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("mp3");
  31                 extensions.push_back("ogg");
  32                 extensions.push_back("mpg");
  33                 extensions.push_back("vob");
  34                 extensions.push_back("wav");
  35                 extensions.push_back("wave");
  36                 extensions.push_back("mkv");
  37                 extensions.push_back("avi");
  38                 extensions.push_back("dat");
  39                 extensions.push_back("flac");
  40                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  41         }
  42
  43         m_service_info = new eStaticServiceMP3Info();
  44 }
  45
  46 eServiceFactoryMP3::~eServiceFactoryMP3()
  47 {
  48         ePtr<eServiceCenter> sc;
  49
  50         eServiceCenter::getPrivInstance(sc);
  51         if (sc)
  52                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  53 }
  54
  55 DEFINE_REF(eServiceFactoryMP3)
  56
  57         // iServiceHandler
  58 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  59 {
  60                 // check resources...
  61         ptr = new eServiceMP3(ref.path.c_str());
  62         return 0;
  63 }
  64
  65 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  66 {
  67         ptr=0;
  68         return -1;
  69 }
  70
  71 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  72 {
  73         ptr=0;
  74         return -1;
  75 }
  76
  77 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  78 {
  79         ptr = m_service_info;
  80         return 0;
  81 }
  82
  83 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  84 {
  85         DECLARE_REF(eMP3ServiceOfflineOperations);
  86         eServiceReference m_ref;
  87 public:
  88         eMP3ServiceOfflineOperations(const eServiceReference &ref);
  89
  90         RESULT deleteFromDisk(int simulate);
  91         RESULT getListOfFilenames(std::list<std::string> &);
  92 };
  93
  94 DEFINE_REF(eMP3ServiceOfflineOperations);
  95
  96 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
  97 {
  98 }
  99
 100 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 101 {
 102         if (simulate)
 103                 return 0;
 104         else
 105         {
 106                 std::list<std::string> res;
 107                 if (getListOfFilenames(res))
 108                         return -1;
 109
 110                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 111                 if (!eraser)
 112                         eDebug("FATAL !! can't get background file eraser");
 113
 114                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 115                 {
 116                         eDebug("Removing %s...", i->c_str());
 117                         if (eraser)
 118                                 eraser->erase(i->c_str());
 119                         else
 120                                 ::unlink(i->c_str());
 121                 }
 122
 123                 return 0;
 124         }
 125 }
 126
 127 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 128 {
 129         res.clear();
 130         res.push_back(m_ref.path);
 131         return 0;
 132 }
 133
 134
 135 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 136 {
 137         ptr = new eMP3ServiceOfflineOperations(ref);
 138         return 0;
 139 }
 140
 141 // eStaticServiceMP3Info
 142
 143
 144 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 145 // about unopened files.
 146
 147 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 148 // should have a database backend where ID3-files etc. are cached.
 149 // this would allow listing the mp3 database based on certain filters.
 150
 151 DEFINE_REF(eStaticServiceMP3Info)
 152
 153 eStaticServiceMP3Info::eStaticServiceMP3Info()
 154 {
 155 }
 156
 157 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 158 {
 159         size_t last = ref.path.rfind('/');
 160         if (last != std::string::npos)
 161                 name = ref.path.substr(last+1);
 162         else
 163                 name = ref.path;
 164         return 0;
 165 }
 166
 167 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 168 {
 169         return -1;
 170 }
 171
 172 // eServiceMP3
 173
 174 eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eApp, 1)
 175 {
 176         m_stream_tags = 0;
 177         m_audioStreams.clear();
 178         m_subtitleStreams.clear();
 179         m_currentAudioStream = 0;
 180         m_currentSubtitleStream = 0;
 181         m_subtitle_widget = 0;
 182         m_currentTrickRatio = 0;
 183         CONNECT(m_seekTimeout.timeout, eServiceMP3::seekTimeoutCB);
 184         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 185         GstElement *source = 0;
 186
 187         GstElement *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */
 188
 189         GstElement *audio = 0, *switch_audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *videodemux = 0;
 190
 191         m_state = stIdle;
 192         eDebug("SERVICEMP3 construct!");
 193
 194                 /* FIXME: currently, decodebin isn't possible for
 195                    video streams. in that case, make a manual pipeline. */
 196
 197         const char *ext = strrchr(filename, '.');
 198         if (!ext)
 199                 ext = filename;
 200
 201         int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat"));
 202         int is_mpeg_ts = !strcasecmp(ext, ".ts");
 203         int is_matroska = !strcasecmp(ext, ".mkv");
 204         int is_avi = !strcasecmp(ext, ".avi");
 205         int is_mp3 = !strcasecmp(ext, ".mp3"); /* force mp3 instead of decodebin */
 206         int is_video = is_mpeg_ps || is_mpeg_ts || is_matroska || is_avi;
 207         int is_streaming = !strncmp(filename, "http://", 7);
 208         int is_AudioCD = !(strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav"));
 209         int is_VCD = !strcasecmp(ext, ".dat");
 210
 211         eDebug("filename: %s, is_mpeg_ps: %d, is_mpeg_ts: %d, is_video: %d, is_streaming: %d, is_mp3: %d, is_matroska: %d, is_avi: %d, is_AudioCD: %d, is_VCD: %d", filename, is_mpeg_ps, is_mpeg_ts, is_video, is_streaming, is_mp3, is_matroska, is_avi, is_AudioCD, is_VCD);
 212
 213         int is_audio = !is_video;
 214
 215         int all_ok = 0;
 216
 217         m_gst_pipeline = gst_pipeline_new ("mediaplayer");
