488         if (m_state != stRunning)
 489                 return -1;
 490
 491         GstFormat fmt = GST_FORMAT_TIME;
 492         gint64 len;
 493
 494         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 495                 return -1;
 496                 /* len is in nanoseconds. we have 90 000 pts per second. */
 497
 498         pts = len / 11111;
 499         return 0;
 500 }
 501
 502 RESULT eServiceMP3::seekToImpl(pts_t to)
 503 {
 504                 /* convert pts to nanoseconds */
 505         gint64 time_nanoseconds = to * 11111LL;
 506         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 507                 GST_SEEK_TYPE_SET, time_nanoseconds,
 508                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 509         {
 510                 eDebug("eServiceMP3::seekTo failed");
 511                 return -1;
 512         }
 513
 514         return 0;
 515 }
 516
 517 RESULT eServiceMP3::seekTo(pts_t to)
 518 {
 519         RESULT ret = -1;
 520
 521         if (m_gst_playbin) {
 522                 eSingleLocker l(m_subs_to_pull_lock); // this is needed to dont handle incomming subtitles during seek!
 523                 if (!(ret = seekToImpl(to)))
 524                 {
 525                         m_subtitle_pages.clear();
 526                         m_subs_to_pull = 0;
 527                 }
 528         }
 529
 530         return ret;
 531 }
 532
 533
 534 RESULT eServiceMP3::trickSeek(gdouble ratio)
 535 {
 536         if (!m_gst_playbin)
 537                 return -1;
 538         if (!ratio)
 539                 return seekRelative(0, 0);
 540
 541         GstEvent *s_event;
 542         int flags;
 543         flags = GST_SEEK_FLAG_NONE;
 544         flags |= GST_SEEK_FLAG_FLUSH;
 545 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 546         flags |= GST_SEEK_FLAG_KEY_UNIT;
 547 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 548 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 549
 550         GstFormat fmt = GST_FORMAT_TIME;
 551         gint64 pos, len;
 552         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 553         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 554
 555         if ( ratio >= 0 )
 556         {
 557                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 558
 559                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 560         }
 561         else
 562         {
 563                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)(GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH), GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
 564         }
 565
 566         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 567         {
 568                 eDebug("eServiceMP3::trickSeek failed");
 569                 return -1;
 570         }
 571
 572         return 0;
 573 }
 574
 575
 576 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 577 {
 578         if (!m_gst_playbin)
 579                 return -1;
 580
 581         pts_t ppos;
 582         getPlayPosition(ppos);
 583         ppos += to * direction;
 584         if (ppos < 0)
 585                 ppos = 0;
 586         seekTo(ppos);
 587
 588         return 0;
 589 }
 590
 591 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 592 {
 593         GstFormat fmt = GST_FORMAT_TIME;
 594         gint64 pos;
 595         GstElement *sink;
 596         pts = 0;
 597
 598         if (!m_gst_playbin)
 599                 return -1;
 600         if (m_state != stRunning)
 601                 return -1;
 602
 603         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 604
 605         if (!sink)
 606                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 607
 608         if (!sink)
 609                 return -1;
 610
 611         gchar *name = gst_element_get_name(sink);
 612         gboolean use_get_decoder_time = strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink");
 613         g_free(name);
 614
 615         if (use_get_decoder_time)
 616                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 617
 618         gst_object_unref(sink);
 619
 620         if (!use_get_decoder_time && !gst_element_query_position(m_gst_playbin, &fmt, &pos)) {
 621                 eDebug("gst_element_query_position failed in getPlayPosition");
 622                 return -1;
 623         }
 624
 625         /* pos is in nanoseconds. we have 90 000 pts per second. */
 626         pts = pos / 11111;
 627         return 0;
 628 }
 629
 630 RESULT eServiceMP3::setTrickmode(int trick)
 631 {
 632                 /* trickmode is not yet supported by our dvbmediasinks. */
 633         return -1;
 634 }
 635
 636 RESULT eServiceMP3::isCurrentlySeekable()
 637 {
 638         int ret = 3; // seeking and fast/slow winding possible
 639         GstElement *sink;
 640
 641         if (!m_gst_playbin)
 642                 return 0;
 643         if (m_state != stRunning)
 644                 return 0;
 645
 646         g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 647
 648         // disable fast winding yet when a dvbvideosink or dvbaudiosink is used
 649         // for this we must do some changes on different places.. (gstreamer.. our sinks.. enigma2)
 650         if (sink) {
 651                 ret &= ~2; // only seeking possible
 652                 gst_object_unref(sink);
 653         }
 654         else {
