lib/service/servicemp3.cpp

   1 #ifdef HAVE_GSTREAMER
   2
   3         /* note: this requires gstreamer 0.10.x and a big list of plugins. */
   4         /* it's currently hardcoded to use a big-endian alsasink as sink. */
   5 #include <lib/base/eerror.h>
   6 #include <lib/base/object.h>
   7 #include <lib/base/ebase.h>
   8 #include <string>
   9 #include <lib/service/servicemp3.h>
  10 #include <lib/service/service.h>
  11 #include <lib/components/file_eraser.h>
  12 #include <lib/base/init_num.h>
  13 #include <lib/base/init.h>
  14 #include <gst/gst.h>
  15 #include <gst/pbutils/missing-plugins.h>
  16 #include <sys/stat.h>
  17 /* for subtitles */
  18 #include <lib/gui/esubtitle.h>
  19
  20 // eServiceFactoryMP3
  21
  22 eServiceFactoryMP3::eServiceFactoryMP3()
  23 {
  24         ePtr<eServiceCenter> sc;
  25
  26         eServiceCenter::getPrivInstance(sc);
  27         if (sc)
  28         {
  29                 std::list<std::string> extensions;
  30                 extensions.push_back("mp2");
  31                 extensions.push_back("mp3");
  32                 extensions.push_back("ogg");
  33                 extensions.push_back("mpg");
  34                 extensions.push_back("vob");
  35                 extensions.push_back("wav");
  36                 extensions.push_back("wave");
  37                 extensions.push_back("mkv");
  38                 extensions.push_back("avi");
  39                 extensions.push_back("divx");
  40                 extensions.push_back("dat");
  41                 extensions.push_back("flac");
  42                 extensions.push_back("mp4");
  43                 extensions.push_back("m4a");
  44                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  45         }
  46
  47         m_service_info = new eStaticServiceMP3Info();
  48 }
  49
  50 eServiceFactoryMP3::~eServiceFactoryMP3()
  51 {
  52         ePtr<eServiceCenter> sc;
  53
  54         eServiceCenter::getPrivInstance(sc);
  55         if (sc)
  56                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  57 }
  58
  59 DEFINE_REF(eServiceFactoryMP3)
  60
  61         // iServiceHandler
  62 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  63 {
  64                 // check resources...
  65         ptr = new eServiceMP3(ref.path.c_str());
  66         return 0;
  67 }
  68
  69 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  70 {
  71         ptr=0;
  72         return -1;
  73 }
  74
  75 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  76 {
  77         ptr=0;
  78         return -1;
  79 }
  80
  81 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  82 {
  83         ptr = m_service_info;
  84         return 0;
  85 }
  86
  87 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  88 {
  89         DECLARE_REF(eMP3ServiceOfflineOperations);
  90         eServiceReference m_ref;
  91 public:
  92         eMP3ServiceOfflineOperations(const eServiceReference &ref);
  93
  94         RESULT deleteFromDisk(int simulate);
  95         RESULT getListOfFilenames(std::list<std::string> &);
  96 };
  97
  98 DEFINE_REF(eMP3ServiceOfflineOperations);
  99
 100 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 101 {
 102 }
 103
 104 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 105 {
 106         if (simulate)
 107                 return 0;
 108         else
 109         {
 110                 std::list<std::string> res;
 111                 if (getListOfFilenames(res))
 112                         return -1;
 113
 114                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 115                 if (!eraser)
 116                         eDebug("FATAL !! can't get background file eraser");
 117
 118                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 119                 {
 120                         eDebug("Removing %s...", i->c_str());
 121                         if (eraser)
 122                                 eraser->erase(i->c_str());
 123                         else
 124                                 ::unlink(i->c_str());
 125                 }
 126
 127                 return 0;
 128         }
 129 }
 130
 131 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 132 {
 133         res.clear();
 134         res.push_back(m_ref.path);
 135         return 0;
 136 }
 137
 138
 139 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 140 {
 141         ptr = new eMP3ServiceOfflineOperations(ref);
 142         return 0;
 143 }
 144
 145 // eStaticServiceMP3Info
 146
 147
 148 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 149 // about unopened files.
 150
 151 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 152 // should have a database backend where ID3-files etc. are cached.
 153 // this would allow listing the mp3 database based on certain filters.
 154
 155 DEFINE_REF(eStaticServiceMP3Info)
 156
 157 eStaticServiceMP3Info::eStaticServiceMP3Info()
 158 {
 159 }
 160
 161 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 162 {
 163         size_t last = ref.path.rfind('/');
 164         if (last != std::string::npos)
 165                 name = ref.path.substr(last+1);
 166         else
 167                 name = ref.path;
 168         return 0;
 169 }
 170
 171 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 172 {
 173         return -1;
 174 }
 175
 176 // eServiceMP3
 177
 178 eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eApp, 1)
 179 {
 180         m_seekTimeout = eTimer::create(eApp);
 181         m_stream_tags = 0;
 182         m_currentAudioStream = 0;
 183         m_currentSubtitleStream = 0;
 184         m_subtitle_widget = 0;
 185         m_currentTrickRatio = 0;
 186         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 187         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 188         GstElement *source = 0;
 189         GstElement *decoder = 0, *conv = 0, *flt = 0, *parser = 0, *sink = 0; /* for audio */
 190         GstElement *audio = 0, *switch_audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *videodemux = 0, *audiodemux = 0, *id3demux;
 191         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 192
 193         m_state = stIdle;
 194         eDebug("SERVICEMP3 construct!");
 195
 196                 /* FIXME: currently, decodebin isn't possible for
 197                    video streams. in that case, make a manual pipeline. */
 198
 199         const char *ext = strrchr(filename, '.');
 200         if (!ext)
 201                 ext = filename;
 202
 203         sourceStream sourceinfo;
 204         sourceinfo.is_video = FALSE;
 205         sourceinfo.audiotype = atUnknown;
 206         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 207         {
 208                 sourceinfo.containertype = ctMPEGPS;
 209                 sourceinfo.is_video = TRUE;
 210         }
 211         else if ( strcasecmp(ext, ".ts") == 0 )
 212         {
 213                 sourceinfo.containertype = ctMPEGTS;
 214                 sourceinfo.is_video = TRUE;
 215         }
 216         else if ( strcasecmp(ext, ".mkv") == 0 )
 217         {
 218                 sourceinfo.containertype = ctMKV;
 219                 sourceinfo.is_video = TRUE;
 220         }
 221         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 222         {
 223                 sourceinfo.containertype = ctAVI;
 224                 sourceinfo.is_video = TRUE;
 225         }
 226         else if ( strcasecmp(ext, ".mp4") == 0 )
 227         {
 228                 sourceinfo.containertype = ctMP4;
 229                 sourceinfo.is_video = TRUE;
 230         }
 231         else if ( strcasecmp(ext, ".m4a") == 0 )
 232         {
 233                 sourceinfo.containertype = ctMP4;
 234                 sourceinfo.audiotype = atAAC;
 235         }
 236         else if ( strcasecmp(ext, ".mp3") == 0 )
 237                 sourceinfo.audiotype = atMP3;
 238         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 239                 sourceinfo.containertype = ctCDA;
 240         if ( strcasecmp(ext, ".dat") == 0 )
 241         {
 242                 sourceinfo.containertype = ctVCD;
 243                 sourceinfo.is_video = TRUE;
 244         }
 245         if ( (strncmp(filename, "http://", 7)) == 0 )
 246                 sourceinfo.is_streaming = TRUE;
 247
 248         eDebug("filename=%s, containertype=%d, is_video=%d, is_streaming=%d", filename, sourceinfo.containertype, sourceinfo.is_video, sourceinfo.is_streaming);
 249
 250         int all_ok = 0;
 251
 252         m_gst_pipeline = gst_pipeline_new ("mediaplayer");
 253         if (!m_gst_pipeline)
