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>
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>
17 #include <lib/gui/esubtitle.h>
21 eServiceFactoryMP3::eServiceFactoryMP3()
23 ePtr<eServiceCenter> sc;
25 eServiceCenter::getPrivInstance(sc);
28 std::list<std::string> extensions;
29 extensions.push_back("mp3");
30 extensions.push_back("ogg");
31 extensions.push_back("mpg");
32 extensions.push_back("vob");
33 extensions.push_back("wav");
34 extensions.push_back("wave");
35 extensions.push_back("mkv");
36 extensions.push_back("avi");
37 sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
40 m_service_info = new eStaticServiceMP3Info();
43 eServiceFactoryMP3::~eServiceFactoryMP3()
45 ePtr<eServiceCenter> sc;
47 eServiceCenter::getPrivInstance(sc);
49 sc->removeServiceFactory(eServiceFactoryMP3::id);
52 DEFINE_REF(eServiceFactoryMP3)
55 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
58 ptr = new eServiceMP3(ref.path.c_str());
62 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
68 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
74 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
80 class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
82 DECLARE_REF(eMP3ServiceOfflineOperations);
83 eServiceReference m_ref;
85 eMP3ServiceOfflineOperations(const eServiceReference &ref);
87 RESULT deleteFromDisk(int simulate);
88 RESULT getListOfFilenames(std::list<std::string> &);
91 DEFINE_REF(eMP3ServiceOfflineOperations);
93 eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
97 RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
103 std::list<std::string> res;
104 if (getListOfFilenames(res))
107 eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
109 eDebug("FATAL !! can't get background file eraser");
111 for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
113 eDebug("Removing %s...", i->c_str());
115 eraser->erase(i->c_str());
117 ::unlink(i->c_str());
124 RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
127 res.push_back(m_ref.path);
132 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
134 ptr = new eMP3ServiceOfflineOperations(ref);
138 // eStaticServiceMP3Info
141 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
142 // about unopened files.
144 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
145 // should have a database backend where ID3-files etc. are cached.
146 // this would allow listing the mp3 database based on certain filters.
148 DEFINE_REF(eStaticServiceMP3Info)
150 eStaticServiceMP3Info::eStaticServiceMP3Info()
154 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
156 size_t last = ref.path.rfind('/');
157 if (last != std::string::npos)
158 name = ref.path.substr(last+1);
164 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
171 eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eApp, 1)
174 m_audioStreams.clear();
175 m_subtitleStreams.clear();
176 m_currentAudioStream = 0;
177 m_currentSubtitleStream = 0;
178 m_subtitle_widget = 0;
179 m_currentTrickRatio = 0;
180 CONNECT(m_seekTimeout.timeout, eServiceMP3::seekTimeoutCB);
181 CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
182 GstElement *source = 0;
184 GstElement *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */
186 GstElement *audio = 0, *switch_audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *videodemux = 0;
189 eDebug("SERVICEMP3 construct!");
191 /* FIXME: currently, decodebin isn't possible for
192 video streams. in that case, make a manual pipeline. */
194 const char *ext = strrchr(filename, '.');
198 int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat"));
199 int is_mpeg_ts = !strcasecmp(ext, ".ts");
200 int is_matroska = !strcasecmp(ext, ".mkv");
201 int is_avi = !strcasecmp(ext, ".avi");
202 int is_mp3 = !strcasecmp(ext, ".mp3"); /* force mp3 instead of decodebin */
203 int is_video = is_mpeg_ps || is_mpeg_ts || is_matroska || is_avi;
204 int is_streaming = !strncmp(filename, "http://", 7);
205 int is_AudioCD = !(strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav"));