 655                 g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 656                 if (sink) {
 657                         ret &= ~2; // only seeking possible
 658                         gst_object_unref(sink);
 659                 }
 660         }
 661
 662         return ret;
 663 }
 664
 665 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 666 {
 667         i = this;
 668         return 0;
 669 }
 670
 671 RESULT eServiceMP3::getName(std::string &name)
 672 {
 673         std::string title = m_ref.getName();
 674         if (title.empty())
 675         {
 676                 name = m_ref.path;
 677                 size_t n = name.rfind('/');
 678                 if (n != std::string::npos)
 679                         name = name.substr(n + 1);
 680         }
 681         else
 682                 name = title;
 683         return 0;
 684 }
 685
 686
 687 int eServiceMP3::getInfo(int w)
 688 {
 689         const gchar *tag = 0;
 690
 691         switch (w)
 692         {
 693         case sServiceref: return m_ref;
 694         case sVideoHeight: return m_height;
 695         case sVideoWidth: return m_width;
 696         case sFrameRate: return m_framerate;
 697         case sProgressive: return m_progressive;
 698         case sAspect: return m_aspect;
 699         case sTagTitle:
 700         case sTagArtist:
 701         case sTagAlbum:
 702         case sTagTitleSortname:
 703         case sTagArtistSortname:
 704         case sTagAlbumSortname:
 705         case sTagDate:
 706         case sTagComposer:
 707         case sTagGenre:
 708         case sTagComment:
 709         case sTagExtendedComment:
 710         case sTagLocation:
 711         case sTagHomepage:
 712         case sTagDescription:
 713         case sTagVersion:
 714         case sTagISRC:
 715         case sTagOrganization:
 716         case sTagCopyright:
 717         case sTagCopyrightURI:
 718         case sTagContact:
 719         case sTagLicense:
 720         case sTagLicenseURI:
 721         case sTagCodec:
 722         case sTagAudioCodec:
 723         case sTagVideoCodec:
 724         case sTagEncoder:
 725         case sTagLanguageCode:
 726         case sTagKeywords:
 727         case sTagChannelMode:
 728         case sUser+12:
 729                 return resIsString;
 730         case sTagTrackGain:
 731         case sTagTrackPeak:
 732         case sTagAlbumGain:
 733         case sTagAlbumPeak:
 734         case sTagReferenceLevel:
 735         case sTagBeatsPerMinute:
 736         case sTagImage:
 737         case sTagPreviewImage:
 738         case sTagAttachment:
 739                 return resIsPyObject;
 740         case sTagTrackNumber:
 741                 tag = GST_TAG_TRACK_NUMBER;
 742                 break;
 743         case sTagTrackCount:
 744                 tag = GST_TAG_TRACK_COUNT;
 745                 break;
 746         case sTagAlbumVolumeNumber:
 747                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 748                 break;
 749         case sTagAlbumVolumeCount:
 750                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 751                 break;
 752         case sTagBitrate:
 753                 tag = GST_TAG_BITRATE;
 754                 break;
 755         case sTagNominalBitrate:
 756                 tag = GST_TAG_NOMINAL_BITRATE;
 757                 break;
 758         case sTagMinimumBitrate:
 759                 tag = GST_TAG_MINIMUM_BITRATE;
 760                 break;
 761         case sTagMaximumBitrate:
 762                 tag = GST_TAG_MAXIMUM_BITRATE;
 763                 break;
 764         case sTagSerial:
 765                 tag = GST_TAG_SERIAL;
 766                 break;
 767         case sTagEncoderVersion:
 768                 tag = GST_TAG_ENCODER_VERSION;
 769                 break;
 770         case sTagCRC:
 771                 tag = "has-crc";
 772                 break;
 773         default:
 774                 return resNA;
 775         }
 776
 777         if (!m_stream_tags || !tag)
 778                 return 0;
 779
 780         guint value;
 781         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 782                 return (int) value;
 783
 784         return 0;
 785 }
 786
 787 std::string eServiceMP3::getInfoString(int w)
 788 {
 789         if ( !m_stream_tags && w < sUser && w > 26 )
 790                 return "";
 791         const gchar *tag = 0;
 792         switch (w)
 793         {
 794         case sTagTitle:
 795                 tag = GST_TAG_TITLE;
 796                 break;
 797         case sTagArtist:
 798                 tag = GST_TAG_ARTIST;
 799                 break;
 800         case sTagAlbum:
 801                 tag = GST_TAG_ALBUM;
 802                 break;
 803         case sTagTitleSortname:
 804                 tag = GST_TAG_TITLE_SORTNAME;
 805                 break;
 806         case sTagArtistSortname:
 807                 tag = GST_TAG_ARTIST_SORTNAME;
 808                 break;
 809         case sTagAlbumSortname:
 810                 tag = GST_TAG_ALBUM_SORTNAME;
 811                 break;
 812         case sTagDate:
 813                 GDate *date;
 814                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 815                 {
 816                         gchar res[5];
 817                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 818                         return (std::string)res;
 819                 }
 820                 break;
