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/ebase.h>
   6 #include <lib/base/eerror.h>
   7 #include <lib/base/init_num.h>
   8 #include <lib/base/init.h>
   9 #include <lib/base/nconfig.h>
  10 #include <lib/base/object.h>
  11 #include <lib/dvb/decoder.h>
  12 #include <lib/components/file_eraser.h>
  13 #include <lib/gui/esubtitle.h>
  14 #include <lib/service/servicemp3.h>
  15 #include <lib/service/service.h>
  16
  17 #include <string>
  18
  19 #include <gst/gst.h>
  20 #include <gst/pbutils/missing-plugins.h>
  21 #include <sys/stat.h>
  22
  23 // eServiceFactoryMP3
  24
  25 eServiceFactoryMP3::eServiceFactoryMP3()
  26 {
  27         ePtr<eServiceCenter> sc;
  28
  29         eServiceCenter::getPrivInstance(sc);
  30         if (sc)
  31         {
  32                 std::list<std::string> extensions;
  33                 extensions.push_back("mp2");
  34                 extensions.push_back("mp3");
  35                 extensions.push_back("ogg");
  36                 extensions.push_back("mpg");
  37                 extensions.push_back("vob");
  38                 extensions.push_back("wav");
  39                 extensions.push_back("wave");
  40                 extensions.push_back("m4v");
  41                 extensions.push_back("mkv");
  42                 extensions.push_back("avi");
  43                 extensions.push_back("divx");
  44                 extensions.push_back("dat");
  45                 extensions.push_back("flac");
  46                 extensions.push_back("mp4");
  47                 extensions.push_back("mov");
  48                 extensions.push_back("m4a");
  49                 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
  50         }
  51
  52         m_service_info = new eStaticServiceMP3Info();
  53 }
  54
  55 eServiceFactoryMP3::~eServiceFactoryMP3()
  56 {
  57         ePtr<eServiceCenter> sc;
  58
  59         eServiceCenter::getPrivInstance(sc);
  60         if (sc)
  61                 sc->removeServiceFactory(eServiceFactoryMP3::id);
  62 }
  63
  64 DEFINE_REF(eServiceFactoryMP3)
  65
  66         // iServiceHandler
  67 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
  68 {
  69                 // check resources...
  70         ptr = new eServiceMP3(ref);
  71         return 0;
  72 }
  73
  74 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
  75 {
  76         ptr=0;
  77         return -1;
  78 }
  79
  80 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
  81 {
  82         ptr=0;
  83         return -1;
  84 }
  85
  86 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
  87 {
  88         ptr = m_service_info;
  89         return 0;
  90 }
  91
  92 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
  93 {
  94         DECLARE_REF(eMP3ServiceOfflineOperations);
  95         eServiceReference m_ref;
  96 public:
  97         eMP3ServiceOfflineOperations(const eServiceReference &ref);
  98
  99         RESULT deleteFromDisk(int simulate);
 100         RESULT getListOfFilenames(std::list<std::string> &);
 101         RESULT reindex();
 102 };
 103
 104 DEFINE_REF(eMP3ServiceOfflineOperations);
 105
 106 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 107 {
 108 }
 109
 110 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
 111 {
 112         if (simulate)
 113                 return 0;
 114         else
 115         {
 116                 std::list<std::string> res;
 117                 if (getListOfFilenames(res))
 118                         return -1;
 119
 120                 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
 121                 if (!eraser)
 122                         eDebug("FATAL !! can't get background file eraser");
 123
 124                 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
 125                 {
 126                         eDebug("Removing %s...", i->c_str());
 127                         if (eraser)
 128                                 eraser->erase(i->c_str());
 129                         else
 130                                 ::unlink(i->c_str());
 131                 }
 132
 133                 return 0;
 134         }
 135 }
 136
 137 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
 138 {
 139         res.clear();
 140         res.push_back(m_ref.path);
 141         return 0;
 142 }
 143
 144 RESULT eMP3ServiceOfflineOperations::reindex()
 145 {
 146         return -1;
 147 }
 148
 149
 150 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
 151 {
 152         ptr = new eMP3ServiceOfflineOperations(ref);
 153         return 0;
 154 }
 155
 156 // eStaticServiceMP3Info
 157
 158
 159 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
 160 // about unopened files.
 161
 162 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
 163 // should have a database backend where ID3-files etc. are cached.
 164 // this would allow listing the mp3 database based on certain filters.
 165
 166 DEFINE_REF(eStaticServiceMP3Info)
 167
 168 eStaticServiceMP3Info::eStaticServiceMP3Info()
 169 {
 170 }
 171
 172 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 173 {
 174         if ( ref.name.length() )
 175                 name = ref.name;
 176         else
 177         {
 178                 size_t last = ref.path.rfind('/');
 179                 if (last != std::string::npos)
 180                         name = ref.path.substr(last+1);
 181                 else
 182                         name = ref.path;
 183         }
 184         return 0;
 185 }
 186
 187 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 188 {
 189         return -1;
 190 }
 191
 192 int eStaticServiceMP3Info::getInfo(const eServiceReference &ref, int w)
 193 {
 194         switch (w)
 195         {
 196         case iServiceInformation::sTimeCreate:
 197         {
 198                 struct stat s;
 199                 if(stat(ref.path.c_str(), &s) == 0)
 200                 {
 201                   return s.st_mtime;
 202                 }
 203                 return iServiceInformation::resNA;
 204         }
 205         default: break;
 206         }
 207         return iServiceInformation::resNA;
 208 }
 209
 210
 211 // eServiceMP3
 212 int eServiceMP3::ac3_delay,
 213     eServiceMP3::pcm_delay;
 214
 215 eServiceMP3::eServiceMP3(eServiceReference ref)
 216         :m_ref(ref), m_pump(eApp, 1)
 217 {
 218         m_seekTimeout = eTimer::create(eApp);
 219         m_subtitle_sync_timer = eTimer::create(eApp);
 220         m_stream_tags = 0;
 221         m_currentAudioStream = -1;
 222         m_currentSubtitleStream = 0;
 223         m_subtitle_widget = 0;
 224         m_currentTrickRatio = 0;
 225         m_subs_to_pull = 0;
 226         m_buffer_size = 1*1024*1024;
 227         CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
 228         CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
 229         CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
 230         m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 231
 232         m_state = stIdle;
 233         eDebug("eServiceMP3::construct!");
 234
 235         const char *filename = m_ref.path.c_str();
 236         const char *ext = strrchr(filename, '.');
 237         if (!ext)
 238                 ext = filename;
 239
 240         sourceStream sourceinfo;
 241         sourceinfo.is_video = FALSE;
 242         sourceinfo.audiotype = atUnknown;
 243         if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
 244         {
 245                 sourceinfo.containertype = ctMPEGPS;
 246                 sourceinfo.is_video = TRUE;
 247         }
 248         else if ( strcasecmp(ext, ".ts") == 0 )
 249         {
 250                 sourceinfo.containertype = ctMPEGTS;
 251                 sourceinfo.is_video = TRUE;
 252         }
 253         else if ( strcasecmp(ext, ".mkv") == 0 )
 254         {
 255                 sourceinfo.containertype = ctMKV;
 256                 sourceinfo.is_video = TRUE;
 257         }
 258         else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
 259         {
 260                 sourceinfo.containertype = ctAVI;
 261                 sourceinfo.is_video = TRUE;
 262         }
 263         else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0 || strcasecmp(ext, ".m4v") == 0)