 254                 m_error_message = "failed to create GStreamer pipeline!\n";
 255
 256         if ( sourceinfo.is_streaming )
 257         {
 258                 eDebug("play webradio!");
 259                 source = gst_element_factory_make ("neonhttpsrc", "http-source");
 260                 if (source)
 261                 {
 262                         g_object_set (G_OBJECT (source), "location", filename, NULL);
 263                         g_object_set (G_OBJECT (source), "automatic-redirect", TRUE, NULL);
 264                 }
 265                 else
 266                         m_error_message = "GStreamer plugin neonhttpsrc not available!\n";
 267         }
 268         else if ( sourceinfo.containertype == ctCDA )
 269         {
 270                 source = gst_element_factory_make ("cdiocddasrc", "cda-source");
 271                 if (source)
 272                 {
 273                         g_object_set (G_OBJECT (source), "device", "/dev/cdroms/cdrom0", NULL);
 274                         int track = atoi(filename+18);
 275                         eDebug("play audio CD track #%i",track);
 276                         if (track > 0)
 277                                 g_object_set (G_OBJECT (source), "track", track, NULL);
 278                 }
 279         }
 280         else if ( sourceinfo.containertype == ctVCD )
 281         {
 282                 int fd = open(filename,O_RDONLY);
 283                 char tmp[128*1024];
 284                 int ret = read(fd, tmp, 128*1024);
 285                 close(fd);
 286                 if ( ret == -1 ) // this is a "REAL" VCD
 287                         source = gst_element_factory_make ("vcdsrc", "vcd-source");
 288                         if (source)
 289                                 g_object_set (G_OBJECT (source), "device", "/dev/cdroms/cdrom0", NULL);
 290         }
 291         if ( !source && !sourceinfo.is_streaming )
 292         {
 293                 source = gst_element_factory_make ("filesrc", "file-source");
 294                 if (source)
 295                         g_object_set (G_OBJECT (source), "location", filename, NULL);
 296                 else
 297                         m_error_message = "GStreamer can't open filesrc " + (std::string)filename + "!\n";
 298         }
 299         if ( sourceinfo.is_video )
 300         {
 301                         /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink
 302                                                    | queue_video -> dvbvideosink */
 303
 304                 audio = gst_element_factory_make("dvbaudiosink", "audiosink");
 305                 if (!audio)
 306                         m_error_message += "failed to create Gstreamer element dvbaudiosink\n";
 307
 308                 video = gst_element_factory_make("dvbvideosink", "videosink");
 309                 if (!video)
 310                         m_error_message += "failed to create Gstreamer element dvbvideosink\n";
 311
 312                 queue_audio = gst_element_factory_make("queue", "queue_audio");
 313                 queue_video = gst_element_factory_make("queue", "queue_video");
 314
 315                 std::string demux_type;
 316                 switch (sourceinfo.containertype)
 317                 {
 318                         case ctMPEGTS:
 319                                 demux_type = "flutsdemux";
 320                                 break;
 321                         case ctMPEGPS:
 322                         case ctVCD:
 323                                 demux_type = "flupsdemux";
 324                                 break;
 325                         case ctMKV:
 326                                 demux_type = "matroskademux";
 327                                 break;
 328                         case ctAVI:
 329                                 demux_type = "avidemux";
 330                                 break;
 331                         case ctMP4:
 332                                 demux_type = "qtdemux";
 333                                 break;
 334                         default:
 335                                 break;
 336                 }
 337                 videodemux = gst_element_factory_make(demux_type.c_str(), "videodemux");
 338                 if (!videodemux)
 339                         m_error_message = "GStreamer plugin " + demux_type + " not available!\n";
 340
 341                 switch_audio = gst_element_factory_make ("input-selector", "switch_audio");
 342                 if (!switch_audio)
 343                         m_error_message = "GStreamer plugin input-selector not available!\n";
 344
 345                 if (audio && queue_audio && video && queue_video && videodemux && switch_audio)
 346                 {
 347                         g_object_set (G_OBJECT (queue_audio), "max-size-bytes", 256*1024, NULL);
 348                         g_object_set (G_OBJECT (queue_audio), "max-size-buffers", 0, NULL);
 349                         g_object_set (G_OBJECT (queue_audio), "max-size-time", (guint64)0, NULL);
 350                         g_object_set (G_OBJECT (queue_video), "max-size-buffers", 0, NULL);
 351                         g_object_set (G_OBJECT (queue_video), "max-size-bytes", 2*1024*1024, NULL);
 352                         g_object_set (G_OBJECT (queue_video), "max-size-time", (guint64)0, NULL);
 353                         g_object_set (G_OBJECT (switch_audio), "select-all", TRUE, NULL);
 354                         all_ok = 1;
 355                 }
 356         } else /* is audio */
 357         {
 358                 std::string demux_type;
 359                 switch ( sourceinfo.containertype )
 360                 {
 361                         case ctMP4:
 362                                 demux_type = "qtdemux";
 363                                 break;
 364                         default:
 365                                 break;
 366                 }
 367                 if ( demux_type.length() )
 368                 {
 369                         audiodemux = gst_element_factory_make(demux_type.c_str(), "audiodemux");
 370                         if (!audiodemux)
 371                                 m_error_message = "GStreamer plugin " + demux_type + " not available!\n";
 372                 }
 373                 switch ( sourceinfo.audiotype )
 374                 {
 375                         case atMP3:
 376                         {
 377                                 id3demux = gst_element_factory_make("id3demux", "id3demux");
 378                                 if ( !id3demux )
 379                                 {
 380                                         m_error_message += "failed to create Gstreamer element id3demux\n";
 381                                         break;
 382                                 }
 383                                 parser = gst_element_factory_make("mp3parse", "audiosink");
 384                                 if ( !parser )
 385                                 {
 386                                         m_error_message += "failed to create Gstreamer element mp3parse\n";
 387                                         break;
 388                                 }
 389                                 sink = gst_element_factory_make("dvbaudiosink", "audiosink2");
 390                                 if ( !sink )
 391                                         m_error_message += "failed to create Gstreamer element dvbaudiosink\n";
 392                                 else
 393                                         all_ok = 1;
 394                                 break;
 395                         }
 396                         case atAAC:
 397                         {
 398                                 if ( !audiodemux )
 399                                 {
 400                                         m_error_message += "cannot parse raw AAC audio\n";
 401                                         break;
 402                                 }
 403                                 sink = gst_element_factory_make("dvbaudiosink", "audiosink");
 404                                 if (!sink)
 405                                         m_error_message += "failed to create Gstreamer element dvbaudiosink\n";
 406                                 else
 407                                         all_ok = 1;
 408                                 break;
 409                         }
 410                         case atAC3:
 411                         {
 412                                 if ( !audiodemux )
 413                                 {