 821         case sTagComposer:
 822                 tag = GST_TAG_COMPOSER;
 823                 break;
 824         case sTagGenre:
 825                 tag = GST_TAG_GENRE;
 826                 break;
 827         case sTagComment:
 828                 tag = GST_TAG_COMMENT;
 829                 break;
 830         case sTagExtendedComment:
 831                 tag = GST_TAG_EXTENDED_COMMENT;
 832                 break;
 833         case sTagLocation:
 834                 tag = GST_TAG_LOCATION;
 835                 break;
 836         case sTagHomepage:
 837                 tag = GST_TAG_HOMEPAGE;
 838                 break;
 839         case sTagDescription:
 840                 tag = GST_TAG_DESCRIPTION;
 841                 break;
 842         case sTagVersion:
 843                 tag = GST_TAG_VERSION;
 844                 break;
 845         case sTagISRC:
 846                 tag = GST_TAG_ISRC;
 847                 break;
 848         case sTagOrganization:
 849                 tag = GST_TAG_ORGANIZATION;
 850                 break;
 851         case sTagCopyright:
 852                 tag = GST_TAG_COPYRIGHT;
 853                 break;
 854         case sTagCopyrightURI:
 855                 tag = GST_TAG_COPYRIGHT_URI;
 856                 break;
 857         case sTagContact:
 858                 tag = GST_TAG_CONTACT;
 859                 break;
 860         case sTagLicense:
 861                 tag = GST_TAG_LICENSE;
 862                 break;
 863         case sTagLicenseURI:
 864                 tag = GST_TAG_LICENSE_URI;
 865                 break;
 866         case sTagCodec:
 867                 tag = GST_TAG_CODEC;
 868                 break;
 869         case sTagAudioCodec:
 870                 tag = GST_TAG_AUDIO_CODEC;
 871                 break;
 872         case sTagVideoCodec:
 873                 tag = GST_TAG_VIDEO_CODEC;
 874                 break;
 875         case sTagEncoder:
 876                 tag = GST_TAG_ENCODER;
 877                 break;
 878         case sTagLanguageCode:
 879                 tag = GST_TAG_LANGUAGE_CODE;
 880                 break;
 881         case sTagKeywords:
 882                 tag = GST_TAG_KEYWORDS;
 883                 break;
 884         case sTagChannelMode:
 885                 tag = "channel-mode";
 886                 break;
 887         case sUser+12:
 888                 return m_error_message;
 889         default:
 890                 return "";
 891         }
 892         if ( !tag )
 893                 return "";
 894         gchar *value;
 895         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 896         {
 897                 std::string res = value;
 898                 g_free(value);
 899                 return res;
 900         }
 901         return "";
 902 }
 903
 904 PyObject *eServiceMP3::getInfoObject(int w)
 905 {
 906         const gchar *tag = 0;
 907         bool isBuffer = false;
 908         switch (w)
 909         {
 910                 case sTagTrackGain:
 911                         tag = GST_TAG_TRACK_GAIN;
 912                         break;
 913                 case sTagTrackPeak:
 914                         tag = GST_TAG_TRACK_PEAK;
 915                         break;
 916                 case sTagAlbumGain:
 917                         tag = GST_TAG_ALBUM_GAIN;
 918                         break;
 919                 case sTagAlbumPeak:
 920                         tag = GST_TAG_ALBUM_PEAK;
 921                         break;
 922                 case sTagReferenceLevel:
 923                         tag = GST_TAG_REFERENCE_LEVEL;
 924                         break;
 925                 case sTagBeatsPerMinute:
 926                         tag = GST_TAG_BEATS_PER_MINUTE;
 927                         break;
 928                 case sTagImage:
 929                         tag = GST_TAG_IMAGE;
 930                         isBuffer = true;
 931                         break;
 932                 case sTagPreviewImage:
 933                         tag = GST_TAG_PREVIEW_IMAGE;
 934                         isBuffer = true;
 935                         break;
 936                 case sTagAttachment:
 937                         tag = GST_TAG_ATTACHMENT;
 938                         isBuffer = true;
 939                         break;
 940                 default:
 941                         break;
 942         }
 943
 944         if ( isBuffer )
 945         {
 946                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 947                 if ( gv_buffer )
 948                 {
 949                         GstBuffer *buffer;
 950                         buffer = gst_value_get_buffer (gv_buffer);
 951                         return PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 952                 }
 953         }
 954         else
 955         {
 956                 gdouble value = 0.0;
 957                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 958                 return PyFloat_FromDouble(value);
 959         }
 960
 961         return 0;
 962 }
 963
 964 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 965 {
 966         ptr = this;
 967         return 0;
 968 }
 969
 970 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 971 {
 972         ptr = this;
 973         return 0;
 974 }
 975
 976 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 977 {
 978         ptr = this;
 979         return 0;