 264         {
 265                 sourceinfo.containertype = ctMP4;
 266                 sourceinfo.is_video = TRUE;
 267         }
 268         else if ( strcasecmp(ext, ".m4a") == 0 )
 269         {
 270                 sourceinfo.containertype = ctMP4;
 271                 sourceinfo.audiotype = atAAC;
 272         }
 273         else if ( strcasecmp(ext, ".mp3") == 0 )
 274                 sourceinfo.audiotype = atMP3;
 275         else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
 276                 sourceinfo.containertype = ctCDA;
 277         if ( strcasecmp(ext, ".dat") == 0 )
 278         {
 279                 sourceinfo.containertype = ctVCD;
 280                 sourceinfo.is_video = TRUE;
 281         }
 282         if ( (strncmp(filename, "http://", 7)) == 0 || (strncmp(filename, "udp://", 6)) == 0 || (strncmp(filename, "rtp://", 6)) == 0  || (strncmp(filename, "https://", 8)) == 0 || (strncmp(filename, "mms://", 6)) == 0 || (strncmp(filename, "rtsp://", 7)) == 0 )
 283                 sourceinfo.is_streaming = TRUE;
 284
 285         gchar *uri;
 286
 287         if ( sourceinfo.is_streaming )
 288         {
 289                 uri = g_strdup_printf ("%s", filename);
 290         }
 291         else if ( sourceinfo.containertype == ctCDA )
 292         {
 293                 int i_track = atoi(filename+18);
 294                 uri = g_strdup_printf ("cdda://%i", i_track);
 295         }
 296         else if ( sourceinfo.containertype == ctVCD )
 297         {
 298                 int fd = open(filename,O_RDONLY);
 299                 char tmp[128*1024];
 300                 int ret = read(fd, tmp, 128*1024);
 301                 close(fd);
 302                 if ( ret == -1 ) // this is a "REAL" VCD
 303                         uri = g_strdup_printf ("vcd://");
 304                 else
 305                         uri = g_strdup_printf ("file://%s", filename);
 306         }
 307         else
 308
 309                 uri = g_strdup_printf ("file://%s", filename);
 310
 311         eDebug("eServiceMP3::playbin2 uri=%s", uri);
 312
 313         m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
 314         if (!m_gst_playbin)
 315                 m_error_message = "failed to create GStreamer pipeline!\n";
 316
 317         g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
 318
 319         int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
 320         g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
 321
 322         g_free(uri);
 323
 324         GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
 325         if (!subsink)
 326                 eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
 327         else
 328         {
 329                 m_subs_to_pull_handler_id = g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
 330                 g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
 331         }
 332
 333         if ( m_gst_playbin )
 334         {
 335                 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
 336                 char srt_filename[strlen(filename)+1];
 337                 strncpy(srt_filename,filename,strlen(filename)-3);
 338                 srt_filename[strlen(filename)-3]='\0';
 339                 strcat(srt_filename, "srt");
 340                 struct stat buffer;
 341                 if (stat(srt_filename, &buffer) == 0)
 342                 {
 343                         std::string suburi = "file://" + (std::string)srt_filename;
 344                         eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
 345                         g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
 346                         subtitleStream subs;
 347                         subs.type = stSRT;
 348                         subs.language_code = std::string("und");
 349                         m_subtitleStreams.push_back(subs);
 350                 }
 351         } else
 352         {
 353                 m_event((iPlayableService*)this, evUser+12);
 354
 355                 if (m_gst_playbin)
 356                         gst_object_unref(GST_OBJECT(m_gst_playbin));
 357
 358                 eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
 359                 m_gst_playbin = 0;
 360         }
 361
 362         setBufferSize(m_buffer_size);
 363 }
 364
 365 eServiceMP3::~eServiceMP3()
 366 {
 367         // disconnect subtitle callback
 368         GstElement *sink;
 369         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
 370         if (sink)
 371         {
 372                 g_signal_handler_disconnect (sink, m_subs_to_pull_handler_id);
 373                 gst_object_unref(sink);
 374         }
 375
 376         delete m_subtitle_widget;
 377
 378         // disconnect sync handler callback
 379         gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), NULL, NULL);
 380
 381         if (m_state == stRunning)
 382                 stop();
 383
 384         if (m_stream_tags)
 385                 gst_tag_list_free(m_stream_tags);
 386
 387         if (m_gst_playbin)
 388         {
 389                 gst_object_unref (GST_OBJECT (m_gst_playbin));
 390                 eDebug("eServiceMP3::destruct!");
 391         }
 392 }
 393
 394 DEFINE_REF(eServiceMP3);
 395
 396 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
 397 {
 398         connection = new eConnection((iPlayableService*)this, m_event.connect(event));
 399         return 0;
 400 }
 401
 402 RESULT eServiceMP3::start()
 403 {
 404         ASSERT(m_state == stIdle);
 405
 406         m_state = stRunning;
 407         if (m_gst_playbin)
 408         {
 409                 eDebug("eServiceMP3::starting pipeline");
 410                 gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 411         }
 412
 413         m_event(this, evStart);
 414
 415         return 0;
 416 }
 417
 418 RESULT eServiceMP3::stop()
 419 {
 420         ASSERT(m_state != stIdle);
 421
 422         if (m_state == stStopped)
 423                 return -1;
 424
 425         eDebug("eServiceMP3::stop %s", m_ref.path.c_str());
 426         gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
 427         m_state = stStopped;
 428
 429         return 0;
 430 }
 431
 432 RESULT eServiceMP3::setTarget(int target)
 433 {
 434         return -1;
 435 }
 436
 437 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 438 {
 439         ptr=this;
 440         return 0;
 441 }
 442
 443 RESULT eServiceMP3::setSlowMotion(int ratio)
 444 {
 445         if (!ratio)
 446                 return 0;
 447         eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
 448         return trickSeek(1/(float)ratio);
 449 }
 450
 451 RESULT eServiceMP3::setFastForward(int ratio)
 452 {
 453         eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
 454         return trickSeek(ratio);
 455 }
 456
 457 void eServiceMP3::seekTimeoutCB()
 458 {
 459         pts_t ppos, len;
 460         getPlayPosition(ppos);
 461         getLength(len);
 462         ppos += 90000*m_currentTrickRatio;
 463
 464         if (ppos < 0)
 465         {
 466                 ppos = 0;
 467                 m_seekTimeout->stop();
 468         }
 469         if (ppos > len)
 470         {
 471                 ppos = 0;
 472                 stop();
 473                 m_seekTimeout->stop();
 474                 return;
 475         }
 476         seekTo(ppos);
 477 }
 478
 479                 // iPausableService
 480 RESULT eServiceMP3::pause()
 481 {
 482         if (!m_gst_playbin || m_state != stRunning)
 483                 return -1;
 484
 485         gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
 486
 487         return 0;
 488 }
 489
 490 RESULT eServiceMP3::unpause()
 491 {
 492         if (!m_gst_playbin || m_state != stRunning)
 493                 return -1;
 494
 495         gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
 496
 497         return 0;
 498 }
 499
 500         /* iSeekableService */
 501 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
 502 {
 503         ptr = this;
 504         return 0;
 505 }
 506
 507 RESULT eServiceMP3::getLength(pts_t &pts)
 508 {
 509         if (!m_gst_playbin)
 510                 return -1;