 414                                         m_error_message += "cannot parse raw AC3 audio\n";
 415                                         break;
 416                                 }
 417                                 sink = gst_element_factory_make("dvbaudiosink", "audiosink");
 418                                 if ( !sink )
 419                                         m_error_message += "failed to create Gstreamer element dvbaudiosink\n";
 420                                 else
 421                                         all_ok = 1;
 422                                 break;
 423                         }
 424                         default:
 425                         {       /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */
 426                                 decoder = gst_element_factory_make ("decodebin", "decoder");
 427                                 if (!decoder)
 428                                         m_error_message += "failed to create Gstreamer element decodebin\n";
 429
 430                                 conv = gst_element_factory_make ("audioconvert", "converter");
 431                                 if (!conv)
 432                                         m_error_message += "failed to create Gstreamer element audioconvert\n";
 433
 434                                 flt = gst_element_factory_make ("capsfilter", "flt");
 435                                 if (!flt)
 436                                         m_error_message += "failed to create Gstreamer element capsfilter\n";
 437
 438                                         /* for some reasons, we need to set the sample format to depth/width=16, because auto negotiation doesn't work. */
 439                                         /* endianness, however, is not required to be set anymore. */
 440                                 if (flt)
 441                                 {
 442                                         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, */NULL);
 443                                         g_object_set (G_OBJECT (flt), "caps", caps, NULL);
 444                                         gst_caps_unref(caps);
 445                                 }
 446
 447                                 sink = gst_element_factory_make ("alsasink", "alsa-output");
 448                                 if (!sink)
 449                                         m_error_message += "failed to create Gstreamer element alsasink\n";
 450
 451                                 if (source && decoder && conv && sink)
 452                                         all_ok = 1;
 453                                 break;
 454                         }
 455                 }
 456
 457         }
 458         if (m_gst_pipeline && all_ok)
 459         {
 460                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this);
 461
 462                 if ( sourceinfo.containertype == ctCDA )
 463                 {
 464                         queue_audio = gst_element_factory_make("queue", "queue_audio");
 465                         g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL);
 466                         gst_bin_add_many (GST_BIN (m_gst_pipeline), source, queue_audio, conv, sink, NULL);
 467                         gst_element_link_many(source, queue_audio, conv, sink, NULL);
 468                 }
 469                 else if ( sourceinfo.is_video )
 470                 {
 471                         char srt_filename[strlen(filename)+1];
 472                         strncpy(srt_filename,filename,strlen(filename)-3);
 473                         srt_filename[strlen(filename)-3]='\0';
 474                         strcat(srt_filename, "srt");
 475                         struct stat buffer;
 476                         if (stat(srt_filename, &buffer) == 0)
 477                         {
 478                                 eDebug("subtitle file found: %s",srt_filename);
 479                                 GstElement *subsource = gst_element_factory_make ("filesrc", "srt_source");
 480                                 g_object_set (G_OBJECT (subsource), "location", srt_filename, NULL);
 481                                 gst_bin_add(GST_BIN (m_gst_pipeline), subsource);
 482                                 GstPad *switchpad = gstCreateSubtitleSink(this, stSRT);
 483                                 gst_pad_link(gst_element_get_pad (subsource, "src"), switchpad);
 484                                 subtitleStream subs;
 485                                 subs.pad = switchpad;
 486                                 subs.type = stSRT;
 487                                 subs.language_code = std::string("und");
 488                                 m_subtitleStreams.push_back(subs);
 489                         }
 490                         gst_bin_add_many(GST_BIN(m_gst_pipeline), source, videodemux, audio, queue_audio, video, queue_video, switch_audio, NULL);
 491
 492                         if ( sourceinfo.containertype == ctVCD && gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"file-source") )
 493                         {
 494                                 eDebug("this is a fake video cd... we use filesrc ! cdxaparse !");
 495                                 GstElement *cdxaparse = gst_element_factory_make("cdxaparse", "cdxaparse");
 496                                 gst_bin_add(GST_BIN(m_gst_pipeline), cdxaparse);
 497                                 gst_element_link(source, cdxaparse);
 498                                 gst_element_link(cdxaparse, videodemux);
 499                         }
 500                         else
 501                                 gst_element_link(source, videodemux);
 502
 503                         gst_element_link(switch_audio, queue_audio);
 504                         gst_element_link(queue_audio, audio);
 505                         gst_element_link(queue_video, video);
 506                         g_signal_connect(videodemux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
 507
 508                 } else /* is audio*/
 509                 {
 510                         if ( decoder )
 511                         {
 512                                 queue_audio = gst_element_factory_make("queue", "queue_audio");
 513
 514                                 g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this);
 515                                 g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this);
 516
 517                                 g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL);
 518
 519                                         /* gst_bin will take the 'floating references' */
 520                                 gst_bin_add_many (GST_BIN (m_gst_pipeline),
 521                                                         source, queue_audio, decoder, NULL);
 522
 523                                         /* in decodebin's case we can just connect the source with the decodebin, and decodebin will take care about id3demux (or whatever is required) */
 524                                 gst_element_link_many(source, queue_audio, decoder, NULL);
 525
 526                                         /* create audio bin with the audioconverter, the capsfilter and the audiosink */
 527                                 audio = gst_bin_new ("audiobin");
 528
 529                                 GstPad *audiopad = gst_element_get_static_pad (conv, "sink");
 530                                 gst_bin_add_many(GST_BIN(audio), conv, flt, sink, NULL);
 531                                 gst_element_link_many(conv, flt, sink, NULL);
 532                                 gst_element_add_pad(audio, gst_ghost_pad_new ("sink", audiopad));
 533                                 gst_object_unref(audiopad);
 534                                 gst_bin_add (GST_BIN(m_gst_pipeline), audio);
 535                         }
 536                         else
 537                         {
 538                                 gst_bin_add_many (GST_BIN (m_gst_pipeline), source, sink, NULL);
 539                                 if ( parser && id3demux )
 540                                 {
 541                                         gst_bin_add_many (GST_BIN (m_gst_pipeline), parser, id3demux, NULL);
 542                                         gst_element_link(source, id3demux);
 543                                         g_signal_connect(id3demux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
 544                                         gst_element_link(parser, sink);
 545                                 }