 980 }
 981
 982 int eServiceMP3::getNumberOfTracks()
 983 {
 984         return m_audioStreams.size();
 985 }
 986
 987 int eServiceMP3::getCurrentTrack()
 988 {
 989         if (m_currentAudioStream == -1)
 990                 g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &m_currentAudioStream, NULL);
 991         return m_currentAudioStream;
 992 }
 993
 994 RESULT eServiceMP3::selectTrack(unsigned int i)
 995 {
 996         pts_t ppos;
 997         getPlayPosition(ppos);
 998         ppos -= 90000;
 999         if (ppos < 0)
1000                 ppos = 0;
1001
1002         int ret = selectAudioStream(i);
1003         if (!ret) {
1004                 /* flush */
1005                 seekTo(ppos);
1006         }
1007
1008         return ret;
1009 }
1010
1011 int eServiceMP3::selectAudioStream(int i)
1012 {
1013         int current_audio;
1014         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
1015         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
1016         if ( current_audio == i )
1017         {
1018                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
1019                 m_currentAudioStream = i;
1020                 return 0;
1021         }
1022         return -1;
1023 }
1024
1025 int eServiceMP3::getCurrentChannel()
1026 {
1027         return STEREO;
1028 }
1029
1030 RESULT eServiceMP3::selectChannel(int i)
1031 {
1032         eDebug("eServiceMP3::selectChannel(%i)",i);
1033         return 0;
1034 }
1035
1036 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
1037 {
1038         if (i >= m_audioStreams.size())
1039                 return -2;
1040                 info.m_description = m_audioStreams[i].codec;
1041 /*      if (m_audioStreams[i].type == atMPEG)
1042                 info.m_description = "MPEG";
1043         else if (m_audioStreams[i].type == atMP3)
1044                 info.m_description = "MP3";
1045         else if (m_audioStreams[i].type == atAC3)
1046                 info.m_description = "AC3";
1047         else if (m_audioStreams[i].type == atAAC)
1048                 info.m_description = "AAC";
1049         else if (m_audioStreams[i].type == atDTS)
1050                 info.m_description = "DTS";
1051         else if (m_audioStreams[i].type == atPCM)
1052                 info.m_description = "PCM";
1053         else if (m_audioStreams[i].type == atOGG)
1054                 info.m_description = "OGG";
1055         else if (m_audioStreams[i].type == atFLAC)
1056                 info.m_description = "FLAC";
1057         else
1058                 info.m_description = "???";*/
1059         if (info.m_language.empty())
1060                 info.m_language = m_audioStreams[i].language_code;
1061         return 0;
1062 }
1063
1064 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1065 {
1066         if (!msg)
1067                 return;
1068         gchar *sourceName;
1069         GstObject *source;
1070
1071         source = GST_MESSAGE_SRC(msg);
1072         sourceName = gst_object_get_name(source);
1073 #if 0
1074         if (gst_message_get_structure(msg))
1075         {
1076                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1077                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1078                 g_free(string);
1079         }
1080         else
1081                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1082 #endif
1083         switch (GST_MESSAGE_TYPE (msg))
1084         {
1085                 case GST_MESSAGE_EOS:
1086                         m_event((iPlayableService*)this, evEOF);
1087                         break;
1088                 case GST_MESSAGE_STATE_CHANGED:
1089                 {
1090                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1091                                 break;
1092
1093                         GstState old_state, new_state;
1094                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1095
1096                         if(old_state == new_state)
1097                                 break;
1098
1099                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1100
1101                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1102
1103                         switch(transition)
1104                         {
1105                                 case GST_STATE_CHANGE_NULL_TO_READY:
1106                                 {
1107                                 }       break;
1108                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1109                                 {
1110                                         GstElement *sink;
1111                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1112                                         if (sink)
1113                                         {
1114                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1115                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1116                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1117                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1118                                                 gst_object_unref(sink);
1119                                         }
1120                                 }       break;
1121                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1122                                 {
1123                                 }       break;