 218         if (!m_gst_pipeline)
 219                 eWarning("failed to create pipeline");
 220
 221         if (is_AudioCD)
 222         {
 223                 source = gst_element_factory_make ("cdiocddasrc", "cda-source");
 224                 if (source)
 225                         g_object_set (G_OBJECT (source), "device", "/dev/cdroms/cdrom0", NULL);
 226                 else
 227                         is_AudioCD = 0;
 228         }
 229         if ( !is_streaming && !is_AudioCD )
 230                 source = gst_element_factory_make ("filesrc", "file-source");
 231         else if ( is_streaming )
 232         {
 233                 source = gst_element_factory_make ("neonhttpsrc", "http-source");
 234                 if (source)
 235                         g_object_set (G_OBJECT (source), "automatic-redirect", TRUE, NULL);
 236         }
 237
 238         if (!source)
 239                 eWarning("failed to create %s", is_streaming ? "neonhttpsrc" : "filesrc");
 240                                 /* configure source */
 241         else if (!is_AudioCD)
 242                 g_object_set (G_OBJECT (source), "location", filename, NULL);
 243         else
 244         {
 245                 int track = atoi(filename+18);
 246                 eDebug("play audio CD track #%i",track);
 247                 if (track > 0)
 248                         g_object_set (G_OBJECT (source), "track", track, NULL);
 249         }
 250
 251         if (is_audio)
 252         {
 253                         /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */
 254                 const char *decodertype = "decodebin";
 255
 256                 decoder = gst_element_factory_make (decodertype, "decoder");
 257                 if (!decoder)
 258                         eWarning("failed to create %s decoder", decodertype);
 259
 260                 conv = gst_element_factory_make ("audioconvert", "converter");
 261                 if (!conv)
 262                         eWarning("failed to create audioconvert");
 263
 264                 flt = gst_element_factory_make ("capsfilter", "flt");
 265                 if (!flt)
 266                         eWarning("failed to create capsfilter");
 267
 268                         /* for some reasons, we need to set the sample format to depth/width=16, because auto negotiation doesn't work. */
 269                         /* endianness, however, is not required to be set anymore. */
 270                 if (flt)
 271                 {
 272                         GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", /* "endianness", G_TYPE_INT, 4321, */ "depth", G_TYPE_INT, 16, "width", G_TYPE_INT, 16, /*"channels", G_TYPE_INT, 2, */(char*)0);
 273                         g_object_set (G_OBJECT (flt), "caps", caps, (char*)0);
 274                         gst_caps_unref(caps);
 275                 }
 276
 277                 sink = gst_element_factory_make ("alsasink", "alsa-output");
 278                 if (!sink)
 279                         eWarning("failed to create osssink");
 280
 281                 if (source && decoder && conv && sink)
 282                         all_ok = 1;
 283         } else /* is_video */
 284         {
 285                         /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink
 286                                                    | queue_video -> dvbvideosink */
 287
 288                 audio = gst_element_factory_make("dvbaudiosink", "audiosink");
 289                 queue_audio = gst_element_factory_make("queue", "queue_audio");
 290
 291                 video = gst_element_factory_make("dvbvideosink", "videosink");
 292                 queue_video = gst_element_factory_make("queue", "queue_video");
 293
 294                 if (is_mpeg_ps)
 295                         videodemux = gst_element_factory_make("flupsdemux", "videodemux");
 296                 else if (is_mpeg_ts)
 297                         videodemux = gst_element_factory_make("flutsdemux", "videodemux");
 298                 else if (is_matroska)
 299                         videodemux = gst_element_factory_make("matroskademux", "videodemux");
 300                 else if (is_avi)
 301                         videodemux = gst_element_factory_make("avidemux", "videodemux");
 302
 303                 if (!videodemux)
 304                 {
 305                         eDebug("fluendo mpegdemux not available, falling back to mpegdemux\n");
 306                         videodemux = gst_element_factory_make("mpegdemux", "videodemux");
 307                 }
 308
 309                 eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, videodemux %p", audio, queue_audio, video, queue_video, videodemux);
 310                 if (audio && queue_audio && video && queue_video && videodemux)
 311                 {
 312                         g_object_set (G_OBJECT (queue_audio), "max-size-bytes", 256*1024, NULL);
 313                         g_object_set (G_OBJECT (queue_audio), "max-size-buffers", 0, NULL);
 314                         g_object_set (G_OBJECT (queue_audio), "max-size-time", (guint64)0, NULL);
 315                         g_object_set (G_OBJECT (queue_video), "max-size-buffers", 0, NULL);
 316                         g_object_set (G_OBJECT (queue_video), "max-size-bytes", 2*1024*1024, NULL);
 317                         g_object_set (G_OBJECT (queue_video), "max-size-time", (guint64)0, NULL);
 318                         all_ok = 1;
 319                 }
 320         }
 321
 322         if (m_gst_pipeline && all_ok)
 323         {
 324                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this);
 325
 326                 if (is_AudioCD)
 327                 {
 328                         queue_audio = gst_element_factory_make("queue", "queue_audio");
 329                         g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL);
 330                         gst_bin_add_many (GST_BIN (m_gst_pipeline), source, queue_audio, conv, sink, NULL);
 331                         gst_element_link_many(source, queue_audio, conv, sink, NULL);
 332                 }
 333                 else if (is_audio)
 334                 {
 335                         queue_audio = gst_element_factory_make("queue", "queue_audio");
 336