 546                                 if ( audiodemux )
 547                                 {
 548                                         gst_bin_add (GST_BIN (m_gst_pipeline), audiodemux);
 549                                         g_signal_connect(audiodemux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
 550                                         gst_element_link(source, audiodemux);
 551                                 }
 552                                 audioStream audio;
 553                                 audio.type = sourceinfo.audiotype;
 554                                 m_audioStreams.push_back(audio);
 555                         }
 556                 }
 557         } else
 558         {
 559                 m_event((iPlayableService*)this, evUser+12);
 560
 561                 if (m_gst_pipeline)
 562                         gst_object_unref(GST_OBJECT(m_gst_pipeline));
 563                 if (source)
 564                         gst_object_unref(GST_OBJECT(source));
 565                 if (decoder)
 566                         gst_object_unref(GST_OBJECT(decoder));
 567                 if (conv)
 568                         gst_object_unref(GST_OBJECT(conv));
 569                 if (sink)
 570                         gst_object_unref(GST_OBJECT(sink));
 571
 572                 if (audio)
 573                         gst_object_unref(GST_OBJECT(audio));
 574                 if (queue_audio)
 575                         gst_object_unref(GST_OBJECT(queue_audio));
 576                 if (video)
 577                         gst_object_unref(GST_OBJECT(video));
 578                 if (queue_video)
 579                         gst_object_unref(GST_OBJECT(queue_video));
 580                 if (videodemux)
 581                         gst_object_unref(GST_OBJECT(videodemux));
 582                 if (switch_audio)
 583                         gst_object_unref(GST_OBJECT(switch_audio));
 584
 585                 eDebug("sorry, can't play: %s",m_error_message.c_str());
 586                 m_gst_pipeline = 0;
 587         }
 588
 589         gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
 590 }
 591
 592 eServiceMP3::~eServiceMP3()
 593 {
 594         delete m_subtitle_widget;
 595         if (m_state == stRunning)
 596                 stop();
 597
 598         if (m_stream_tags)
 599                 gst_tag_list_free(m_stream_tags);
 600
 601         if (m_gst_pipeline)
 602         {
 603                 gst_object_unref (GST_OBJECT (m_gst_pipeline));
 604                 eDebug("SERVICEMP3 destruct!");
 605         }
 606 }
 607
 608 DEFINE_REF(eServiceMP3);
 609
 610 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 611 {
 612         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 613         return 0;
 614 }
 615
 616 RESULT eServiceMP3::start()
 617 {
 618         assert(m_state == stIdle);
 619
 620         m_state = stRunning;
 621         if (m_gst_pipeline)
 622         {
 623                 eDebug("starting pipeline");
 624                 gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
 625         }
 626         m_event(this, evStart);
 627         return 0;
 628 }
 629
 630 RESULT eServiceMP3::stop()
 631 {
 632         assert(m_state != stIdle);
 633         if (m_state == stStopped)
 634                 return -1;
 635         eDebug("MP3: %s stop\n", m_filename.c_str());
 636         gst_element_set_state(m_gst_pipeline, GST_STATE_NULL);
 637         m_state = stStopped;
 638         return 0;
 639 }
 640
 641 RESULT eServiceMP3::setTarget(int target)
 642 {
 643         return -1;
 644 }
 645
 646 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 647 {
 648         ptr=this;
 649         return 0;
 650 }
 651
 652 RESULT eServiceMP3::setSlowMotion(int ratio)
 653 {
 654         /* we can't do slomo yet */
 655         return -1;
 656 }
 657
 658 RESULT eServiceMP3::setFastForward(int ratio)
 659 {
 660         m_currentTrickRatio = ratio;
 661         if (ratio)
 662                 m_seekTimeout->start(1000, 0);
 663         else
 664                 m_seekTimeout->stop();
 665         return 0;
 666 }
 667
 668 void eServiceMP3::seekTimeoutCB()
 669 {
 670         pts_t ppos, len;
 671         getPlayPosition(ppos);
 672         getLength(len);
 673         ppos += 90000*m_currentTrickRatio;
 674
 675         if (ppos < 0)
 676         {
 677                 ppos = 0;
 678                 m_seekTimeout->stop();
 679         }
 680         if (ppos > len)
 681         {
 682                 ppos = 0;
 683                 stop();
 684                 m_seekTimeout->stop();
 685                 return;
 686         }
 687         seekTo(ppos);
 688 }
 689
 690                 // iPausableService
 691 RESULT eServiceMP3::pause()
 692 {
 693         if (!m_gst_pipeline)
 694                 return -1;
 695         GstStateChangeReturn res = gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
 696         if (res == GST_STATE_CHANGE_ASYNC)
 697         {
 698                 pts_t ppos;
 699                 getPlayPosition(ppos);
 700                 seekTo(ppos);
 701         }
 702         return 0;
 703 }
 704
 705 RESULT eServiceMP3::unpause()
 706 {
 707         if (!m_gst_pipeline)
 708                 return -1;
 709
 710         GstStateChangeReturn res;
 711         res = gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
 712         return 0;
 713 }
 714
 715         /* iSeekableService */
 716 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 717 {
 718         ptr = this;
 719         return 0;
 720 }
 721
 722 RESULT eServiceMP3::getLength(pts_t &pts)
 723 {
 724         if (!m_gst_pipeline)
 725                 return -1;
 726         if (m_state != stRunning)
 727                 return -1;
 728
 729         GstFormat fmt = GST_FORMAT_TIME;
 730         gint64 len;
 731
 732         if (!gst_element_query_duration(m_gst_pipeline, &fmt, &len))
 733                 return -1;
 734
 735                 /* len is in nanoseconds. we have 90 000 pts per second. */
 736
 737         pts = len / 11111;
 738         return 0;
 739 }
 740
 741 RESULT eServiceMP3::seekTo(pts_t to)
 742 {
 743         if (!m_gst_pipeline)
 744                 return -1;
 745
 746                 /* convert pts to nanoseconds */
 747         gint64 time_nanoseconds = to * 11111LL;
 748         if (!gst_element_seek (m_gst_pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 749                 GST_SEEK_TYPE_SET, time_nanoseconds,
 750                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 751         {
 752                 eDebug("SEEK failed");
 753                 return -1;
 754         }
 755         return 0;
 756 }
 757
 758 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 759 {
 760         if (!m_gst_pipeline)
 761                 return -1;
 762
 763         pts_t ppos;
 764         getPlayPosition(ppos);
 765         ppos += to * direction;
 766         if (ppos < 0)
 767                 ppos = 0;
 768         seekTo(ppos);
 769
 770         return 0;
 771 }
 772
 773 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 774 {
 775         if (!m_gst_pipeline)
 776                 return -1;
 777         if (m_state != stRunning)
 778                 return -1;
 779
 780         GstFormat fmt = GST_FORMAT_TIME;
 781         gint64 len;
 782
 783         if (!gst_element_query_position(m_gst_pipeline, &fmt, &len))
 784                 return -1;
 785
 786                 /* len is in nanoseconds. we have 90 000 pts per second. */
 787         pts = len / 11111;
 788         return 0;
 789 }
 790
 791 RESULT eServiceMP3::setTrickmode(int trick)
 792 {
 793                 /* trickmode is not yet supported by our dvbmediasinks. */
 794         return -1;
 795 }
 796
 797 RESULT eServiceMP3::isCurrentlySeekable()
 798 {
 799         return 1;
 800 }
 801
 802 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 803 {
 804         i = this;
 805         return 0;
 806 }
 807
 808 RESULT eServiceMP3::getName(std::string &name)
 809 {
 810         name = m_filename;
 811         size_t n = name.rfind('/');
 812         if (n != std::string::npos)
 813                 name = name.substr(n + 1);
 814         return 0;
 815 }
 816
 817 int eServiceMP3::getInfo(int w)
 818 {
 819         gchar *tag = 0;
 820
 821         switch (w)
 822         {
 823         case sVideoHeight: return m_height;
 824         case sVideoWidth: return m_width;
 825         case sFrameRate: return m_framerate;
 826         case sProgressive: return m_progressive;
 827         case sAspect: return m_aspect;
 828         case sTitle:
 829         case sArtist:
 830         case sAlbum:
 831         case sComment:
 832         case sTracknumber:
 833         case sGenre:
 834         case sVideoType:
 835         case sTimeCreate:
 836         case sUser+12:
 837                 return resIsString;
 838         case sCurrentTitle:
 839                 tag = GST_TAG_TRACK_NUMBER;
 840                 break;
 841         case sTotalTitles:
 842                 tag = GST_TAG_TRACK_COUNT;
 843                 break;
 844         default:
 845                 return resNA;
 846         }
 847
 848         if (!m_stream_tags || !tag)
 849                 return 0;
 850
 851         guint value;
 852         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 853                 return (int) value;
 854
 855         return 0;
 856
 857 }
 858
 859 std::string eServiceMP3::getInfoString(int w)
 860 {
 861         if ( !m_stream_tags )
 862                 return "";
 863         gchar *tag = 0;
 864         switch (w)
 865         {
 866         case sTitle:
 867                 tag = GST_TAG_TITLE;
 868                 break;
 869         case sArtist:
 870                 tag = GST_TAG_ARTIST;
 871                 break;
 872         case sAlbum:
 873                 tag = GST_TAG_ALBUM;
 874                 break;
 875         case sComment:
 876                 tag = GST_TAG_COMMENT;
 877                 break;
 878         case sTracknumber:
 879                 tag = GST_TAG_TRACK_NUMBER;
 880                 break;
 881         case sGenre:
 882                 tag = GST_TAG_GENRE;
 883                 break;
 884         case sVideoType:
 885                 tag = GST_TAG_VIDEO_CODEC;
 886                 break;
 887         case sTimeCreate:
 888                 GDate *date;
 889                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 890                 {
 891                         gchar res[5];
 892                         g_date_strftime (res, sizeof(res), "%Y", date);
 893                         return (std::string)res;
 894                 }
 895                 break;
 896         case sUser+12:
 897                 return m_error_message;
 898         default:
 899                 return "";
 900         }
 901         if ( !tag )
 902                 return "";
 903         gchar *value;
 904         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 905         {
 906                 std::string res = value;
 907                 g_free(value);
 908                 return res;
 909         }
 910         return "";
 911 }
 912
 913 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 914 {
 915         ptr = this;
 916         return 0;
 917 }
 918
 919 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 920 {
 921         ptr = this;
 922         return 0;
 923 }
 924
 925 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
 926 {
 927         ptr = this;
 928         return 0;
 929 }
 930
 931 int eServiceMP3::getNumberOfTracks()
 932 {
 933         return m_audioStreams.size();
 934 }
 935
 936 int eServiceMP3::getCurrentTrack()
 937 {
 938         return m_currentAudioStream;
 939 }
 940
 941 RESULT eServiceMP3::selectTrack(unsigned int i)
 942 {
 943         int ret = selectAudioStream(i);
 944         /* flush */
 945         pts_t ppos;
 946         getPlayPosition(ppos);
 947         seekTo(ppos);
 948
 949         return ret;
 950 }
 951
 952 int eServiceMP3::selectAudioStream(int i)
 953 {
 954         gint nb_sources;
 955         GstPad *active_pad;
 956         GstElement *switch_audio = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_audio");
 957         if ( !switch_audio )
 958         {
 959                 eDebug("can't switch audio tracks! gst-plugin-selector needed");
 960                 return -1;
 961         }
 962         g_object_get (G_OBJECT (switch_audio), "n-pads", &nb_sources, NULL);
 963         if ( (unsigned int)i >= m_audioStreams.size() || i >= nb_sources || (unsigned int)m_currentAudioStream >= m_audioStreams.size() )
 964                 return -2;
 965         char sinkpad[8];
 966         sprintf(sinkpad, "sink%d", i);
 967         g_object_set (G_OBJECT (switch_audio), "active-pad", gst_element_get_pad (switch_audio, sinkpad), NULL);
 968         g_object_get (G_OBJECT (switch_audio), "active-pad", &active_pad, NULL);
 969         gchar *name;
 970         name = gst_pad_get_name (active_pad);
 971         eDebug ("switched audio to (%s)", name);
 972         g_free(name);
 973         m_currentAudioStream = i;
 974         return 0;
 975 }
 976
 977 int eServiceMP3::getCurrentChannel()
 978 {
 979         return STEREO;
 980 }
 981
 982 RESULT eServiceMP3::selectChannel(int i)
 983 {
 984         eDebug("eServiceMP3::selectChannel(%i)",i);
 985         return 0;
 986 }
 987
 988 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
 989 {
 990 //      eDebug("eServiceMP3::getTrackInfo(&info, %i)",i);
 991         if (i >= m_audioStreams.size())
 992                 return -2;
 993         if (m_audioStreams[i].type == atMPEG)
 994                 info.m_description = "MPEG";
 995         else if (m_audioStreams[i].type == atMP3)
 996                 info.m_description = "MP3";
 997         else if (m_audioStreams[i].type == atAC3)
 998                 info.m_description = "AC3";
 999         else if (m_audioStreams[i].type == atAAC)
1000                 info.m_description = "AAC";
1001         else if (m_audioStreams[i].type == atDTS)
1002                 info.m_description = "DTS";
1003         else if (m_audioStreams[i].type == atPCM)
1004                 info.m_description = "PCM";
1005         else if (m_audioStreams[i].type == atOGG)
1006                 info.m_description = "OGG";
1007         else
1008                 info.m_description = "???";
1009         if (info.m_language.empty())
1010                 info.m_language = m_audioStreams[i].language_code;
1011         return 0;
1012 }
1013
1014 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1015 {
1016         if (!msg)
1017                 return;
1018         gchar *sourceName;
1019         GstObject *source;
1020
1021         source = GST_MESSAGE_SRC(msg);
1022         sourceName = gst_object_get_name(source);
1023 #if 0
1024         if (gst_message_get_structure(msg))
1025         {
1026                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1027                 eDebug("gst_message from %s: %s", sourceName, string);
1028                 g_free(string);
1029         }
1030         else
1031                 eDebug("gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1032 #endif
1033         switch (GST_MESSAGE_TYPE (msg))
1034         {
1035                 case GST_MESSAGE_EOS:
1036                         m_event((iPlayableService*)this, evEOF);
1037                         break;
1038                 case GST_MESSAGE_ERROR:
1039                 {
1040                         gchar *debug;
1041                         GError *err;
1042
1043                         gst_message_parse_error (msg, &err, &debug);
1044                         g_free (debug);
1045                         eWarning("Gstreamer error: %s (%i)", err->message, err->code );
1046                         if ( err->domain == GST_STREAM_ERROR && err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1047                         {
1048                                 if ( g_strrstr(sourceName, "videosink") )
1049                                         m_event((iPlayableService*)this, evUser+11);
1050                         }
1051                         g_error_free(err);
1052                         break;
1053                 }
1054                 case GST_MESSAGE_INFO:
1055                 {
1056                         gchar *debug;
1057                         GError *inf;
1058
1059                         gst_message_parse_info (msg, &inf, &debug);
1060                         g_free (debug);
1061                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1062                         {
1063                                 if ( g_strrstr(sourceName, "videosink") )
1064                                         m_event((iPlayableService*)this, evUser+14);
1065                         }
1066                         g_error_free(inf);
1067                         break;
1068                 }
1069                 case GST_MESSAGE_TAG:
1070                 {
1071                         GstTagList *tags, *result;
1072                         gst_message_parse_tag(msg, &tags);
1073
1074                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_PREPEND);
1075                         if (result)