1124                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1125                                 {
1126                                 }       break;
1127                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1128                                 {
1129                                 }       break;
1130                                 case GST_STATE_CHANGE_READY_TO_NULL:
1131                                 {
1132                                 }       break;
1133                         }
1134                         break;
1135                 }
1136                 case GST_MESSAGE_ERROR:
1137                 {
1138                         gchar *debug;
1139                         GError *err;
1140                         gst_message_parse_error (msg, &err, &debug);
1141                         g_free (debug);
1142                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1143                         if ( err->domain == GST_STREAM_ERROR )
1144                         {
1145                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1146                                 {
1147                                         if ( g_strrstr(sourceName, "videosink") )
1148                                                 m_event((iPlayableService*)this, evUser+11);
1149                                         else if ( g_strrstr(sourceName, "audiosink") )
1150                                                 m_event((iPlayableService*)this, evUser+10);
1151                                 }
1152                         }
1153                         g_error_free(err);
1154                         break;
1155                 }
1156                 case GST_MESSAGE_INFO:
1157                 {
1158                         gchar *debug;
1159                         GError *inf;
1160
1161                         gst_message_parse_info (msg, &inf, &debug);
1162                         g_free (debug);
1163                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1164                         {
1165                                 if ( g_strrstr(sourceName, "videosink") )
1166                                         m_event((iPlayableService*)this, evUser+14);
1167                         }
1168                         g_error_free(inf);
1169                         break;
1170                 }
1171                 case GST_MESSAGE_TAG:
1172                 {
1173                         GstTagList *tags, *result;
1174                         gst_message_parse_tag(msg, &tags);
1175
1176                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1177                         if (result)
1178                         {
1179                                 if (m_stream_tags)
1180                                         gst_tag_list_free(m_stream_tags);
1181                                 m_stream_tags = result;
1182                         }
1183
1184                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1185                         if ( gv_image )
1186                         {
1187                                 GstBuffer *buf_image;
1188                                 buf_image = gst_value_get_buffer (gv_image);
1189                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1190                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1191                                 close(fd);
1192                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1193                                 m_event((iPlayableService*)this, evUser+13);
1194                         }
1195                         gst_tag_list_free(tags);
1196                         m_event((iPlayableService*)this, evUpdatedInfo);
1197                         break;
1198                 }
1199                 case GST_MESSAGE_ASYNC_DONE:
1200                 {
1201                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1202                                 break;
1203
1204                         GstTagList *tags;
1205                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1206
1207                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1208                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1209                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1210
1211                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1212
1213                         if ( n_video + n_audio <= 0 )
1214                                 stop();
1215
1216                         active_idx = 0;
1217
1218                         m_audioStreams.clear();
1219                         m_subtitleStreams.clear();
1220
1221                         for (i = 0; i < n_audio; i++)
1222                         {
1223                                 audioStream audio;
1224                                 gchar *g_codec, *g_lang;
1225                                 GstPad* pad = 0;
1226                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1227                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1228                                 if (!caps)
1229                                         continue;
1230                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1231                                 const gchar *g_type = gst_structure_get_name(str);
1232                                 eDebug("AUDIO STRUCT=%s", g_type);
1233                                 audio.type = gstCheckAudioPad(str);