 337                         g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this);
 338                         g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this);
 339
 340                         if (!is_mp3)
 341                                 g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL);
 342
 343                                 /* gst_bin will take the 'floating references' */
 344                         gst_bin_add_many (GST_BIN (m_gst_pipeline),
 345                                                 source, queue_audio, decoder, NULL);
 346
 347                                 /* in decodebin's case we can just connect the source with the decodebin, and decodebin will take care about id3demux (or whatever is required) */
 348                         gst_element_link_many(source, queue_audio, decoder, NULL);
 349
 350                                 /* create audio bin with the audioconverter, the capsfilter and the audiosink */
 351                         audio = gst_bin_new ("audiobin");
 352
 353                         GstPad *audiopad = gst_element_get_static_pad (conv, "sink");
 354                         gst_bin_add_many(GST_BIN(audio), conv, flt, sink, (char*)0);
 355                         gst_element_link_many(conv, flt, sink, (char*)0);
 356                         gst_element_add_pad(audio, gst_ghost_pad_new ("sink", audiopad));
 357                         gst_object_unref(audiopad);
 358                         gst_bin_add (GST_BIN(m_gst_pipeline), audio);
 359                                 /* in mad's case, we can directly connect the decoder to the audiobin. otherwise, we do this in gstCBnewPad */
 360                         if (is_mp3)
 361                                 gst_element_link(decoder, audio);
 362
 363                 } else /* is_video */
 364                 {
 365                         char srt_filename[strlen(filename)+1];
 366                         strncpy(srt_filename,filename,strlen(filename)-3);
 367                         srt_filename[strlen(filename)-3]='\0';
 368                         strcat(srt_filename, "srt");
 369                         struct stat buffer;
 370                         if (stat(srt_filename, &buffer) == 0)
 371                         {
 372                                 eDebug("subtitle file found: %s",srt_filename);
 373                                 GstElement *subsource = gst_element_factory_make ("filesrc", "srt_source");
 374                                 g_object_set (G_OBJECT (subsource), "location", srt_filename, NULL);
 375                                 GstElement *parser = gst_element_factory_make("subparse", "parse_subtitles");
 376                                 GstElement *switch_subtitles = gst_element_factory_make ("input-selector", "switch_subtitles");
 377                                 GstElement *sink = gst_element_factory_make("fakesink", "sink_subtitles");
 378                                 gst_bin_add_many(GST_BIN (m_gst_pipeline), subsource, switch_subtitles, parser, sink, NULL);
 379                                 gst_element_link(subsource, switch_subtitles);
 380                                 gst_element_link(switch_subtitles, parser);
 381                                 gst_element_link(parser, sink);
 382                                 g_object_set (G_OBJECT(switch_subtitles), "select-all", TRUE, NULL);
 383                                 g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
 384                                 g_object_set (G_OBJECT(sink), "sync", TRUE, NULL);
 385                                 g_object_set (G_OBJECT(parser), "subtitle-encoding", "ISO-8859-15", NULL);
 386                                 g_signal_connect(sink, "handoff", G_CALLBACK(gstCBsubtitleAvail), this);
 387                                 subtitleStream subs;
 388                                 subs.language_code = std::string(".srt file");
 389                                 m_subtitleStreams.push_back(subs);
 390                         }
 391                         gst_bin_add_many(GST_BIN(m_gst_pipeline), source, videodemux, audio, queue_audio, video, queue_video, NULL);
 392                         switch_audio = gst_element_factory_make ("input-selector", "switch_audio");
 393                         if (switch_audio)
 394                         {
 395                                 g_object_set (G_OBJECT (switch_audio), "select-all", TRUE, NULL);
 396                                 gst_bin_add(GST_BIN(m_gst_pipeline), switch_audio);
 397                                 gst_element_link(switch_audio, queue_audio);
 398                         }
 399
 400                         if (is_VCD)
 401                         {
 402                                 GstElement *cdxaparse = gst_element_factory_make("cdxaparse", "cdxaparse");
 403                                 gst_bin_add(GST_BIN(m_gst_pipeline), cdxaparse);
 404                                 gst_element_link(source, cdxaparse);
 405                                 gst_element_link(cdxaparse, videodemux);
 406                         }
 407                         else
 408                                 gst_element_link(source, videodemux);
 409                         gst_element_link(queue_audio, audio);
 410                         gst_element_link(queue_video, video);
 411                         g_signal_connect(videodemux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
 412                 }
 413         } else
 414         {
 415                 if (m_gst_pipeline)
 416                         gst_object_unref(GST_OBJECT(m_gst_pipeline));
 417                 if (source)
 418                         gst_object_unref(GST_OBJECT(source));
 419                 if (decoder)
 420                         gst_object_unref(GST_OBJECT(decoder));
 421                 if (conv)
 422                         gst_object_unref(GST_OBJECT(conv));
 423                 if (sink)
 424                         gst_object_unref(GST_OBJECT(sink));
 425
 426                 if (audio)
 427                         gst_object_unref(GST_OBJECT(audio));
 428                 if (queue_audio)
 429                         gst_object_unref(GST_OBJECT(queue_audio));
 430                 if (video)
 431                         gst_object_unref(GST_OBJECT(video));