1076                         {
1077                                 if (m_stream_tags)
1078                                         gst_tag_list_free(m_stream_tags);
1079                                 m_stream_tags = result;
1080                         }
1081
1082                         gchar *g_audiocodec;
1083                         if ( gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_audiocodec) && m_audioStreams.size() == 0 )
1084                         {
1085                                 GstPad* pad = gst_element_get_pad (GST_ELEMENT(source), "src");
1086                                 GstCaps* caps = gst_pad_get_caps(pad);
1087                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1088                                 if ( !str )
1089                                         break;
1090                                 audioStream audio;
1091                                 audio.type = gstCheckAudioPad(str);
1092                                 m_audioStreams.push_back(audio);
1093                         }
1094
1095                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1096                         if ( gv_image )
1097                         {
1098                                 GstBuffer *buf_image;
1099                                 buf_image = gst_value_get_buffer (gv_image);
1100                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1101                                 write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1102                                 close(fd);
1103                                 m_event((iPlayableService*)this, evUser+13);
1104                         }
1105
1106                         gst_tag_list_free(tags);
1107                         m_event((iPlayableService*)this, evUpdatedInfo);
1108                         break;
1109                 }
1110                 case GST_MESSAGE_ASYNC_DONE:
1111                 {
1112                         GstTagList *tags;
1113                         for (std::vector<audioStream>::iterator IterAudioStream(m_audioStreams.begin()); IterAudioStream != m_audioStreams.end(); ++IterAudioStream)
1114                         {
1115                                 if ( IterAudioStream->pad )
1116                                 {
1117                                         g_object_get(IterAudioStream->pad, "tags", &tags, NULL);
1118                                         gchar *g_language;
1119                                         if ( tags && gst_is_tag_list(tags) && gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
1120                                         {
1121                                                 eDebug("found audio language %s",g_language);
1122                                                 IterAudioStream->language_code = std::string(g_language);
1123                                                 g_free (g_language);
1124                                         }
1125                                 }
1126                         }
1127                         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1128                         {
1129                                 if ( IterSubtitleStream->pad )
1130                                 {
1131                                         g_object_get(IterSubtitleStream->pad, "tags", &tags, NULL);
1132                                         gchar *g_language;
1133                                         if ( tags && gst_is_tag_list(tags) && gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
1134                                         {
1135                                                 eDebug("found subtitle language %s",g_language);
1136                                                 IterSubtitleStream->language_code = std::string(g_language);
1137                                                 g_free (g_language);
1138                                         }
1139                                 }
1140                         }
1141                 }
1142                 case GST_MESSAGE_ELEMENT:
1143                 {
1144                         if ( gst_is_missing_plugin_message(msg) )
1145                         {
1146                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1147                                 if ( description )
1148                                 {
1149                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1150                                         g_free(description);
1151                                         m_event((iPlayableService*)this, evUser+12);
1152                                 }
1153                         }
1154                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1155                         {
1156                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1157                                 if ( eventname )
1158                                 {
1159                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1160                                         {
1161                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1162                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1163                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1164                                                 if (strstr(eventname, "Changed"))
1165                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1166                                         }
1167                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1168                                         {
1169                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1170                                                 if (strstr(eventname, "Changed"))
1171                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1172                                         }
1173                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1174                                         {
1175                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1176                                                 if (strstr(eventname, "Changed"))
1177                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1178                                         }
1179                                 }
1180                         }
1181                 }
1182                 default:
1183                         break;
1184         }
1185         g_free (sourceName);
1186 }
1187
1188 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1189 {
1190         eServiceMP3 *_this = (eServiceMP3*)user_data;
1191         _this->m_pump.send(1);
1192                 /* wake */
1193         return GST_BUS_PASS;
1194 }
1195
1196 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1197 {
1198         const gchar* type;
1199         type = gst_structure_get_name(structure);
1200
1201         if (!strcmp(type, "audio/mpeg")) {
1202                         gint mpegversion, layer = 0;
1203                         gst_structure_get_int (structure, "mpegversion", &mpegversion);
1204                         gst_structure_get_int (structure, "layer", &layer);
1205                         eDebug("mime audio/mpeg version %d layer %d", mpegversion, layer);
1206                         switch (mpegversion) {
1207                                 case 1:
1208                                 {
1209                                         if ( layer == 3 )
1210                                                 return atMP3;
1211                                         else
1212                                                 return atMPEG;
1213                                 }
1214                                 case 2:
1215                                         return atMPEG;
1216                                 case 4:
1217                                         return atAAC;
1218                                 default:
1219                                         return atUnknown;
1220                         }
1221                 }
1222         else
1223         {
1224                 eDebug("mime %s", type);
1225                 if (!strcmp(type, "audio/x-ac3") || !strcmp(type, "audio/ac3"))
1226                         return atAC3;
1227                 else if (!strcmp(type, "audio/x-dts") || !strcmp(type, "audio/dts"))
1228                         return atDTS;
1229                 else if (!strcmp(type, "audio/x-raw-int"))
1230                         return atPCM;
1231         }
1232         return atUnknown;
1233 }
1234
1235 void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data)