1234                                 g_codec = g_strdup(g_type);
1235                                 g_lang = g_strdup_printf ("und");
1236                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1237                                 if ( tags && gst_is_tag_list(tags) )
1238                                 {
1239                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1240                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1241                                         gst_tag_list_free(tags);
1242                                 }
1243                                 audio.language_code = std::string(g_lang);
1244                                 audio.codec = std::string(g_codec);
1245                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1246                                 m_audioStreams.push_back(audio);
1247                                 g_free (g_lang);
1248                                 g_free (g_codec);
1249                                 gst_caps_unref(caps);
1250                         }
1251
1252                         for (i = 0; i < n_text; i++)
1253                         {
1254                                 gchar *g_lang;
1255 //                              gchar *g_type;
1256 //                              GstPad* pad = 0;
1257 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1258 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1259 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1260 //                              g_type = gst_structure_get_name(str);
1261 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1262                                 subtitleStream subs;
1263                                 subs.type = stPlainText;
1264                                 g_lang = g_strdup_printf ("und");
1265                                 if ( tags && gst_is_tag_list(tags) )
1266                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1267                                 subs.language_code = std::string(g_lang);
1268                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1269                                 m_subtitleStreams.push_back(subs);
1270                                 g_free (g_lang);
1271 //                              g_free (g_type);
1272                         }
1273                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1274                 }
1275                 case GST_MESSAGE_ELEMENT:
1276                 {
1277                         if ( gst_is_missing_plugin_message(msg) )
1278                         {
1279                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1280                                 if ( description )
1281                                 {
1282                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1283                                         g_free(description);
1284                                         m_event((iPlayableService*)this, evUser+12);
1285                                 }
1286                         }
1287                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1288                         {
1289                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1290                                 if ( eventname )
1291                                 {
1292                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1293                                         {
1294                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1295                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1296                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1297                                                 if (strstr(eventname, "Changed"))
1298                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1299                                         }
1300                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1301                                         {
1302                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1303                                                 if (strstr(eventname, "Changed"))
1304                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1305                                         }
1306                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1307                                         {
1308                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1309                                                 if (strstr(eventname, "Changed"))
1310                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1311                                         }
1312                                 }
1313                         }
1314                         break;
1315                 }
1316                 case GST_MESSAGE_BUFFERING:
1317                 {
1318                         GstBufferingMode mode;
1319                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1320                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1321                         m_event((iPlayableService*)this, evBuffering);
1322                 }
1323                 default:
1324                         break;
1325         }
1326         g_free (sourceName);
1327 }
1328
1329 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1330 {
1331         eServiceMP3 *_this = (eServiceMP3*)user_data;
1332         _this->m_pump.send(1);