207 eDebug("filename: %s, is_mpeg_ps: %d, is_mpeg_ts: %d, is_video: %d, is_streaming: %d, is_mp3: %d, is_matroska: %d, is_avi: %d, is_AudioCD: %d", filename, is_mpeg_ps, is_mpeg_ts, is_video, is_streaming, is_mp3, is_matroska, is_avi, is_AudioCD);
209 int is_audio = !is_video;
213 m_gst_pipeline = gst_pipeline_new ("mediaplayer");
215 eWarning("failed to create pipeline");
219 source = gst_element_factory_make ("cdiocddasrc", "cda-source");
221 g_object_set (G_OBJECT (source), "device", "/dev/cdroms/cdrom0", NULL);
225 if ( !is_streaming && !is_AudioCD )
226 source = gst_element_factory_make ("filesrc", "file-source");
227 else if ( is_streaming )
229 source = gst_element_factory_make ("neonhttpsrc", "http-source");
231 g_object_set (G_OBJECT (source), "automatic-redirect", TRUE, NULL);
235 eWarning("failed to create %s", is_streaming ? "neonhttpsrc" : "filesrc");
236 /* configure source */
237 else if (!is_AudioCD)
238 g_object_set (G_OBJECT (source), "location", filename, NULL);
241 int track = atoi(filename+18);
242 eDebug("play audio CD track #%i",track);
244 g_object_set (G_OBJECT (source), "track", track, NULL);
249 /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */
250 const char *decodertype = "decodebin";
252 decoder = gst_element_factory_make (decodertype, "decoder");
254 eWarning("failed to create %s decoder", decodertype);
256 conv = gst_element_factory_make ("audioconvert", "converter");
258 eWarning("failed to create audioconvert");
260 flt = gst_element_factory_make ("capsfilter", "flt");
262 eWarning("failed to create capsfilter");
264 /* for some reasons, we need to set the sample format to depth/width=16, because auto negotiation doesn't work. */
265 /* endianness, however, is not required to be set anymore. */
268 GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", /* "endianness", G_TYPE_INT, 4321, */ "depth", G_TYPE_INT, 16, "width", G_TYPE_INT, 16, /*"channels", G_TYPE_INT, 2, */(char*)0);
269 g_object_set (G_OBJECT (flt), "caps", caps, (char*)0);
270 gst_caps_unref(caps);
273 sink = gst_element_factory_make ("alsasink", "alsa-output");
275 eWarning("failed to create osssink");
277 if (source && decoder && conv && sink)
279 } else /* is_video */
281 /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink
282 | queue_video -> dvbvideosink */
284 audio = gst_element_factory_make("dvbaudiosink", "audiosink");
285 queue_audio = gst_element_factory_make("queue", "queue_audio");
287 video = gst_element_factory_make("dvbvideosink", "videosink");
288 queue_video = gst_element_factory_make("queue", "queue_video");
291 videodemux = gst_element_factory_make("flupsdemux", "videodemux");
293 videodemux = gst_element_factory_make("flutsdemux", "videodemux");
294 else if (is_matroska)
295 videodemux = gst_element_factory_make("matroskademux", "videodemux");
297 videodemux = gst_element_factory_make("avidemux", "videodemux");
301 eDebug("fluendo mpegdemux not available, falling back to mpegdemux\n");
302 videodemux = gst_element_factory_make("mpegdemux", "videodemux");
305 eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, videodemux %p", audio, queue_audio, video, queue_video, videodemux);
306 if (audio && queue_audio && video && queue_video && videodemux)
308 g_object_set (G_OBJECT (queue_audio), "max-size-bytes", 256*1024, NULL);
309 g_object_set (G_OBJECT (queue_audio), "max-size-buffers", 0, NULL);
310 g_object_set (G_OBJECT (queue_audio), "max-size-time", (guint64)0, NULL);
311 g_object_set (G_OBJECT (queue_video), "max-size-buffers", 0, NULL);
312 g_object_set (G_OBJECT (queue_video), "max-size-bytes", 2*1024*1024, NULL);
313 g_object_set (G_OBJECT (queue_video), "max-size-time", (guint64)0, NULL);
318 if (m_gst_pipeline && all_ok)
320 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this);
324 queue_audio = gst_element_factory_make("queue", "queue_audio");
325 g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL);
326 gst_bin_add_many (GST_BIN (m_gst_pipeline), source, queue_audio, conv, sink, NULL);
327 gst_element_link_many(source, queue_audio, conv, sink, NULL);
331 queue_audio = gst_element_factory_make("queue", "queue_audio");
333 g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this);