1236 {
1237         const gchar* type;
1238         GstCaps* caps;
1239         GstStructure* str;
1240         caps = gst_pad_get_caps(pad);
1241         str = gst_caps_get_structure(caps, 0);
1242         type = gst_structure_get_name(str);
1243
1244         eDebug("A new pad %s:%s was created", GST_OBJECT_NAME (decodebin), GST_OBJECT_NAME (pad));
1245
1246         eServiceMP3 *_this = (eServiceMP3*)user_data;
1247         GstBin *pipeline = GST_BIN(_this->m_gst_pipeline);
1248         if (g_strrstr(type,"audio"))
1249         {
1250                 audioStream audio;
1251                 audio.type = _this->gstCheckAudioPad(str);
1252                 GstElement *switch_audio = gst_bin_get_by_name(pipeline , "switch_audio");
1253                 if ( switch_audio )
1254                 {
1255                         GstPad *sinkpad = gst_element_get_request_pad (switch_audio, "sink%d");
1256                         gst_pad_link(pad, sinkpad);
1257                         audio.pad = sinkpad;
1258                         _this->m_audioStreams.push_back(audio);
1259
1260                         if ( _this->m_audioStreams.size() == 1 )
1261                         {
1262                                 _this->selectAudioStream(0);
1263                                 gst_element_set_state (_this->m_gst_pipeline, GST_STATE_PLAYING);
1264                         }
1265                         else
1266                                 g_object_set (G_OBJECT (switch_audio), "select-all", FALSE, NULL);
1267                 }
1268                 else
1269                 {
1270                         GstElement *queue_audio = gst_bin_get_by_name(pipeline , "queue_audio");
1271                         if ( queue_audio )
1272                         {
1273                                 gst_pad_link(pad, gst_element_get_static_pad(queue_audio, "sink"));
1274                                 _this->m_audioStreams.push_back(audio);
1275                         }
1276                         else
1277                                 gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline , "audiosink"), "sink"));
1278                 }
1279         }
1280         if (g_strrstr(type,"video"))
1281         {
1282                 gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_video"), "sink"));
1283         }
1284         if (g_strrstr(type,"application/x-ssa") || g_strrstr(type,"application/x-ass"))
1285         {
1286                 GstPad *switchpad = _this->gstCreateSubtitleSink(_this, stSSA);
1287                 gst_pad_link(pad, switchpad);
1288                 subtitleStream subs;
1289                 subs.pad = switchpad;
1290                 subs.type = stSSA;
1291                 _this->m_subtitleStreams.push_back(subs);
1292         }
1293         if (g_strrstr(type,"text/plain"))
1294         {
1295                 GstPad *switchpad = _this->gstCreateSubtitleSink(_this, stPlainText);
1296                 gst_pad_link(pad, switchpad);
1297                 subtitleStream subs;
1298                 subs.pad = switchpad;
1299                 subs.type = stPlainText;
1300                 _this->m_subtitleStreams.push_back(subs);
1301         }
1302 }
1303
1304 GstPad* eServiceMP3::gstCreateSubtitleSink(eServiceMP3* _this, subtype_t type)
1305 {
1306         GstBin *pipeline = GST_BIN(_this->m_gst_pipeline);
1307         GstElement *switch_subparse = gst_bin_get_by_name(pipeline,"switch_subparse");
1308         if ( !switch_subparse )
1309         {
1310                 switch_subparse = gst_element_factory_make ("input-selector", "switch_subparse");
1311                 GstElement *sink = gst_element_factory_make("fakesink", "sink_subtitles");
1312                 gst_bin_add_many(pipeline, switch_subparse, sink, NULL);
1313                 gst_element_link(switch_subparse, sink);
1314                 g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
1315                 g_object_set (G_OBJECT(sink), "sync", TRUE, NULL);
1316                 g_object_set (G_OBJECT(sink), "async", FALSE, NULL);
1317                 g_signal_connect(sink, "handoff", G_CALLBACK(_this->gstCBsubtitleAvail), _this);
1318
1319                 // order is essential since requested sink pad names can't be explicitely chosen
1320                 GstElement *switch_substream_plain = gst_element_factory_make ("input-selector", "switch_substream_plain");
1321                 gst_bin_add(pipeline, switch_substream_plain);
1322                 GstPad *sinkpad_plain = gst_element_get_request_pad (switch_subparse, "sink%d");
1323                 gst_pad_link(gst_element_get_pad (switch_substream_plain, "src"), sinkpad_plain);
1324
1325                 GstElement *switch_substream_ssa = gst_element_factory_make ("input-selector", "switch_substream_ssa");
1326                 GstElement *ssaparse = gst_element_factory_make("ssaparse", "ssaparse");
1327                 gst_bin_add_many(pipeline, switch_substream_ssa, ssaparse, NULL);
1328                 GstPad *sinkpad_ssa = gst_element_get_request_pad (switch_subparse, "sink%d");
1329                 gst_element_link(switch_substream_ssa, ssaparse);
1330                 gst_pad_link(gst_element_get_pad (ssaparse, "src"), sinkpad_ssa);
1331
1332                 GstElement *switch_substream_srt = gst_element_factory_make ("input-selector", "switch_substream_srt");
1333                 GstElement *srtparse = gst_element_factory_make("subparse", "srtparse");
1334                 gst_bin_add_many(pipeline, switch_substream_srt, srtparse, NULL);
1335                 GstPad *sinkpad_srt = gst_element_get_request_pad (switch_subparse, "sink%d");
1336                 gst_element_link(switch_substream_srt, srtparse);
1337                 gst_pad_link(gst_element_get_pad (srtparse, "src"), sinkpad_srt);
1338                 g_object_set (G_OBJECT(srtparse), "subtitle-encoding", "ISO-8859-15", NULL);
1339         }
1340
1341         switch (type)
1342         {
1343                 case stSSA:
1344                         return gst_element_get_request_pad (gst_bin_get_by_name(pipeline,"switch_substream_ssa"), "sink%d");
1345                 case stSRT:
1346                         return gst_element_get_request_pad (gst_bin_get_by_name(pipeline,"switch_substream_srt"), "sink%d");
1347                 case stPlainText:
1348                 default:
1349                         break;
1350         }
1351         return gst_element_get_request_pad (gst_bin_get_by_name(pipeline,"switch_substream_plain"), "sink%d");
1352 }
1353
1354 void eServiceMP3::gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data)
1355 {
1356         eServiceMP3 *_this = (eServiceMP3*)user_data;
1357         GstElement *decoder = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"decoder");
1358         gst_pad_link(pad, gst_element_get_static_pad (decoder, "sink"));
1359 }
1360
1361 void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data)
1362 {
1363         eServiceMP3 *_this = (eServiceMP3*)user_data;
1364         GstCaps *caps;
1365         GstStructure *str;
1366         GstPad *audiopad;
1367
1368         /* only link once */
1369         GstElement *audiobin = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"audiobin");
1370         audiopad = gst_element_get_static_pad (audiobin, "sink");
1371         if ( !audiopad || GST_PAD_IS_LINKED (audiopad)) {
1372                 eDebug("audio already linked!");
1373                 g_object_unref (audiopad);
1374                 return;
1375         }
1376
1377         /* check media type */
1378         caps = gst_pad_get_caps (pad);
1379         str = gst_caps_get_structure (caps, 0);
1380         eDebug("gst new pad! %s", gst_structure_get_name (str));
1381
1382         if (!g_strrstr (gst_structure_get_name (str), "audio")) {
1383                 gst_caps_unref (caps);
1384                 gst_object_unref (audiopad);
1385                 return;
1386         }
1387
1388         gst_caps_unref (caps);
1389         gst_pad_link (pad, audiopad);
1390 }
1391
1392 void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data)
1393 {
1394         GstStructure *str;
1395
1396         /* check media type */
1397         caps = gst_pad_get_caps (pad);
1398         str = gst_caps_get_structure (caps, 0);
1399         eDebug("unknown type: %s - this can't be decoded.", gst_structure_get_name (str));
1400         gst_caps_unref (caps);
1401 }
1402
1403 void eServiceMP3::gstPoll(const int&)
1404 {
1405                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1406                    us the wakup signal, but likely before it was posted.