 432                 if (queue_video)
 433                         gst_object_unref(GST_OBJECT(queue_video));
 434                 if (videodemux)
 435                         gst_object_unref(GST_OBJECT(videodemux));
 436                 if (switch_audio)
 437                         gst_object_unref(GST_OBJECT(switch_audio));
 438
 439                 eDebug("sorry, can't play.");
 440                 m_gst_pipeline = 0;
 441         }
 442
 443         gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
 444 }
 445
 446 eServiceMP3::~eServiceMP3()
 447 {
 448         delete m_subtitle_widget;
 449         if (m_state == stRunning)
 450                 stop();
 451
 452         if (m_stream_tags)
 453                 gst_tag_list_free(m_stream_tags);
 454
 455         if (m_gst_pipeline)
 456         {
 457                 gst_object_unref (GST_OBJECT (m_gst_pipeline));
 458                 eDebug("SERVICEMP3 destruct!");
 459         }
 460 }
 461
 462 DEFINE_REF(eServiceMP3);
 463
 464 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 465 {
 466         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 467         return 0;
 468 }
 469
 470 RESULT eServiceMP3::start()
 471 {
 472         assert(m_state == stIdle);
 473
 474         m_state = stRunning;
 475         if (m_gst_pipeline)
 476         {
 477                 eDebug("starting pipeline");
 478                 gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
 479         }
 480         m_event(this, evStart);
 481         return 0;
 482 }
 483
 484 RESULT eServiceMP3::stop()
 485 {
 486         assert(m_state != stIdle);
 487         if (m_state == stStopped)
 488                 return -1;
 489         eDebug("MP3: %s stop\n", m_filename.c_str());
 490         gst_element_set_state(m_gst_pipeline, GST_STATE_NULL);
 491         m_state = stStopped;
 492         return 0;
 493 }
 494
 495 RESULT eServiceMP3::setTarget(int target)
 496 {
 497         return -1;
 498 }
 499
 500 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 501 {
 502         ptr=this;
 503         return 0;
 504 }
 505
 506 RESULT eServiceMP3::setSlowMotion(int ratio)
 507 {
 508         /* we can't do slomo yet */
 509         return -1;
 510 }
 511
 512 RESULT eServiceMP3::setFastForward(int ratio)
 513 {
 514         m_currentTrickRatio = ratio;
 515         if (ratio)
 516                 m_seekTimeout.start(1000, 0);
 517         else
 518                 m_seekTimeout.stop();
 519         return 0;
 520 }
 521
 522 void eServiceMP3::seekTimeoutCB()
 523 {
 524         pts_t ppos, len;
 525         getPlayPosition(ppos);
 526         getLength(len);
 527         ppos += 90000*m_currentTrickRatio;
 528
 529         if (ppos < 0)
 530         {
 531                 ppos = 0;
 532                 m_seekTimeout.stop();
 533         }
 534         if (ppos > len)
 535         {
 536                 ppos = 0;
 537                 stop();
 538                 m_seekTimeout.stop();
 539                 return;
 540         }
 541         seekTo(ppos);
 542 }
 543
 544                 // iPausableService
 545 RESULT eServiceMP3::pause()
 546 {
 547         if (!m_gst_pipeline)
 548                 return -1;
 549         GstStateChangeReturn res = gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
 550         if (res == GST_STATE_CHANGE_ASYNC)
 551         {
 552                 pts_t ppos;
 553                 getPlayPosition(ppos);
 554                 seekTo(ppos);
 555         }
 556         return 0;
 557 }
 558
 559 RESULT eServiceMP3::unpause()
 560 {
 561         if (!m_gst_pipeline)
 562                 return -1;
 563
 564         GstStateChangeReturn res;
 565         res = gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
 566         return 0;
 567 }
 568
 569         /* iSeekableService */
 570 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 571 {
 572         ptr = this;
 573         return 0;
 574 }
 575
 576 RESULT eServiceMP3::getLength(pts_t &pts)
 577 {
 578         if (!m_gst_pipeline)
 579                 return -1;
 580         if (m_state != stRunning)
 581                 return -1;
 582
 583         GstFormat fmt = GST_FORMAT_TIME;
 584         gint64 len;
 585
 586         if (!gst_element_query_duration(m_gst_pipeline, &fmt, &len))
 587                 return -1;
 588
 589                 /* len is in nanoseconds. we have 90 000 pts per second. */
 590
 591         pts = len / 11111;
 592         return 0;
 593 }
 594
 595 RESULT eServiceMP3::seekTo(pts_t to)
 596 {
 597         if (!m_gst_pipeline)
 598                 return -1;
 599
 600                 /* convert pts to nanoseconds */
 601         gint64 time_nanoseconds = to * 11111LL;
 602         if (!gst_element_seek (m_gst_pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 603                 GST_SEEK_TYPE_SET, time_nanoseconds,
 604                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 605         {
 606                 eDebug("SEEK failed");
 607                 return -1;
 608         }
 609         return 0;
 610 }
 611
 612 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 613 {
 614         if (!m_gst_pipeline)
 615                 return -1;
 616
 617         pts_t ppos;
 618         getPlayPosition(ppos);
 619         ppos += to * direction;
 620         if (ppos < 0)
 621                 ppos = 0;
 622         seekTo(ppos);
 623
 624         return 0;
 625 }
 626
 627 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 628 {
 629         if (!m_gst_pipeline)
 630                 return -1;
 631         if (m_state != stRunning)
 632                 return -1;
 633
 634         GstFormat fmt = GST_FORMAT_TIME;
 635         gint64 len;
 636
 637         if (!gst_element_query_position(m_gst_pipeline, &fmt, &len))
 638                 return -1;
 639
 640                 /* len is in nanoseconds. we have 90 000 pts per second. */
 641         pts = len / 11111;
 642         return 0;
 643 }
 644
 645 RESULT eServiceMP3::setTrickmode(int trick)
 646 {
 647                 /* trickmode is not yet supported by our dvbmediasinks. */
 648         return -1;
 649 }
 650
 651 RESULT eServiceMP3::isCurrentlySeekable()
 652 {
 653         return 1;
 654 }
 655
 656 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 657 {
 658         i = this;
 659         return 0;
 660 }
 661