334 g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this);
337 g_object_set (G_OBJECT (sink), "preroll-queue-len", 80, NULL);
339 /* gst_bin will take the 'floating references' */
340 gst_bin_add_many (GST_BIN (m_gst_pipeline),
341 source, queue_audio, decoder, NULL);
343 /* in decodebin's case we can just connect the source with the decodebin, and decodebin will take care about id3demux (or whatever is required) */
344 gst_element_link_many(source, queue_audio, decoder, NULL);
346 /* create audio bin with the audioconverter, the capsfilter and the audiosink */
347 audio = gst_bin_new ("audiobin");
349 GstPad *audiopad = gst_element_get_static_pad (conv, "sink");
350 gst_bin_add_many(GST_BIN(audio), conv, flt, sink, (char*)0);
351 gst_element_link_many(conv, flt, sink, (char*)0);
352 gst_element_add_pad(audio, gst_ghost_pad_new ("sink", audiopad));
353 gst_object_unref(audiopad);
354 gst_bin_add (GST_BIN(m_gst_pipeline), audio);
355 /* in mad's case, we can directly connect the decoder to the audiobin. otherwise, we do this in gstCBnewPad */
357 gst_element_link(decoder, audio);
359 } else /* is_video */
361 char srt_filename[strlen(filename)+1];
362 strncpy(srt_filename,filename,strlen(filename)-3);
363 srt_filename[strlen(filename)-3]='\0';
364 strcat(srt_filename, "srt");
366 if (stat(srt_filename, &buffer) == 0)
368 eDebug("subtitle file found: %s",srt_filename);
369 GstElement *subsource;
370 subsource = gst_element_factory_make ("filesrc", "srt_source");
371 g_object_set (G_OBJECT (subsource), "location", filename, NULL);
372 GstElement *parser = gst_element_factory_make("subparse", "srt_parse");
373 eDebug ("subparse = %p", parser);
374 GstElement *sink = gst_element_factory_make("fakesink", "srt_sink");
375 eDebug ("fakesink = %p", sink);
376 g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
377 gst_bin_add_many(GST_BIN (m_gst_pipeline), subsource, parser, sink, NULL);
378 gboolean res = gst_element_link(subsource, parser);
379 eDebug ("parser link = %d", res);
380 res = gst_element_link(parser, sink);
381 eDebug ("sink link = %d", res);
382 g_signal_connect(sink, "handoff", G_CALLBACK(gstCBsubtitleAvail), this);
384 // subs.element = sink;
385 m_subtitleStreams.push_back(subs);
388 eDebug("subtitle file not found: %s",srt_filename);
390 gst_bin_add_many(GST_BIN(m_gst_pipeline), source, videodemux, audio, queue_audio, video, queue_video, NULL);
391 switch_audio = gst_element_factory_make ("input-selector", "switch_audio");
394 g_object_set (G_OBJECT (switch_audio), "select-all", TRUE, NULL);
395 gst_bin_add(GST_BIN(m_gst_pipeline), switch_audio);
396 gst_element_link(switch_audio, queue_audio);
398 gst_element_link(source, videodemux);
399 gst_element_link(queue_audio, audio);
400 gst_element_link(queue_video, video);
401 g_signal_connect(videodemux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
406 gst_object_unref(GST_OBJECT(m_gst_pipeline));
408 gst_object_unref(GST_OBJECT(source));
410 gst_object_unref(GST_OBJECT(decoder));
412 gst_object_unref(GST_OBJECT(conv));
414 gst_object_unref(GST_OBJECT(sink));
417 gst_object_unref(GST_OBJECT(audio));
419 gst_object_unref(GST_OBJECT(queue_audio));
421 gst_object_unref(GST_OBJECT(video));
423 gst_object_unref(GST_OBJECT(queue_video));
425 gst_object_unref(GST_OBJECT(videodemux));
427 gst_object_unref(GST_OBJECT(switch_audio));
429 eDebug("sorry, can't play.");
433 gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
436 eServiceMP3::~eServiceMP3()
438 delete m_subtitle_widget;
439 if (m_state == stRunning)
443 gst_tag_list_free(m_stream_tags);
447 gst_object_unref (GST_OBJECT (m_gst_pipeline));
448 eDebug("SERVICEMP3 destruct!");
452 DEFINE_REF(eServiceMP3);
454 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
456 connection = new eConnection((iPlayableService*)this, m_event.connect(event));
460 RESULT eServiceMP3::start()
462 assert(m_state == stIdle);
467 eDebug("starting pipeline");
468 gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
470 m_event(this, evStart);
474 RESULT eServiceMP3::stop()
476 assert(m_state != stIdle);