 511
 512         if (m_state != stRunning)
 513                 return -1;
 514
 515         GstFormat fmt = GST_FORMAT_TIME;
 516         gint64 len;
 517
 518         if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
 519                 return -1;
 520                 /* len is in nanoseconds. we have 90 000 pts per second. */
 521
 522         pts = len / 11111;
 523         return 0;
 524 }
 525
 526 RESULT eServiceMP3::seekToImpl(pts_t to)
 527 {
 528                 /* convert pts to nanoseconds */
 529         gint64 time_nanoseconds = to * 11111LL;
 530         if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
 531                 GST_SEEK_TYPE_SET, time_nanoseconds,
 532                 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
 533         {
 534                 eDebug("eServiceMP3::seekTo failed");
 535                 return -1;
 536         }
 537
 538         return 0;
 539 }
 540
 541 RESULT eServiceMP3::seekTo(pts_t to)
 542 {
 543         RESULT ret = -1;
 544
 545         if (m_gst_playbin) {
 546                 eSingleLocker l(m_subs_to_pull_lock); // this is needed to dont handle incomming subtitles during seek!
 547                 if (!(ret = seekToImpl(to)))
 548                 {
 549                         m_subtitle_pages.clear();
 550                         m_subs_to_pull = 0;
 551                 }
 552         }
 553
 554         return ret;
 555 }
 556
 557
 558 RESULT eServiceMP3::trickSeek(gdouble ratio)
 559 {
 560         if (!m_gst_playbin)
 561                 return -1;
 562         if (!ratio)
 563                 return seekRelative(0, 0);
 564
 565         GstEvent *s_event;
 566         int flags;
 567         flags = GST_SEEK_FLAG_NONE;
 568         flags |= GST_SEEK_FLAG_FLUSH;
 569 //      flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
 570         flags |= GST_SEEK_FLAG_KEY_UNIT;
 571 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
 572 //      flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
 573
 574         GstFormat fmt = GST_FORMAT_TIME;
 575         gint64 pos, len;
 576         gst_element_query_duration(m_gst_playbin, &fmt, &len);
 577         gst_element_query_position(m_gst_playbin, &fmt, &pos);
 578
 579         if ( ratio >= 0 )
 580         {
 581                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
 582
 583                 eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
 584         }
 585         else
 586         {
 587                 s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, (GstSeekFlags)(GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH), GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
 588         }
 589
 590         if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
 591         {
 592                 eDebug("eServiceMP3::trickSeek failed");
 593                 return -1;
 594         }
 595
 596         return 0;
 597 }
 598
 599
 600 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
 601 {
 602         if (!m_gst_playbin)
 603                 return -1;
 604
 605         pts_t ppos;
 606         getPlayPosition(ppos);
 607         ppos += to * direction;
 608         if (ppos < 0)
 609                 ppos = 0;
 610         seekTo(ppos);
 611
 612         return 0;
 613 }
 614
 615 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
 616 {
 617         GstFormat fmt = GST_FORMAT_TIME;
 618         gint64 pos;
 619         GstElement *sink;
 620         pts = 0;
 621
 622         if (!m_gst_playbin)
 623                 return -1;
 624         if (m_state != stRunning)
 625                 return -1;
 626
 627         g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 628
 629         if (!sink)
 630                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 631
 632         if (!sink)
 633                 return -1;
 634
 635         gchar *name = gst_element_get_name(sink);
 636         gboolean use_get_decoder_time = strstr(name, "dvbaudiosink") || strstr(name, "dvbvideosink");
 637         g_free(name);
 638
 639         if (use_get_decoder_time)
 640                 g_signal_emit_by_name(sink, "get-decoder-time", &pos);
 641
 642         gst_object_unref(sink);
 643
 644         if (!use_get_decoder_time && !gst_element_query_position(m_gst_playbin, &fmt, &pos)) {
 645                 eDebug("gst_element_query_position failed in getPlayPosition");
 646                 return -1;
 647         }
 648
 649         /* pos is in nanoseconds. we have 90 000 pts per second. */
 650         pts = pos / 11111;
 651         return 0;
 652 }
 653
 654 RESULT eServiceMP3::setTrickmode(int trick)
 655 {
 656                 /* trickmode is not yet supported by our dvbmediasinks. */
 657         return -1;
 658 }
 659
 660 RESULT eServiceMP3::isCurrentlySeekable()
 661 {
 662         int ret = 3; // seeking and fast/slow winding possible
 663         GstElement *sink;
 664
 665         if (!m_gst_playbin)
 666                 return 0;
 667         if (m_state != stRunning)
 668                 return 0;
 669
 670         g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
 671
 672         // disable fast winding yet when a dvbvideosink or dvbaudiosink is used
 673         // for this we must do some changes on different places.. (gstreamer.. our sinks.. enigma2)
 674         if (sink) {
 675                 ret &= ~2; // only seeking possible
 676                 gst_object_unref(sink);
 677         }
 678         else {
 679                 g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
 680                 if (sink) {
 681                         ret &= ~2; // only seeking possible
 682                         gst_object_unref(sink);
 683                 }
 684         }
 685
 686         return ret;
 687 }
 688
 689 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 690 {
 691         i = this;
 692         return 0;
 693 }
 694
 695 RESULT eServiceMP3::getName(std::string &name)
 696 {
 697         std::string title = m_ref.getName();
 698         if (title.empty())
 699         {
 700                 name = m_ref.path;
 701                 size_t n = name.rfind('/');
 702                 if (n != std::string::npos)
 703                         name = name.substr(n + 1);
 704         }
 705         else
 706                 name = title;
 707         return 0;
 708 }
 709
 710 int eServiceMP3::getInfo(int w)
 711 {
 712         const gchar *tag = 0;
 713
 714         switch (w)
 715         {
 716         case sServiceref: return m_ref;
 717         case sVideoHeight: return m_height;
 718         case sVideoWidth: return m_width;
 719         case sFrameRate: return m_framerate;
 720         case sProgressive: return m_progressive;
 721         case sAspect: return m_aspect;
 722         case sTagTitle:
 723         case sTagArtist:
 724         case sTagAlbum:
 725         case sTagTitleSortname:
 726         case sTagArtistSortname:
 727         case sTagAlbumSortname:
 728         case sTagDate:
 729         case sTagComposer:
 730         case sTagGenre:
 731         case sTagComment:
 732         case sTagExtendedComment:
 733         case sTagLocation:
 734         case sTagHomepage:
 735         case sTagDescription:
 736         case sTagVersion:
 737         case sTagISRC:
 738         case sTagOrganization:
 739         case sTagCopyright:
 740         case sTagCopyrightURI:
 741         case sTagContact:
 742         case sTagLicense:
 743         case sTagLicenseURI:
 744         case sTagCodec:
 745         case sTagAudioCodec:
 746         case sTagVideoCodec:
 747         case sTagEncoder:
 748         case sTagLanguageCode:
 749         case sTagKeywords:
 750         case sTagChannelMode:
 751         case sUser+12:
 752                 return resIsString;
 753         case sTagTrackGain:
 754         case sTagTrackPeak:
 755         case sTagAlbumGain:
 756         case sTagAlbumPeak:
 757         case sTagReferenceLevel:
 758         case sTagBeatsPerMinute:
 759         case sTagImage:
 760         case sTagPreviewImage:
 761         case sTagAttachment:
 762                 return resIsPyObject;
 763         case sTagTrackNumber:
 764                 tag = GST_TAG_TRACK_NUMBER;
 765                 break;