 662 RESULT eServiceMP3::getName(std::string &name)
 663 {
 664         name = m_filename;
 665         size_t n = name.rfind('/');
 666         if (n != std::string::npos)
 667                 name = name.substr(n + 1);
 668         return 0;
 669 }
 670
 671 int eServiceMP3::getInfo(int w)
 672 {
 673         gchar *tag = 0;
 674
 675         switch (w)
 676         {
 677         case sTitle:
 678         case sArtist:
 679         case sAlbum:
 680         case sComment:
 681         case sTracknumber:
 682         case sGenre:
 683         case sVideoType:
 684         case sUser+12:
 685                 return resIsString;
 686         case sCurrentTitle:
 687                 tag = GST_TAG_TRACK_NUMBER;
 688                 break;
 689         case sTotalTitles:
 690                 tag = GST_TAG_TRACK_COUNT;
 691                 break;
 692         default:
 693                 return resNA;
 694         }
 695
 696         if (!m_stream_tags || !tag)
 697                 return 0;
 698
 699         guint value;
 700         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 701                 return (int) value;
 702
 703         return 0;
 704
 705 }
 706
 707 std::string eServiceMP3::getInfoString(int w)
 708 {
 709         gchar *tag = 0;
 710         switch (w)
 711         {
 712         case sTitle:
 713                 tag = GST_TAG_TITLE;
 714                 break;
 715         case sArtist:
 716                 tag = GST_TAG_ARTIST;
 717                 break;
 718         case sAlbum:
 719                 tag = GST_TAG_ALBUM;
 720                 break;
 721         case sComment:
 722                 tag = GST_TAG_COMMENT;
 723                 break;
 724         case sTracknumber:
 725                 tag = GST_TAG_TRACK_NUMBER;
 726                 break;
 727         case sGenre:
 728                 tag = GST_TAG_GENRE;
 729                 break;
 730         case sVideoType:
 731                 tag = GST_TAG_VIDEO_CODEC;
 732                 break;
 733         case sUser+12:
 734                 return m_error_message;
 735         default:
 736                 return "";
 737         }
 738
 739         if (!m_stream_tags || !tag)
 740                 return "";
 741
 742         gchar *value;
 743
 744         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 745         {
 746                 std::string res = value;
 747                 g_free(value);
 748                 return res;
 749         }
 750
 751         return "";
 752 }
 753
 754 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 755 {
 756         ptr = this;
 757         return 0;
 758 }
 759
 760 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 761 {
 762         ptr = this;
 763         return 0;
 764 }
 765
 766 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 767 {
 768         ptr = this;
 769         return 0;
 770 }
 771
 772 int eServiceMP3::getNumberOfTracks()
 773 {
 774         return m_audioStreams.size();
 775 }
 776
 777 int eServiceMP3::getCurrentTrack()
 778 {
 779         return m_currentAudioStream;
 780 }
 781
 782 RESULT eServiceMP3::selectTrack(unsigned int i)
 783 {
 784         int ret = selectAudioStream(i);
 785         /* flush */
 786         pts_t ppos;
 787         getPlayPosition(ppos);
 788         seekTo(ppos);
 789
 790         return ret;
 791 }
 792
 793 int eServiceMP3::selectAudioStream(int i)
 794 {
 795         gint nb_sources;
 796         GstPad *active_pad;
 797         GstElement *switch_audio = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_audio");
 798         if ( !switch_audio )
 799         {
 800                 eDebug("can't switch audio tracks! gst-plugin-selector needed");
 801                 return -1;
 802         }
 803         g_object_get (G_OBJECT (switch_audio), "n-pads", &nb_sources, NULL);
 804         if ( (unsigned int)i >= m_audioStreams.size() || i >= nb_sources || (unsigned int)m_currentAudioStream >= m_audioStreams.size() )
 805                 return -2;
 806         char sinkpad[8];
 807         sprintf(sinkpad, "sink%d", i);
 808         g_object_set (G_OBJECT (switch_audio), "active-pad", gst_element_get_pad (switch_audio, sinkpad), NULL);
 809         g_object_get (G_OBJECT (switch_audio), "active-pad", &active_pad, NULL);
 810         gchar *name;
 811         name = gst_pad_get_name (active_pad);
 812         eDebug ("switched audio to (%s)", name);
 813         g_free(name);
 814         m_currentAudioStream = i;
 815         return 0;
 816 }
 817
 818 int eServiceMP3::getCurrentChannel()
 819 {
 820         return STEREO;
 821 }
 822
 823 RESULT eServiceMP3::selectChannel(int i)
 824 {
 825         eDebug("eServiceMP3::selectChannel(%i)",i);
 826         return 0;
 827 }
 828
 829 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 830 {
 831 //      eDebug("eServiceMP3::getTrackInfo(&info, %i)",i);
 832         if (i >= m_audioStreams.size())
 833                 return -2;
 834         if (m_audioStreams[i].type == atMPEG)
 835                 info.m_description = "MPEG";
 836         else if (m_audioStreams[i].type == atMP3)
 837                 info.m_description = "MP3";
 838         else if (m_audioStreams[i].type == atAC3)
 839                 info.m_description = "AC3";
 840         else if (m_audioStreams[i].type == atAAC)
 841                 info.m_description = "AAC";
 842         else if (m_audioStreams[i].type == atDTS)
 843                 info.m_description = "DTS";
 844         else if (m_audioStreams[i].type == atPCM)
 845                 info.m_description = "PCM";
 846         else if (m_audioStreams[i].type == atOGG)
 847                 info.m_description = "OGG";
 848         else
 849                 info.m_description = "???";
 850         if (info.m_language.empty())
 851                 info.m_language = m_audioStreams[i].language_code;
 852         return 0;
 853 }
 854
 855 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
 856 {
 857         if (!msg)
 858                 return;
 859         gchar *sourceName;
 860         GstObject *source;
 861
 862         source = GST_MESSAGE_SRC(msg);
 863         sourceName = gst_object_get_name(source);
 864 #if 0
 865         if (gst_message_get_structure(msg))
 866         {
 867                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