477 if (m_state == stStopped)
479 eDebug("MP3: %s stop\n", m_filename.c_str());
480 gst_element_set_state(m_gst_pipeline, GST_STATE_NULL);
485 RESULT eServiceMP3::setTarget(int target)
490 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
496 RESULT eServiceMP3::setSlowMotion(int ratio)
498 /* we can't do slomo yet */
502 RESULT eServiceMP3::setFastForward(int ratio)
504 m_currentTrickRatio = ratio;
506 m_seekTimeout.start(1000, 0);
508 m_seekTimeout.stop();
512 void eServiceMP3::seekTimeoutCB()
515 getPlayPosition(ppos);
517 ppos += 90000*m_currentTrickRatio;
522 m_seekTimeout.stop();
528 m_seekTimeout.stop();
535 RESULT eServiceMP3::pause()
539 GstStateChangeReturn res = gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
540 if (res == GST_STATE_CHANGE_ASYNC)
543 getPlayPosition(ppos);
549 RESULT eServiceMP3::unpause()
554 GstStateChangeReturn res;
555 res = gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
559 /* iSeekableService */
560 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
566 RESULT eServiceMP3::getLength(pts_t &pts)
570 if (m_state != stRunning)
573 GstFormat fmt = GST_FORMAT_TIME;
576 if (!gst_element_query_duration(m_gst_pipeline, &fmt, &len))
579 /* len is in nanoseconds. we have 90 000 pts per second. */
585 RESULT eServiceMP3::seekTo(pts_t to)
590 /* convert pts to nanoseconds */
591 gint64 time_nanoseconds = to * 11111LL;
592 if (!gst_element_seek (m_gst_pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
593 GST_SEEK_TYPE_SET, time_nanoseconds,
594 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
596 eDebug("SEEK failed");
602 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
608 getPlayPosition(ppos);
609 ppos += to * direction;
617 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
621 if (m_state != stRunning)
624 GstFormat fmt = GST_FORMAT_TIME;
627 if (!gst_element_query_position(m_gst_pipeline, &fmt, &len))
630 /* len is in nanoseconds. we have 90 000 pts per second. */
635 RESULT eServiceMP3::setTrickmode(int trick)
637 /* trickmode is not yet supported by our dvbmediasinks. */
641 RESULT eServiceMP3::isCurrentlySeekable()
646 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
652 RESULT eServiceMP3::getName(std::string &name)
655 size_t n = name.rfind('/');
656 if (n != std::string::npos)
657 name = name.substr(n + 1);
661 int eServiceMP3::getInfo(int w)
676 tag = GST_TAG_TRACK_NUMBER;
679 tag = GST_TAG_TRACK_COUNT;
685 if (!m_stream_tags || !tag)
689 if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
696 std::string eServiceMP3::getInfoString(int w)
705 tag = GST_TAG_ARTIST;
711 tag = GST_TAG_COMMENT;
714 tag = GST_TAG_TRACK_NUMBER;
720 tag = GST_TAG_VIDEO_CODEC;
726 if (!m_stream_tags || !tag)
731 if (gst_tag_list_get_string(m_stream_tags, tag, &value))
733 std::string res = value;
741 RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
747 RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
753 RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
759 int eServiceMP3::getNumberOfTracks()
761 return m_audioStreams.size();
764 int eServiceMP3::getCurrentTrack()
766 return m_currentAudioStream;
769 RESULT eServiceMP3::selectTrack(unsigned int i)
771 int ret = selectAudioStream(i);
774 getPlayPosition(ppos);
780 int eServiceMP3::selectAudioStream(int i)
784 GstElement *switch_audio = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_audio");
787 eDebug("can't switch audio tracks! gst-plugin-selector needed");
790 g_object_get (G_OBJECT (switch_audio), "n-pads", &nb_sources, NULL);
791 if ( (unsigned int)i >= m_audioStreams.size() || i >= nb_sources || (unsigned int)m_currentAudioStream >= m_audioStreams.size() )
794 sprintf(sinkpad, "sink%d", i);
795 g_object_set (G_OBJECT (switch_audio), "active-pad", gst_element_get_pad (switch_audio, sinkpad), NULL);
796 g_object_get (G_OBJECT (switch_audio), "active-pad", &active_pad, NULL);
798 name = gst_pad_get_name (active_pad);
799 eDebug ("switched audio to (%s)", name);
801 m_currentAudioStream = i;
805 int eServiceMP3::getCurrentChannel()
810 RESULT eServiceMP3::selectChannel(int i)
812 eDebug("eServiceMP3::selectChannel(%i)",i);