 766         case sTagTrackCount:
 767                 tag = GST_TAG_TRACK_COUNT;
 768                 break;
 769         case sTagAlbumVolumeNumber:
 770                 tag = GST_TAG_ALBUM_VOLUME_NUMBER;
 771                 break;
 772         case sTagAlbumVolumeCount:
 773                 tag = GST_TAG_ALBUM_VOLUME_COUNT;
 774                 break;
 775         case sTagBitrate:
 776                 tag = GST_TAG_BITRATE;
 777                 break;
 778         case sTagNominalBitrate:
 779                 tag = GST_TAG_NOMINAL_BITRATE;
 780                 break;
 781         case sTagMinimumBitrate:
 782                 tag = GST_TAG_MINIMUM_BITRATE;
 783                 break;
 784         case sTagMaximumBitrate:
 785                 tag = GST_TAG_MAXIMUM_BITRATE;
 786                 break;
 787         case sTagSerial:
 788                 tag = GST_TAG_SERIAL;
 789                 break;
 790         case sTagEncoderVersion:
 791                 tag = GST_TAG_ENCODER_VERSION;
 792                 break;
 793         case sTagCRC:
 794                 tag = "has-crc";
 795                 break;
 796         default:
 797                 return resNA;
 798         }
 799
 800         if (!m_stream_tags || !tag)
 801                 return 0;
 802
 803         guint value;
 804         if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
 805                 return (int) value;
 806
 807         return 0;
 808 }
 809
 810 std::string eServiceMP3::getInfoString(int w)
 811 {
 812         if ( !m_stream_tags && w < sUser && w > 26 )
 813                 return "";
 814         const gchar *tag = 0;
 815         switch (w)
 816         {
 817         case sTagTitle:
 818                 tag = GST_TAG_TITLE;
 819                 break;
 820         case sTagArtist:
 821                 tag = GST_TAG_ARTIST;
 822                 break;
 823         case sTagAlbum:
 824                 tag = GST_TAG_ALBUM;
 825                 break;
 826         case sTagTitleSortname:
 827                 tag = GST_TAG_TITLE_SORTNAME;
 828                 break;
 829         case sTagArtistSortname:
 830                 tag = GST_TAG_ARTIST_SORTNAME;
 831                 break;
 832         case sTagAlbumSortname:
 833                 tag = GST_TAG_ALBUM_SORTNAME;
 834                 break;
 835         case sTagDate:
 836                 GDate *date;
 837                 if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
 838                 {
 839                         gchar res[5];
 840                         g_date_strftime (res, sizeof(res), "%Y-%M-%D", date);
 841                         return (std::string)res;
 842                 }
 843                 break;
 844         case sTagComposer:
 845                 tag = GST_TAG_COMPOSER;
 846                 break;
 847         case sTagGenre:
 848                 tag = GST_TAG_GENRE;
 849                 break;
 850         case sTagComment:
 851                 tag = GST_TAG_COMMENT;
 852                 break;
 853         case sTagExtendedComment:
 854                 tag = GST_TAG_EXTENDED_COMMENT;
 855                 break;
 856         case sTagLocation:
 857                 tag = GST_TAG_LOCATION;
 858                 break;
 859         case sTagHomepage:
 860                 tag = GST_TAG_HOMEPAGE;
 861                 break;
 862         case sTagDescription:
 863                 tag = GST_TAG_DESCRIPTION;
 864                 break;
 865         case sTagVersion:
 866                 tag = GST_TAG_VERSION;
 867                 break;
 868         case sTagISRC:
 869                 tag = GST_TAG_ISRC;
 870                 break;
 871         case sTagOrganization:
 872                 tag = GST_TAG_ORGANIZATION;
 873                 break;
 874         case sTagCopyright:
 875                 tag = GST_TAG_COPYRIGHT;
 876                 break;
 877         case sTagCopyrightURI:
 878                 tag = GST_TAG_COPYRIGHT_URI;
 879                 break;
 880         case sTagContact:
 881                 tag = GST_TAG_CONTACT;
 882                 break;
 883         case sTagLicense:
 884                 tag = GST_TAG_LICENSE;
 885                 break;
 886         case sTagLicenseURI:
 887                 tag = GST_TAG_LICENSE_URI;
 888                 break;
 889         case sTagCodec:
 890                 tag = GST_TAG_CODEC;
 891                 break;
 892         case sTagAudioCodec:
 893                 tag = GST_TAG_AUDIO_CODEC;
 894                 break;
 895         case sTagVideoCodec:
 896                 tag = GST_TAG_VIDEO_CODEC;
 897                 break;
 898         case sTagEncoder:
 899                 tag = GST_TAG_ENCODER;
 900                 break;
 901         case sTagLanguageCode:
 902                 tag = GST_TAG_LANGUAGE_CODE;
 903                 break;
 904         case sTagKeywords:
 905                 tag = GST_TAG_KEYWORDS;
 906                 break;
 907         case sTagChannelMode:
 908                 tag = "channel-mode";
 909                 break;
 910         case sUser+12:
 911                 return m_error_message;
 912         default:
 913                 return "";
 914         }
 915         if ( !tag )
 916                 return "";
 917         gchar *value;
 918         if (gst_tag_list_get_string(m_stream_tags, tag, &value))
 919         {
 920                 std::string res = value;
 921                 g_free(value);
 922                 return res;
 923         }
 924         return "";
 925 }
 926
 927 PyObject *eServiceMP3::getInfoObject(int w)
 928 {
 929         const gchar *tag = 0;
 930         bool isBuffer = false;
 931         switch (w)
 932         {
 933                 case sTagTrackGain:
 934                         tag = GST_TAG_TRACK_GAIN;
 935                         break;
 936                 case sTagTrackPeak:
 937                         tag = GST_TAG_TRACK_PEAK;
 938                         break;
 939                 case sTagAlbumGain:
 940                         tag = GST_TAG_ALBUM_GAIN;
 941                         break;
 942                 case sTagAlbumPeak:
 943                         tag = GST_TAG_ALBUM_PEAK;
 944                         break;
 945                 case sTagReferenceLevel:
 946                         tag = GST_TAG_REFERENCE_LEVEL;
 947                         break;
 948                 case sTagBeatsPerMinute:
 949                         tag = GST_TAG_BEATS_PER_MINUTE;
 950                         break;
 951                 case sTagImage:
 952                         tag = GST_TAG_IMAGE;
 953                         isBuffer = true;
 954                         break;
 955                 case sTagPreviewImage:
 956                         tag = GST_TAG_PREVIEW_IMAGE;
 957                         isBuffer = true;
 958                         break;
 959                 case sTagAttachment:
 960                         tag = GST_TAG_ATTACHMENT;
 961                         isBuffer = true;
 962                         break;
 963                 default:
 964                         break;
 965         }
 966
 967         if ( isBuffer )
 968         {
 969                 const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
 970                 if ( gv_buffer )
 971                 {
 972                         GstBuffer *buffer;
 973                         buffer = gst_value_get_buffer (gv_buffer);
 974                         return PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
 975                 }
 976         }
 977         else
 978         {
 979                 gdouble value = 0.0;
 980                 gst_tag_list_get_double(m_stream_tags, tag, &value);
 981                 return PyFloat_FromDouble(value);
 982         }
 983
 984         return 0;
 985 }
 986
 987 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
 988 {
 989         ptr = this;
 990         return 0;
 991 }
 992
 993 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
 994 {
 995         ptr = this;
 996         return 0;
 997 }
 998
 999 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
1000 {
1001         ptr = this;
1002         return 0;
1003 }
1004
1005 RESULT eServiceMP3::audioDelay(ePtr<iAudioDelay> &ptr)
1006 {