1333                 /* wake */
1334         return GST_BUS_PASS;
1335 }
1336
1337 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1338 {
1339         if (!structure)
1340                 return atUnknown;
1341
1342         if ( gst_structure_has_name (structure, "audio/mpeg"))
1343         {
1344                 gint mpegversion, layer = -1;
1345                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1346                         return atUnknown;
1347
1348                 switch (mpegversion) {
1349                         case 1:
1350                                 {
1351                                         gst_structure_get_int (structure, "layer", &layer);
1352                                         if ( layer == 3 )
1353                                                 return atMP3;
1354                                         else
1355                                                 return atMPEG;
1356                                         break;
1357                                 }
1358                         case 2:
1359                                 return atAAC;
1360                         case 4:
1361                                 return atAAC;
1362                         default:
1363                                 return atUnknown;
1364                 }
1365         }
1366
1367         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1368                 return atAC3;
1369         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1370                 return atDTS;
1371         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1372                 return atPCM;
1373
1374         return atUnknown;
1375 }
1376
1377 void eServiceMP3::gstPoll(const int &msg)
1378 {
1379                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1380                    us the wakup signal, but likely before it was posted.
1381                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1382
1383                    I need to understand the API a bit more to make this work
1384                    proplerly. */
1385         if (msg == 1)
1386         {
1387                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1388                 GstMessage *message;
1389                 usleep(1);
1390                 while ((message = gst_bus_pop (bus)))
1391                 {
1392                         gstBusCall(bus, message);
1393                         gst_message_unref (message);
1394                 }
1395         }
1396         else
1397                 pullSubtitle();
1398 }
1399
1400 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1401
1402 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1403 {
1404         eServiceMP3 *_this = (eServiceMP3*)user_data;
1405         eSingleLocker l(_this->m_subs_to_pull_lock);
1406         ++_this->m_subs_to_pull;
1407         _this->m_pump.send(2);
1408 }
1409
1410 void eServiceMP3::pullSubtitle()
1411 {
1412         GstElement *sink;
1413         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1414         if (sink)
1415         {
1416                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1417                 {
1418                         GstBuffer *buffer;
1419                         {
1420                                 eSingleLocker l(m_subs_to_pull_lock);
1421                                 --m_subs_to_pull;
1422                                 g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1423                         }
1424                         if (buffer)
1425                         {
1426                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1427                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1428                                 size_t len = GST_BUFFER_SIZE(buffer);
1429                                 unsigned char line[len+1];
1430                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1431                                 line[len] = 0;
1432                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1433                                 ePangoSubtitlePage page;
1434                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1435                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1436                                 page.show_pts = buf_pos / 11111L;
1437                                 page.m_timeout = duration_ns / 1000000;
1438                                 m_subtitle_pages.push_back(page);
1439                                 pushSubtitles();
1440                                 gst_buffer_unref(buffer);
1441                         }
1442                 }
1443                 gst_object_unref(sink);
1444         }
1445         else
1446                 eDebug("no subtitle sink!");
1447 }
1448
1449 void eServiceMP3::pushSubtitles()
1450 {
1451         ePangoSubtitlePage page;
1452         pts_t running_pts;
1453         while ( !m_subtitle_pages.empty() )
1454         {
1455                 getPlayPosition(running_pts);
1456                 page = m_subtitle_pages.front();
1457                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1458                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1459                 if (diff_ms < -100)
1460                 {
1461                         GstFormat fmt = GST_FORMAT_TIME;
1462                         gint64 now;
1463                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1464                         {