816 RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
818 // eDebug("eServiceMP3::getTrackInfo(&info, %i)",i);
819 if (i >= m_audioStreams.size())
821 if (m_audioStreams[i].type == audioStream::atMPEG)
822 info.m_description = "MPEG";
823 else if (m_audioStreams[i].type == audioStream::atMP3)
824 info.m_description = "MP3";
825 else if (m_audioStreams[i].type == audioStream::atAC3)
826 info.m_description = "AC3";
827 else if (m_audioStreams[i].type == audioStream::atAAC)
828 info.m_description = "AAC";
829 else if (m_audioStreams[i].type == audioStream::atDTS)
830 info.m_description = "DTS";
831 else if (m_audioStreams[i].type == audioStream::atPCM)
832 info.m_description = "PCM";
833 else if (m_audioStreams[i].type == audioStream::atOGG)
834 info.m_description = "OGG";
836 info.m_description = "???";
837 if (info.m_language.empty())
838 info.m_language = m_audioStreams[i].language_code;
842 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
849 source = GST_MESSAGE_SRC(msg);
850 sourceName = gst_object_get_name(source);
852 if (gst_message_get_structure(msg))
854 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
855 eDebug("gst_message from %s: %s", sourceName, string);
859 eDebug("gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
861 switch (GST_MESSAGE_TYPE (msg))
863 case GST_MESSAGE_EOS:
864 m_event((iPlayableService*)this, evEOF);
866 case GST_MESSAGE_ERROR:
871 gst_message_parse_error (msg, &err, &debug);
873 eWarning("Gstreamer error: %s (%i)", err->message, err->code );
874 if ( err->domain == GST_STREAM_ERROR && err->code == GST_STREAM_ERROR_DECODE )
876 if ( g_strrstr(sourceName, "videosink") )
877 m_event((iPlayableService*)this, evUser+11);
880 /* TODO: signal error condition to user */
883 case GST_MESSAGE_TAG:
885 GstTagList *tags, *result;
886 gst_message_parse_tag(msg, &tags);
888 result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_PREPEND);
892 gst_tag_list_free(m_stream_tags);
893 m_stream_tags = result;
897 if ( gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_audiocodec) && m_audioStreams.size() == 0 )
899 GstPad* pad = gst_element_get_pad (GST_ELEMENT(source), "src");
900 GstCaps* caps = gst_pad_get_caps(pad);
901 GstStructure* str = gst_caps_get_structure(caps, 0);
905 audio.type = gstCheckAudioPad(str);
906 m_audioStreams.push_back(audio);
910 case GST_MESSAGE_ASYNC_DONE:
913 for (std::vector<audioStream>::iterator IterAudioStream(m_audioStreams.begin()); IterAudioStream != m_audioStreams.end(); ++IterAudioStream)
915 if ( IterAudioStream->pad )
917 g_object_get(IterAudioStream->pad, "tags", &tags, NULL);
919 if ( gst_is_tag_list(tags) && gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
921 eDebug("found audio language %s",g_language);
922 IterAudioStream->language_code = std::string(g_language);
927 for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
929 if ( IterAudioStream->pad )
931 g_object_get(IterSubtitleStream->pad, "tags", &tags, NULL);
933 if ( gst_is_tag_list(tags) && gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_language) )
935 eDebug("found subtitle language %s",g_language);
936 IterSubtitleStream->language_code = std::string(g_language);
948 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
950 eServiceMP3 *_this = (eServiceMP3*)user_data;
951 _this->m_pump.send(1);
956 int eServiceMP3::gstCheckAudioPad(GstStructure* structure)
959 type = gst_structure_get_name(structure);
961 if (!strcmp(type, "audio/mpeg")) {
962 gint mpegversion, layer = 0;
963 gst_structure_get_int (structure, "mpegversion", &mpegversion);
964 gst_structure_get_int (structure, "layer", &layer);
965 eDebug("mime audio/mpeg version %d layer %d", mpegversion, layer);
966 switch (mpegversion) {
970 return audioStream::atMP3;
972 return audioStream::atMPEG;
975 return audioStream::atMPEG;
977 return audioStream::atAAC;
979 return audioStream::atUnknown;
984 eDebug("mime %s", type);
985 if (!strcmp(type, "audio/x-ac3") || !strcmp(type, "audio/ac3"))
986 return audioStream::atAC3;
987 else if (!strcmp(type, "audio/x-dts") || !strcmp(type, "audio/dts"))