 868                 eDebug("gst_message from %s: %s", sourceName, string);
 869                 g_free(string);
 870         }
 871         else
 872                 eDebug("gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
 873 #endif
 874         switch (GST_MESSAGE_TYPE (msg))
 875         {
 876         case GST_MESSAGE_EOS:
 877                 m_event((iPlayableService*)this, evEOF);
 878                 break;
 879         case GST_MESSAGE_ERROR:
 880         {
 881                 gchar *debug;
 882                 GError *err;
 883
 884                 gst_message_parse_error (msg, &err, &debug);
 885                 g_free (debug);
 886                 eWarning("Gstreamer error: %s (%i)", err->message, err->code );
 887                 if ( err->domain == GST_STREAM_ERROR && err->code == GST_STREAM_ERROR_DECODE )
 888                 {
 889                         if ( g_strrstr(sourceName, "videosink") )
 890                                 m_event((iPlayableService*)this, evUser+11);
 891                 }
 892                 g_error_free(err);
 893                         /* TODO: signal error condition to user */
 894                 break;
 895         }
 896         case GST_MESSAGE_TAG:
 897         {
 898                 GstTagList *tags, *result;
 899                 gst_message_parse_tag(msg, &tags);
 900
 901                 result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_PREPEND);
 902                 if (result)
 903                 {
 904                         if (m_stream_tags)
 905                                 gst_tag_list_free(m_stream_tags);
 906                         m_stream_tags = result;
 907                 }
 908
 909                 gchar *g_audiocodec;
 910                 if ( gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_audiocodec) && m_audioStreams.size() == 0 )
 911                 {
 912                         GstPad* pad = gst_element_get_pad (GST_ELEMENT(source), "src");
 913                         GstCaps* caps = gst_pad_get_caps(pad);
 914                         GstStructure* str = gst_caps_get_structure(caps, 0);
 915                         if ( !str )
 916                                 break;
 917                         audioStream audio;
 918                         audio.type = gstCheckAudioPad(str);
 919                         m_audioStreams.push_back(audio);
 920                 }
 921                 break;
 922         }
 923         case GST_MESSAGE_ASYNC_DONE:
 924         {
 925                 GstTagList *tags;
 926                 for (std::vector<audioStream>::iterator IterAudioStream(m_audioStreams.begin()); IterAudioStream != m_audioStreams.end(); ++IterAudioStream)
 927                 {
 928                         if ( IterAudioStream->pad )
 929                         {
 930                                 g_object_get(IterAudioStream->pad, "tags", &tags, NULL);
 931                                 gchar *g_language;
 932                                 if ( gst_is_tag_list(tags) && gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
 933                                 {
 934                                         eDebug("found audio language %s",g_language);
 935                                         IterAudioStream->language_code = std::string(g_language);
 936                                         g_free (g_language);
 937                                 }
 938                         }
 939                 }
 940                 for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
 941                 {
 942                         if ( IterSubtitleStream->pad )
 943                         {
 944                                 g_object_get(IterSubtitleStream->pad, "tags", &tags, NULL);
 945                                 gchar *g_language;
 946                                 if ( gst_is_tag_list(tags) && gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
 947                                 {
 948                                         eDebug("found subtitle language %s",g_language);
 949                                         IterSubtitleStream->language_code = std::string(g_language);
 950                                         g_free (g_language);
 951                                 }
 952                         }
 953                 }
 954         }
 955         case GST_MESSAGE_ELEMENT:
 956         {
 957                 if ( gst_is_missing_plugin_message(msg) )
 958                 {
 959                         gchar *description = gst_missing_plugin_message_get_description(msg);
 960                         if ( description )
 961                         {
 962                                 m_error_message = description;
 963                                 g_free(description);
 964                                 m_event((iPlayableService*)this, evUser+12);
 965                         }
 966                 }
 967         }
 968         default:
 969                 break;
 970         }
 971         g_free (sourceName);
 972 }
 973
 974 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
 975 {
 976         eServiceMP3 *_this = (eServiceMP3*)user_data;
 977         _this->m_pump.send(1);
 978                 /* wake */
 979         return GST_BUS_PASS;
 980 }
 981
 982 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
 983 {
 984         const gchar* type;
 985         type = gst_structure_get_name(structure);
 986
 987         if (!strcmp(type, "audio/mpeg")) {
 988                         gint mpegversion, layer = 0;
 989                         gst_structure_get_int (structure, "mpegversion", &mpegversion);
 990                         gst_structure_get_int (structure, "layer", &layer);
 991                         eDebug("mime audio/mpeg version %d layer %d", mpegversion, layer);
 992                         switch (mpegversion) {
 993                                 case 1:
 994                                 {
 995                                         if ( layer == 3 )
 996                                                 return atMP3;
 997                                         else
 998                                                 return atMPEG;
 999                                 }
1000                                 case 2:
1001                                         return atMPEG;