1007         ptr = this;
1008         return 0;
1009 }
1010
1011 int eServiceMP3::getNumberOfTracks()
1012 {
1013         return m_audioStreams.size();
1014 }
1015
1016 int eServiceMP3::getCurrentTrack()
1017 {
1018         if (m_currentAudioStream == -1)
1019                 g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &m_currentAudioStream, NULL);
1020         return m_currentAudioStream;
1021 }
1022
1023 RESULT eServiceMP3::selectTrack(unsigned int i)
1024 {
1025         pts_t ppos;
1026         getPlayPosition(ppos);
1027         ppos -= 90000;
1028         if (ppos < 0)
1029                 ppos = 0;
1030
1031         int ret = selectAudioStream(i);
1032         if (!ret) {
1033                 /* flush */
1034                 seekTo(ppos);
1035         }
1036
1037         return ret;
1038 }
1039
1040 int eServiceMP3::selectAudioStream(int i)
1041 {
1042         int current_audio;
1043         g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
1044         g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
1045         if ( current_audio == i )
1046         {
1047                 eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
1048                 m_currentAudioStream = i;
1049                 return 0;
1050         }
1051         return -1;
1052 }
1053
1054 int eServiceMP3::getCurrentChannel()
1055 {
1056         return STEREO;
1057 }
1058
1059 RESULT eServiceMP3::selectChannel(int i)
1060 {
1061         eDebug("eServiceMP3::selectChannel(%i)",i);
1062         return 0;
1063 }
1064
1065 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
1066 {
1067         if (i >= m_audioStreams.size())
1068                 return -2;
1069                 info.m_description = m_audioStreams[i].codec;
1070 /*      if (m_audioStreams[i].type == atMPEG)
1071                 info.m_description = "MPEG";
1072         else if (m_audioStreams[i].type == atMP3)
1073                 info.m_description = "MP3";
1074         else if (m_audioStreams[i].type == atAC3)
1075                 info.m_description = "AC3";
1076         else if (m_audioStreams[i].type == atAAC)
1077                 info.m_description = "AAC";
1078         else if (m_audioStreams[i].type == atDTS)
1079                 info.m_description = "DTS";
1080         else if (m_audioStreams[i].type == atPCM)
1081                 info.m_description = "PCM";
1082         else if (m_audioStreams[i].type == atOGG)
1083                 info.m_description = "OGG";
1084         else if (m_audioStreams[i].type == atFLAC)
1085                 info.m_description = "FLAC";
1086         else
1087                 info.m_description = "???";*/
1088         if (info.m_language.empty())
1089                 info.m_language = m_audioStreams[i].language_code;
1090         return 0;
1091 }
1092
1093 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
1094 {
1095         if (!msg)
1096                 return;
1097         gchar *sourceName;
1098         GstObject *source;
1099
1100         source = GST_MESSAGE_SRC(msg);
1101         sourceName = gst_object_get_name(source);
1102 #if 0
1103         if (gst_message_get_structure(msg))
1104         {
1105                 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
1106                 eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
1107                 g_free(string);
1108         }
1109         else
1110                 eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
1111 #endif
1112         switch (GST_MESSAGE_TYPE (msg))
1113         {
1114                 case GST_MESSAGE_EOS:
1115                         m_event((iPlayableService*)this, evEOF);
1116                         break;
1117                 case GST_MESSAGE_STATE_CHANGED:
1118                 {
1119                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1120                                 break;
1121
1122                         GstState old_state, new_state;
1123                         gst_message_parse_state_changed(msg, &old_state, &new_state, NULL);
1124
1125                         if(old_state == new_state)
1126                                 break;
1127
1128                         eDebug("eServiceMP3::state transition %s -> %s", gst_element_state_get_name(old_state), gst_element_state_get_name(new_state));
1129
1130                         GstStateChange transition = (GstStateChange)GST_STATE_TRANSITION(old_state, new_state);
1131
1132                         switch(transition)
1133                         {
1134                                 case GST_STATE_CHANGE_NULL_TO_READY:
1135                                 {
1136                                 }       break;
1137                                 case GST_STATE_CHANGE_READY_TO_PAUSED:
1138                                 {
1139                                         GstElement *sink;
1140                                         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1141                                         if (sink)
1142                                         {
1143                                                 g_object_set (G_OBJECT (sink), "max-buffers", 2, NULL);
1144                                                 g_object_set (G_OBJECT (sink), "sync", FALSE, NULL);
1145                                                 g_object_set (G_OBJECT (sink), "async", FALSE, NULL);
1146                                                 g_object_set (G_OBJECT (sink), "emit-signals", TRUE, NULL);
1147                                                 gst_object_unref(sink);
1148                                         }
1149                                         setAC3Delay(ac3_delay);
1150                                         setPCMDelay(pcm_delay);
1151                                 }       break;
1152                                 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1153                                 {
1154                                 }       break;
1155                                 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1156                                 {
1157                                 }       break;
1158                                 case GST_STATE_CHANGE_PAUSED_TO_READY:
1159                                 {
1160                                 }       break;
1161                                 case GST_STATE_CHANGE_READY_TO_NULL:
1162                                 {
1163                                 }       break;
1164                         }
1165                         break;
1166                 }
1167                 case GST_MESSAGE_ERROR:
1168                 {
1169                         gchar *debug;
1170                         GError *err;
1171                         gst_message_parse_error (msg, &err, &debug);
1172                         g_free (debug);
1173                         eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
1174                         if ( err->domain == GST_STREAM_ERROR )
1175                         {
1176                                 if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
1177                                 {
1178                                         if ( g_strrstr(sourceName, "videosink") )
1179                                                 m_event((iPlayableService*)this, evUser+11);
1180                                         else if ( g_strrstr(sourceName, "audiosink") )
1181                                                 m_event((iPlayableService*)this, evUser+10);
1182                                 }
1183                         }
1184                         g_error_free(err);
1185                         break;
1186                 }
1187                 case GST_MESSAGE_INFO:
1188                 {
1189                         gchar *debug;
1190                         GError *inf;
1191
1192                         gst_message_parse_info (msg, &inf, &debug);
1193                         g_free (debug);
1194                         if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
1195                         {
1196                                 if ( g_strrstr(sourceName, "videosink") )
1197                                         m_event((iPlayableService*)this, evUser+14);