1465                                 now /= 11111;
1466                                 diff_ms = abs((now - running_pts) / 90);
1467                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1468                                 if (diff_ms > 100000)
1469                                 {
1470                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1471                                         m_subtitle_sync_timer->start(1000, true);
1472                                         break;
1473                                 }
1474                         }
1475                         else
1476                                 eDebug("query position for decoder/pipeline check failed!");
1477                         eDebug("subtitle to late... drop");
1478                         m_subtitle_pages.pop_front();
1479                 }
1480                 else if ( diff_ms > 20 )
1481                 {
1482 //                      eDebug("start recheck timer");
1483                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1484                         break;
1485                 }
1486                 else // immediate show
1487                 {
1488                         if (m_subtitle_widget)
1489                                 m_subtitle_widget->setPage(page);
1490                         m_subtitle_pages.pop_front();
1491                 }
1492         }
1493         if (m_subtitle_pages.empty())
1494                 pullSubtitle();
1495 }
1496
1497 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1498 {
1499         ePyObject entry;
1500         int tuplesize = PyTuple_Size(tuple);
1501         int pid, type;
1502         gint text_pid = 0;
1503
1504         if (!PyTuple_Check(tuple))
1505                 goto error_out;
1506         if (tuplesize < 1)
1507                 goto error_out;
1508         entry = PyTuple_GET_ITEM(tuple, 1);
1509         if (!PyInt_Check(entry))
1510                 goto error_out;
1511         pid = PyInt_AsLong(entry);
1512         entry = PyTuple_GET_ITEM(tuple, 2);
1513         if (!PyInt_Check(entry))
1514                 goto error_out;
1515         type = PyInt_AsLong(entry);
1516
1517         if (m_currentSubtitleStream != pid)
1518         {
1519                 eSingleLocker l(m_subs_to_pull_lock);
1520                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1521                 m_currentSubtitleStream = pid;
1522                 m_subs_to_pull = 0;
1523                 m_subtitle_pages.clear();
1524         }
1525
1526         m_subtitle_widget = 0;
1527         m_subtitle_widget = new eSubtitleWidget(parent);
1528         m_subtitle_widget->resize(parent->size()); /* full size */
1529
1530         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1531
1532         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1533
1534         return 0;
1535
1536 error_out:
1537         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1538                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1539         return -1;
1540 }
1541
1542 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1543 {
1544         eDebug("eServiceMP3::disableSubtitles");
1545         m_subtitle_pages.clear();
1546         delete m_subtitle_widget;
1547         m_subtitle_widget = 0;
1548         return 0;
1549 }
1550
1551 PyObject *eServiceMP3::getCachedSubtitle()
1552 {
1553 //      eDebug("eServiceMP3::getCachedSubtitle");
1554         Py_RETURN_NONE;
1555 }
1556
1557 PyObject *eServiceMP3::getSubtitleList()
1558 {
1559         eDebug("eServiceMP3::getSubtitleList");
1560
1561         ePyObject l = PyList_New(0);
1562         int stream_count[sizeof(subtype_t)];
1563         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1564                 stream_count[i] = 0;
1565
1566         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1567         {
1568                 subtype_t type = IterSubtitleStream->type;
1569                 ePyObject tuple = PyTuple_New(5);
1570                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1571                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1572                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1573                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1574                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1575                 PyList_Append(l, tuple);
1576                 Py_DECREF(tuple);
1577                 stream_count[type]++;
1578         }
1579         return l;
1580 }
1581
1582 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1583 {
1584         ptr = this;
1585         return 0;
1586 }
1587
1588 PyObject *eServiceMP3::getBufferCharge()
1589 {
1590         ePyObject tuple = PyTuple_New(5);
1591         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1592         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1593         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1594         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1595         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1596         return tuple;
1597 }
1598
1599 int eServiceMP3::setBufferSize(int size)
1600 {
1601         m_buffer_size = size;
1602         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1603         return 0;
1604 }
1605
1606
1607 #else
1608 #warning gstreamer not available, not building media player
1609 #endif