1002                                 case 4:
1003                                         return atAAC;
1004                                 default:
1005                                         return atUnknown;
1006                         }
1007                 }
1008         else
1009         {
1010                 eDebug("mime %s", type);
1011                 if (!strcmp(type, "audio/x-ac3") || !strcmp(type, "audio/ac3"))
1012                         return atAC3;
1013                 else if (!strcmp(type, "audio/x-dts") || !strcmp(type, "audio/dts"))
1014                         return atDTS;
1015                 else if (!strcmp(type, "audio/x-raw-int"))
1016                         return atPCM;
1017         }
1018         return atUnknown;
1019 }
1020
1021 void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data)
1022 {
1023         const gchar* type;
1024         GstCaps* caps;
1025         GstStructure* str;
1026         caps = gst_pad_get_caps(pad);
1027         str = gst_caps_get_structure(caps, 0);
1028         type = gst_structure_get_name(str);
1029
1030         eDebug("A new pad %s:%s was created", GST_OBJECT_NAME (decodebin), GST_OBJECT_NAME (pad));
1031
1032         eServiceMP3 *_this = (eServiceMP3*)user_data;
1033         GstBin *pipeline = GST_BIN(_this->m_gst_pipeline);
1034         if (g_strrstr(type,"audio"))
1035         {
1036                 audioStream audio;
1037                 audio.type = _this->gstCheckAudioPad(str);
1038                 GstElement *switch_audio = gst_bin_get_by_name(pipeline , "switch_audio");
1039                 if ( switch_audio )
1040                 {
1041                         GstPad *sinkpad = gst_element_get_request_pad (switch_audio, "sink%d");
1042                         gst_pad_link(pad, sinkpad);
1043                         audio.pad = sinkpad;
1044                         _this->m_audioStreams.push_back(audio);
1045
1046                         if ( _this->m_audioStreams.size() == 1 )
1047                         {
1048                                 _this->selectAudioStream(0);
1049                                 gst_element_set_state (_this->m_gst_pipeline, GST_STATE_PLAYING);
1050                         }
1051                         else
1052                                 g_object_set (G_OBJECT (switch_audio), "select-all", FALSE, NULL);
1053                 }
1054                 else
1055                 {
1056                         gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_audio"), "sink"));
1057                         _this->m_audioStreams.push_back(audio);
1058                 }
1059         }
1060         if (g_strrstr(type,"video"))
1061         {
1062                 gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_video"), "sink"));
1063         }
1064         if (g_strrstr(type,"application/x-ssa") || g_strrstr(type,"application/x-ass"))
1065         {
1066                 GstElement *switch_subtitles = gst_bin_get_by_name(pipeline,"switch_subtitles");
1067                 if ( !switch_subtitles )
1068                 {
1069                         switch_subtitles = gst_element_factory_make ("input-selector", "switch_subtitles");
1070                         if ( !switch_subtitles )
1071                                 return;
1072                         GstElement *parser = gst_element_factory_make("ssaparse", "parse_subtitles");
1073                         GstElement *sink = gst_element_factory_make("fakesink", "sink_subtitles");
1074                         gst_bin_add_many(pipeline, switch_subtitles, parser, sink, NULL);
1075                         gst_element_link(switch_subtitles, parser);
1076                         gst_element_link(parser, sink);
1077                         g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
1078                         g_signal_connect(sink, "handoff", G_CALLBACK(gstCBsubtitleAvail), _this);
1079                 }
1080                 GstPad *sinkpad = gst_element_get_request_pad (switch_subtitles, "sink%d");
1081                 gst_pad_link(pad, sinkpad);
1082                 subtitleStream subs;
1083                 subs.pad = sinkpad;
1084                 _this->m_subtitleStreams.push_back(subs);
1085         }
1086 }
1087
1088 void eServiceMP3::gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data)
1089 {
1090         eServiceMP3 *_this = (eServiceMP3*)user_data;
1091         GstElement *decoder = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"decoder");
1092         gst_pad_link(pad, gst_element_get_static_pad (decoder, "sink"));
1093 }
1094
1095 void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data)
1096 {
1097         eServiceMP3 *_this = (eServiceMP3*)user_data;
1098         GstCaps *caps;
1099         GstStructure *str;
1100         GstPad *audiopad;
1101
1102         /* only link once */
1103         GstElement *audiobin = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"audiobin");
1104         audiopad = gst_element_get_static_pad (audiobin, "sink");
1105         if ( !audiopad || GST_PAD_IS_LINKED (audiopad)) {
1106                 eDebug("audio already linked!");
1107                 g_object_unref (audiopad);
1108                 return;
1109         }
1110
1111         /* check media type */
1112         caps = gst_pad_get_caps (pad);
1113         str = gst_caps_get_structure (caps, 0);
1114         eDebug("gst new pad! %s", gst_structure_get_name (str));
1115
1116         if (!g_strrstr (gst_structure_get_name (str), "audio")) {
1117                 gst_caps_unref (caps);
1118                 gst_object_unref (audiopad);
1119                 return;
1120         }
1121
1122         gst_caps_unref (caps);
1123         gst_pad_link (pad, audiopad);
1124 }
1125
1126 void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data)
1127 {
1128         GstStructure *str;
1129
1130         /* check media type */
1131         caps = gst_pad_get_caps (pad);
1132         str = gst_caps_get_structure (caps, 0);
1133         eDebug("unknown type: %s - this can't be decoded.", gst_structure_get_name (str));
1134         gst_caps_unref (caps);
1135 }
1136
1137 void eServiceMP3::gstPoll(const int&)
1138 {
1139                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1140                    us the wakup signal, but likely before it was posted.