1198                         }
1199                         g_error_free(inf);
1200                         break;
1201                 }
1202                 case GST_MESSAGE_TAG:
1203                 {
1204                         GstTagList *tags, *result;
1205                         gst_message_parse_tag(msg, &tags);
1206
1207                         result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
1208                         if (result)
1209                         {
1210                                 if (m_stream_tags)
1211                                         gst_tag_list_free(m_stream_tags);
1212                                 m_stream_tags = result;
1213                         }
1214
1215                         const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
1216                         if ( gv_image )
1217                         {
1218                                 GstBuffer *buf_image;
1219                                 buf_image = gst_value_get_buffer (gv_image);
1220                                 int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
1221                                 int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
1222                                 close(fd);
1223                                 eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
1224                                 m_event((iPlayableService*)this, evUser+13);
1225                         }
1226                         gst_tag_list_free(tags);
1227                         m_event((iPlayableService*)this, evUpdatedInfo);
1228                         break;
1229                 }
1230                 case GST_MESSAGE_ASYNC_DONE:
1231                 {
1232                         if(GST_MESSAGE_SRC(msg) != GST_OBJECT(m_gst_playbin))
1233                                 break;
1234
1235                         GstTagList *tags;
1236                         gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
1237
1238                         g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
1239                         g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
1240                         g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
1241
1242                         eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
1243
1244                         if ( n_video + n_audio <= 0 )
1245                                 stop();
1246
1247                         active_idx = 0;
1248
1249                         m_audioStreams.clear();
1250                         m_subtitleStreams.clear();
1251
1252                         for (i = 0; i < n_audio; i++)
1253                         {
1254                                 audioStream audio;
1255                                 gchar *g_codec, *g_lang;
1256                                 GstPad* pad = 0;
1257                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
1258                                 GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1259                                 if (!caps)
1260                                         continue;
1261                                 GstStructure* str = gst_caps_get_structure(caps, 0);
1262                                 const gchar *g_type = gst_structure_get_name(str);
1263                                 eDebug("AUDIO STRUCT=%s", g_type);
1264                                 audio.type = gstCheckAudioPad(str);
1265                                 g_codec = g_strdup(g_type);
1266                                 g_lang = g_strdup_printf ("und");
1267                                 g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
1268                                 if ( tags && gst_is_tag_list(tags) )
1269                                 {
1270                                         gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
1271                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1272                                         gst_tag_list_free(tags);
1273                                 }
1274                                 audio.language_code = std::string(g_lang);
1275                                 audio.codec = std::string(g_codec);
1276                                 eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
1277                                 m_audioStreams.push_back(audio);
1278                                 g_free (g_lang);
1279                                 g_free (g_codec);
1280                                 gst_caps_unref(caps);
1281                         }
1282
1283                         for (i = 0; i < n_text; i++)
1284                         {
1285                                 gchar *g_lang;
1286 //                              gchar *g_type;
1287 //                              GstPad* pad = 0;
1288 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
1289 //                              GstCaps* caps = gst_pad_get_negotiated_caps(pad);
1290 //                              GstStructure* str = gst_caps_get_structure(caps, 0);
1291 //                              g_type = gst_structure_get_name(str);
1292 //                              g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
1293                                 subtitleStream subs;
1294                                 subs.type = stPlainText;
1295                                 g_lang = g_strdup_printf ("und");
1296                                 if ( tags && gst_is_tag_list(tags) )
1297                                         gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
1298                                 subs.language_code = std::string(g_lang);
1299                                 eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
1300                                 m_subtitleStreams.push_back(subs);
1301                                 g_free (g_lang);
1302 //                              g_free (g_type);
1303                         }
1304                         m_event((iPlayableService*)this, evUpdatedEventInfo);
1305                 }
1306                 case GST_MESSAGE_ELEMENT:
1307                 {
1308                         if ( gst_is_missing_plugin_message(msg) )
1309                         {
1310                                 gchar *description = gst_missing_plugin_message_get_description(msg);
1311                                 if ( description )
1312                                 {
1313                                         m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
1314                                         g_free(description);
1315                                         m_event((iPlayableService*)this, evUser+12);
1316                                 }
1317                         }
1318                         else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
1319                         {
1320                                 const gchar *eventname = gst_structure_get_name(msgstruct);
1321                                 if ( eventname )
1322                                 {
1323                                         if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
1324                                         {
1325                                                 gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
1326                                                 gst_structure_get_int (msgstruct, "width", &m_width);
1327                                                 gst_structure_get_int (msgstruct, "height", &m_height);
1328                                                 if (strstr(eventname, "Changed"))
1329                                                         m_event((iPlayableService*)this, evVideoSizeChanged);
1330                                         }
1331                                         else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
1332                                         {
1333                                                 gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
1334                                                 if (strstr(eventname, "Changed"))
1335                                                         m_event((iPlayableService*)this, evVideoFramerateChanged);