1407                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1408
1409                    I need to understand the API a bit more to make this work
1410                    proplerly. */
1411         usleep(1);
1412
1413         GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline));
1414         GstMessage *message;
1415         while ((message = gst_bus_pop (bus)))
1416         {
1417                 gstBusCall(bus, message);
1418                 gst_message_unref (message);
1419         }
1420 }
1421
1422 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1423
1424 void eServiceMP3::gstCBsubtitleAvail(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer user_data)
1425 {
1426         gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1427         const unsigned char *text = (unsigned char *)GST_BUFFER_DATA(buffer);
1428         eDebug("gstCBsubtitleAvail: %s",text);
1429         eServiceMP3 *_this = (eServiceMP3*)user_data;
1430         if ( _this->m_subtitle_widget )
1431         {
1432                 ePangoSubtitlePage page;
1433                 gRGB rgbcol(0xD0,0xD0,0xD0);
1434                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)text));
1435                 page.m_timeout = duration_ns / 1000000;
1436                 (_this->m_subtitle_widget)->setPage(page);
1437         }
1438 }
1439
1440 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1441 {
1442         ePyObject entry;
1443         int tuplesize = PyTuple_Size(tuple);
1444         int pid;
1445         int type;
1446         gint nb_sources;
1447         GstPad *active_pad;
1448         GstElement *switch_substream = NULL;
1449         GstElement *switch_subparse = gst_bin_get_by_name (GST_BIN(m_gst_pipeline), "switch_subparse");
1450
1451         if (!PyTuple_Check(tuple))
1452                 goto error_out;
1453         if (tuplesize < 1)
1454                 goto error_out;
1455         entry = PyTuple_GET_ITEM(tuple, 1);
1456         if (!PyInt_Check(entry))
1457                 goto error_out;
1458         pid = PyInt_AsLong(entry);
1459         entry = PyTuple_GET_ITEM(tuple, 2);
1460         if (!PyInt_Check(entry))
1461                 goto error_out;
1462         type = PyInt_AsLong(entry);
1463
1464         switch ((subtype_t)type)
1465         {
1466                 case stPlainText:
1467                         switch_substream = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_substream_plain");
1468                         break;
1469                 case stSSA:
1470                         switch_substream = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_substream_ssa");
1471                         break;
1472                 case stSRT:
1473                         switch_substream = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_substream_srt");
1474                         break;
1475                 default:
1476                         goto error_out;
1477         }
1478
1479         m_subtitle_widget = new eSubtitleWidget(parent);
1480         m_subtitle_widget->resize(parent->size()); /* full size */
1481
1482         if ( !switch_substream )
1483         {
1484                 eDebug("can't switch subtitle tracks! gst-plugin-selector needed");
1485                 return -2;
1486         }
1487         g_object_get (G_OBJECT (switch_substream), "n-pads", &nb_sources, NULL);
1488         if ( (unsigned int)pid >= m_subtitleStreams.size() || pid >= nb_sources || (unsigned int)m_currentSubtitleStream >= m_subtitleStreams.size() )
1489                 return -2;
1490         g_object_get (G_OBJECT (switch_subparse), "n-pads", &nb_sources, NULL);
1491         if ( type < 0 || type >= nb_sources )
1492                 return -2;
1493
1494         char sinkpad[6];
1495         sprintf(sinkpad, "sink%d", type);
1496         g_object_set (G_OBJECT (switch_subparse), "active-pad", gst_element_get_pad (switch_subparse, sinkpad), NULL);
1497         sprintf(sinkpad, "sink%d", pid);
1498         g_object_set (G_OBJECT (switch_substream), "active-pad", gst_element_get_pad (switch_substream, sinkpad), NULL);
1499         m_currentSubtitleStream = pid;
1500
1501         return 0;
1502 error_out:
1503         eDebug("enableSubtitles needs a tuple as 2nd argument!\n"
1504                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1505         return -1;
1506 }
1507
1508 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1509 {
1510         eDebug("eServiceMP3::disableSubtitles");
1511         delete m_subtitle_widget;
1512         m_subtitle_widget = 0;
1513         return 0;
1514 }
1515
1516 PyObject *eServiceMP3::getCachedSubtitle()
1517 {
1518         eDebug("eServiceMP3::getCachedSubtitle");
1519         Py_RETURN_NONE;
1520 }
1521
1522 PyObject *eServiceMP3::getSubtitleList()
1523 {
1524         eDebug("eServiceMP3::getSubtitleList");
1525
1526         ePyObject l = PyList_New(0);
1527         int stream_count[sizeof(subtype_t)];
1528         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1529                 stream_count[i] = 0;
1530
1531         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1532         {
1533                 subtype_t type = IterSubtitleStream->type;
1534                 ePyObject tuple = PyTuple_New(5);
1535                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1536                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1537                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1538                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1539                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1540                 PyList_Append(l, tuple);
1541                 Py_DECREF(tuple);
1542                 stream_count[type]++;
1543         }
1544         return l;
1545 }
1546
1547 #else
1548 #warning gstreamer not available, not building media player
1549 #endif