1141                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1142
1143                    I need to understand the API a bit more to make this work
1144                    proplerly. */
1145         usleep(1);
1146
1147         GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline));
1148         GstMessage *message;
1149         while ((message = gst_bus_pop (bus)))
1150         {
1151                 gstBusCall(bus, message);
1152                 gst_message_unref (message);
1153         }
1154 }
1155
1156 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1157
1158 void eServiceMP3::gstCBsubtitleAvail(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer user_data)
1159 {
1160         const unsigned char *text = (unsigned char *)GST_BUFFER_DATA(buffer);
1161         eDebug("gstCBsubtitleAvail: %s",text);
1162         eServiceMP3 *_this = (eServiceMP3*)user_data;
1163         if ( _this->m_subtitle_widget )
1164         {
1165                 eDVBTeletextSubtitlePage page;
1166                 gRGB rgbcol(0xD0,0xD0,0xD0);
1167                 page.m_elements.push_back(eDVBTeletextSubtitlePageElement(rgbcol, (const char*)text));
1168                 (_this->m_subtitle_widget)->setPage(page);
1169         }
1170 }
1171
1172 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1173 {
1174         eDebug("eServiceMP3::enableSubtitles");
1175
1176         ePyObject entry;
1177         int tuplesize = PyTuple_Size(tuple);
1178         int pid;
1179         gint nb_sources;
1180         GstPad *active_pad;
1181         GstElement *switch_subtitles = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_subtitles");
1182
1183         if (!PyTuple_Check(tuple))
1184                 goto error_out;
1185         if (tuplesize < 1)
1186                 goto error_out;
1187         entry = PyTuple_GET_ITEM(tuple, 1);
1188         if (!PyInt_Check(entry))
1189                 goto error_out;
1190         pid = PyInt_AsLong(entry);
1191
1192         m_subtitle_widget = new eSubtitleWidget(parent);
1193         m_subtitle_widget->resize(parent->size()); /* full size */
1194
1195         if ( !switch_subtitles )
1196         {
1197                 eDebug("can't switch subtitle tracks! gst-plugin-selector needed");
1198                 return -2;
1199         }
1200         g_object_get (G_OBJECT (switch_subtitles), "n-pads", &nb_sources, NULL);
1201         if ( (unsigned int)pid >= m_subtitleStreams.size() || pid >= nb_sources || (unsigned int)m_currentSubtitleStream >= m_subtitleStreams.size() )
1202                 return -2;
1203         char sinkpad[8];
1204         sprintf(sinkpad, "sink%d", pid);
1205         g_object_set (G_OBJECT (switch_subtitles), "active-pad", gst_element_get_pad (switch_subtitles, sinkpad), NULL);
1206         g_object_get (G_OBJECT (switch_subtitles), "active-pad", &active_pad, NULL);
1207         gchar *name;
1208         name = gst_pad_get_name (active_pad);
1209         eDebug ("switched subtitles to (%s)", name);
1210         g_free(name);
1211         m_currentSubtitleStream = pid;
1212
1213         return 0;
1214 error_out:
1215         eDebug("enableSubtitles needs a tuple as 2nd argument!\n"
1216                 "for gst subtitles (2, subtitle_stream_count)");
1217         return -1;
1218 }
1219
1220 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1221 {
1222         eDebug("eServiceMP3::disableSubtitles");
1223         delete m_subtitle_widget;
1224         m_subtitle_widget = 0;
1225         return 0;
1226 }
1227
1228 PyObject *eServiceMP3::getCachedSubtitle()
1229 {
1230         eDebug("eServiceMP3::getCachedSubtitle");
1231         Py_RETURN_NONE;
1232 }
1233
1234 PyObject *eServiceMP3::getSubtitleList()
1235 {
1236         eDebug("eServiceMP3::getSubtitleList");
1237
1238         ePyObject l = PyList_New(0);
1239         int stream_count = 0;
1240
1241         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1242         {
1243                 ePyObject tuple = PyTuple_New(5);
1244                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1245                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count));
1246                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(0));
1247                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1248                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1249                 PyList_Append(l, tuple);
1250                 Py_DECREF(tuple);
1251                 stream_count++;
1252         }
1253
1254         return l;
1255 }
1256
1257 #else
1258 #warning gstreamer not available, not building media player
1259 #endif