1336                                         }
1337                                         else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
1338                                         {
1339                                                 gst_structure_get_int (msgstruct, "progressive", &m_progressive);
1340                                                 if (strstr(eventname, "Changed"))
1341                                                         m_event((iPlayableService*)this, evVideoProgressiveChanged);
1342                                         }
1343                                 }
1344                         }
1345                         break;
1346                 }
1347                 case GST_MESSAGE_BUFFERING:
1348                 {
1349                         GstBufferingMode mode;
1350                         gst_message_parse_buffering(msg, &(m_bufferInfo.bufferPercent));
1351                         gst_message_parse_buffering_stats(msg, &mode, &(m_bufferInfo.avgInRate), &(m_bufferInfo.avgOutRate), &(m_bufferInfo.bufferingLeft));
1352                         m_event((iPlayableService*)this, evBuffering);
1353                 }
1354                 default:
1355                         break;
1356         }
1357         g_free (sourceName);
1358 }
1359
1360 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
1361 {
1362         eServiceMP3 *_this = (eServiceMP3*)user_data;
1363         _this->m_pump.send(1);
1364                 /* wake */
1365         return GST_BUS_PASS;
1366 }
1367
1368 audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
1369 {
1370         if (!structure)
1371                 return atUnknown;
1372
1373         if ( gst_structure_has_name (structure, "audio/mpeg"))
1374         {
1375                 gint mpegversion, layer = -1;
1376                 if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
1377                         return atUnknown;
1378
1379                 switch (mpegversion) {
1380                         case 1:
1381                                 {
1382                                         gst_structure_get_int (structure, "layer", &layer);
1383                                         if ( layer == 3 )
1384                                                 return atMP3;
1385                                         else
1386                                                 return atMPEG;
1387                                         break;
1388                                 }
1389                         case 2:
1390                                 return atAAC;
1391                         case 4:
1392                                 return atAAC;
1393                         default:
1394                                 return atUnknown;
1395                 }
1396         }
1397
1398         else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
1399                 return atAC3;
1400         else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
1401                 return atDTS;
1402         else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
1403                 return atPCM;
1404
1405         return atUnknown;
1406 }
1407
1408 void eServiceMP3::gstPoll(const int &msg)
1409 {
1410                 /* ok, we have a serious problem here. gstBusSyncHandler sends
1411                    us the wakup signal, but likely before it was posted.
1412                    the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1413
1414                    I need to understand the API a bit more to make this work
1415                    proplerly. */
1416         if (msg == 1)
1417         {
1418                 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
1419                 GstMessage *message;
1420                 usleep(1);
1421                 while ((message = gst_bus_pop (bus)))
1422                 {
1423                         gstBusCall(bus, message);
1424                         gst_message_unref (message);
1425                 }
1426         }
1427         else
1428                 pullSubtitle();
1429 }
1430
1431 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1432
1433 void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
1434 {
1435         eServiceMP3 *_this = (eServiceMP3*)user_data;
1436         eSingleLocker l(_this->m_subs_to_pull_lock);
1437         ++_this->m_subs_to_pull;
1438         _this->m_pump.send(2);
1439 }
1440
1441 void eServiceMP3::pullSubtitle()
1442 {
1443         GstElement *sink;
1444         g_object_get (G_OBJECT (m_gst_playbin), "text-sink", &sink, NULL);
1445         if (sink)
1446         {
1447                 while (m_subs_to_pull && m_subtitle_pages.size() < 2)
1448                 {
1449                         GstBuffer *buffer;
1450                         {
1451                                 eSingleLocker l(m_subs_to_pull_lock);
1452                                 --m_subs_to_pull;
1453                                 g_signal_emit_by_name (sink, "pull-buffer", &buffer);
1454                         }
1455                         if (buffer)
1456                         {
1457                                 gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
1458                                 gint64 duration_ns = GST_BUFFER_DURATION(buffer);
1459                                 size_t len = GST_BUFFER_SIZE(buffer);
1460                                 unsigned char line[len+1];
1461                                 memcpy(line, GST_BUFFER_DATA(buffer), len);
1462                                 line[len] = 0;
1463                                 eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
1464                                 ePangoSubtitlePage page;
1465                                 gRGB rgbcol(0xD0,0xD0,0xD0);
1466                                 page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
1467                                 page.show_pts = buf_pos / 11111L;
1468                                 page.m_timeout = duration_ns / 1000000;
1469                                 m_subtitle_pages.push_back(page);
1470                                 pushSubtitles();
1471                                 gst_buffer_unref(buffer);
1472                         }
1473                 }
1474                 gst_object_unref(sink);
1475         }
1476         else
1477                 eDebug("no subtitle sink!");
1478 }
1479
1480 void eServiceMP3::pushSubtitles()
1481 {
1482         ePangoSubtitlePage page;
1483         pts_t running_pts;
1484         while ( !m_subtitle_pages.empty() )
1485         {
1486                 getPlayPosition(running_pts);
1487                 page = m_subtitle_pages.front();
1488                 gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
1489                 eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
1490                 if (diff_ms < -100)
1491                 {
1492                         GstFormat fmt = GST_FORMAT_TIME;
1493                         gint64 now;
1494                         if (gst_element_query_position(m_gst_playbin, &fmt, &now) != -1)
1495                         {
1496                                 now /= 11111;
1497                                 diff_ms = abs((now - running_pts) / 90);
1498                                 eDebug("diff < -100ms check decoder/pipeline diff: decoder: %lld, pipeline: %lld, diff: %lld", running_pts, now, diff_ms);
1499                                 if (diff_ms > 100000)
1500                                 {
1501                                         eDebug("high decoder/pipeline difference.. assume decoder has now started yet.. check again in 1sec");
1502                                         m_subtitle_sync_timer->start(1000, true);
1503                                         break;
1504                                 }
1505                         }
1506                         else
1507                                 eDebug("query position for decoder/pipeline check failed!");
1508                         eDebug("subtitle to late... drop");
1509                         m_subtitle_pages.pop_front();
1510                 }
1511                 else if ( diff_ms > 20 )
1512                 {
1513 //                      eDebug("start recheck timer");
1514                         m_subtitle_sync_timer->start(diff_ms > 1000 ? 1000 : diff_ms, true);
1515                         break;
1516                 }
1517                 else // immediate show
1518                 {
1519                         if (m_subtitle_widget)
1520                                 m_subtitle_widget->setPage(page);
1521                         m_subtitle_pages.pop_front();
1522                 }
1523         }
1524         if (m_subtitle_pages.empty())
1525                 pullSubtitle();
1526 }
1527
1528 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1529 {
1530         ePyObject entry;
1531         int tuplesize = PyTuple_Size(tuple);
1532         int pid, type;
1533         gint text_pid = 0;
1534
1535         if (!PyTuple_Check(tuple))
1536                 goto error_out;
1537         if (tuplesize < 1)
1538                 goto error_out;
1539         entry = PyTuple_GET_ITEM(tuple, 1);
1540         if (!PyInt_Check(entry))
1541                 goto error_out;
1542         pid = PyInt_AsLong(entry);
1543         entry = PyTuple_GET_ITEM(tuple, 2);
1544         if (!PyInt_Check(entry))
1545                 goto error_out;
1546         type = PyInt_AsLong(entry);
1547
1548         if (m_currentSubtitleStream != pid)
1549         {
1550                 eSingleLocker l(m_subs_to_pull_lock);
1551                 g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
1552                 m_currentSubtitleStream = pid;
1553                 m_subs_to_pull = 0;
1554                 m_subtitle_pages.clear();
1555         }
1556
1557         m_subtitle_widget = 0;
1558         m_subtitle_widget = new eSubtitleWidget(parent);
1559         m_subtitle_widget->resize(parent->size()); /* full size */
1560
1561         g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
1562
1563         eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
1564
1565         return 0;
1566
1567 error_out:
1568         eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
1569                 "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
1570         return -1;
1571 }
1572
1573 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1574 {
1575         eDebug("eServiceMP3::disableSubtitles");
1576         m_subtitle_pages.clear();
1577         delete m_subtitle_widget;
1578         m_subtitle_widget = 0;
1579         return 0;
1580 }
1581
1582 PyObject *eServiceMP3::getCachedSubtitle()
1583 {
1584 //      eDebug("eServiceMP3::getCachedSubtitle");
1585         Py_RETURN_NONE;
1586 }
1587
1588 PyObject *eServiceMP3::getSubtitleList()
1589 {
1590         eDebug("eServiceMP3::getSubtitleList");
1591
1592         ePyObject l = PyList_New(0);
1593         int stream_count[sizeof(subtype_t)];
1594         for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
1595                 stream_count[i] = 0;
1596
1597         for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1598         {
1599                 subtype_t type = IterSubtitleStream->type;
1600                 ePyObject tuple = PyTuple_New(5);
1601                 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1602                 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
1603                 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
1604                 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1605                 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1606                 PyList_Append(l, tuple);
1607                 Py_DECREF(tuple);
1608                 stream_count[type]++;
1609         }
1610         return l;
1611 }
1612
1613 RESULT eServiceMP3::streamed(ePtr<iStreamedService> &ptr)
1614 {
1615         ptr = this;
1616         return 0;
1617 }
1618
1619 PyObject *eServiceMP3::getBufferCharge()
1620 {
1621         ePyObject tuple = PyTuple_New(5);
1622         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(m_bufferInfo.bufferPercent));
1623         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(m_bufferInfo.avgInRate));
1624         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(m_bufferInfo.avgOutRate));
1625         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(m_bufferInfo.bufferingLeft));
1626         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(m_buffer_size));
1627         return tuple;
1628 }
1629
1630 int eServiceMP3::setBufferSize(int size)
1631 {
1632         m_buffer_size = size;
1633         g_object_set (G_OBJECT (m_gst_playbin), "buffer-size", m_buffer_size, NULL);
1634         return 0;
1635 }
1636
1637 int eServiceMP3::getAC3Delay()
1638 {
1639         return ac3_delay;
1640 }
1641
1642 int eServiceMP3::getPCMDelay()
1643 {
1644         return pcm_delay;
1645 }
1646
1647 void eServiceMP3::setAC3Delay(int delay)
1648 {
1649         ac3_delay = delay;
1650         if (!m_gst_playbin || m_state != stRunning)
1651                 return;
1652         else
1653         {
1654                 GstElement *sink;
1655                 int config_delay_int = delay;
1656                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
1657
1658                 if (sink)
1659                 {
1660                         std::string config_delay;
1661                         if(ePythonConfigQuery::getConfigValue("config.av.generalAC3delay", config_delay) == 0)
1662                                 config_delay_int += atoi(config_delay.c_str());
1663                         gst_object_unref(sink);
1664                 }
1665                 else
1666                 {
1667                         eDebug("dont apply ac3 delay when no video is running!");
1668                         config_delay_int = 0;
1669                 }
1670
1671                 g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
1672
1673                 if (sink)
1674                 {
1675                         gchar *name = gst_element_get_name(sink);
1676                         if (strstr(name, "dvbaudiosink"))
1677                                 eTSMPEGDecoder::setHwAC3Delay(config_delay_int);
1678                         g_free(name);
1679                         gst_object_unref(sink);
1680                 }
1681         }
1682 }
1683
1684 void eServiceMP3::setPCMDelay(int delay)
1685 {
1686         pcm_delay = delay;
1687         if (!m_gst_playbin || m_state != stRunning)
1688                 return;
1689         else
1690         {
1691                 GstElement *sink;
1692                 int config_delay_int = delay;
1693                 g_object_get (G_OBJECT (m_gst_playbin), "video-sink", &sink, NULL);
1694
1695                 if (sink)
1696                 {
1697                         std::string config_delay;
1698                         if(ePythonConfigQuery::getConfigValue("config.av.generalPCMdelay", config_delay) == 0)
1699                                 config_delay_int += atoi(config_delay.c_str());
1700                         gst_object_unref(sink);
1701                 }
1702                 else
1703                 {
1704                         eDebug("dont apply pcm delay when no video is running!");
1705                         config_delay_int = 0;
1706                 }
1707
1708                 g_object_get (G_OBJECT (m_gst_playbin), "audio-sink", &sink, NULL);
1709
1710                 if (sink)
1711                 {
1712                         gchar *name = gst_element_get_name(sink);
1713                         if (strstr(name, "dvbaudiosink"))
1714                                 eTSMPEGDecoder::setHwPCMDelay(config_delay_int);
1715                         else
1716                         {
1717                                 // this is realy untested..and not used yet
1718                                 gint64 offset = config_delay_int;
1719                                 offset *= 1000000; // milli to nano
1720                                 g_object_set (G_OBJECT (m_gst_playbin), "ts-offset", offset, NULL);
1721                         }
1722                         g_free(name);
1723                         gst_object_unref(sink);
1724                 }
1725         }
1726 }
1727
1728 #else
1729 #warning gstreamer not available, not building media player
1730 #endif