988 return audioStream::atDTS;
989 else if (!strcmp(type, "audio/x-raw-int"))
990 return audioStream::atPCM;
992 return audioStream::atUnknown;
995 void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data)
1000 caps = gst_pad_get_caps(pad);
1001 str = gst_caps_get_structure(caps, 0);
1002 type = gst_structure_get_name(str);
1004 eDebug("A new pad %s:%s was created", GST_OBJECT_NAME (decodebin), GST_OBJECT_NAME (pad));
1006 eServiceMP3 *_this = (eServiceMP3*)user_data;
1007 GstBin *pipeline = GST_BIN(_this->m_gst_pipeline);
1008 if (g_strrstr(type,"audio"))
1011 audio.type = _this->gstCheckAudioPad(str);
1012 GstElement *switch_audio = gst_bin_get_by_name(pipeline , "switch_audio");
1015 GstPad *sinkpad = gst_element_get_request_pad (switch_audio, "sink%d");
1016 gst_pad_link(pad, sinkpad);
1017 audio.pad = sinkpad;
1018 _this->m_audioStreams.push_back(audio);
1020 if ( _this->m_audioStreams.size() == 1 )
1022 _this->selectAudioStream(0);
1023 gst_element_set_state (_this->m_gst_pipeline, GST_STATE_PLAYING);
1026 g_object_set (G_OBJECT (switch_audio), "select-all", FALSE, NULL);
1030 gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_audio"), "sink"));
1031 _this->m_audioStreams.push_back(audio);
1034 if (g_strrstr(type,"video"))
1036 gst_pad_link(pad, gst_element_get_static_pad(gst_bin_get_by_name(pipeline,"queue_video"), "sink"));
1038 if (g_strrstr(type,"application/x-ssa") || g_strrstr(type,"application/x-ass"))
1040 GstPadLinkReturn res;
1041 GstElement *switch_subtitles = gst_bin_get_by_name(pipeline,"switch_subtitles");
1042 if ( !switch_subtitles )
1044 switch_subtitles = gst_element_factory_make ("input-selector", "switch_subtitles");
1045 if ( !switch_subtitles )
1047 GstElement *parser = gst_element_factory_make("ssaparse", "parse_subtitles");
1048 GstElement *sink = gst_element_factory_make("fakesink", "sink_subtitles");
1049 gst_bin_add_many(pipeline, switch_subtitles, parser, sink, NULL);
1050 gst_element_link(switch_subtitles, parser);
1051 gst_element_link(parser, sink);
1052 g_object_set (G_OBJECT(switch_subtitles), "select-all", TRUE, NULL);
1053 g_object_set (G_OBJECT(sink), "signal-handoffs", TRUE, NULL);
1054 g_signal_connect(sink, "handoff", G_CALLBACK(gstCBsubtitleAvail), _this);
1056 GstPad *sinkpad = gst_element_get_request_pad (switch_subtitles, "sink%d");
1057 res = gst_pad_link(pad, sinkpad);
1058 subtitleStream subs;
1060 _this->m_subtitleStreams.push_back(subs);
1064 void eServiceMP3::gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data)
1066 eServiceMP3 *_this = (eServiceMP3*)user_data;
1067 GstElement *decoder = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"decoder");
1068 gst_pad_link(pad, gst_element_get_static_pad (decoder, "sink"));
1071 void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data)
1073 eServiceMP3 *_this = (eServiceMP3*)user_data;
1078 /* only link once */
1079 GstElement *audiobin = gst_bin_get_by_name(GST_BIN(_this->m_gst_pipeline),"audiobin");
1080 audiopad = gst_element_get_static_pad (audiobin, "sink");
1081 if ( !audiopad || GST_PAD_IS_LINKED (audiopad)) {
1082 eDebug("audio already linked!");
1083 g_object_unref (audiopad);
1087 /* check media type */
1088 caps = gst_pad_get_caps (pad);
1089 str = gst_caps_get_structure (caps, 0);
1090 eDebug("gst new pad! %s", gst_structure_get_name (str));
1092 if (!g_strrstr (gst_structure_get_name (str), "audio")) {
1093 gst_caps_unref (caps);
1094 gst_object_unref (audiopad);
1098 gst_caps_unref (caps);
1099 gst_pad_link (pad, audiopad);
1102 void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data)
1106 /* check media type */
1107 caps = gst_pad_get_caps (pad);
1108 str = gst_caps_get_structure (caps, 0);
1109 eDebug("unknown type: %s - this can't be decoded.", gst_structure_get_name (str));
1110 gst_caps_unref (caps);
1113 void eServiceMP3::gstPoll(const int&)
1115 /* ok, we have a serious problem here. gstBusSyncHandler sends
1116 us the wakup signal, but likely before it was posted.
1117 the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
1119 I need to understand the API a bit more to make this work
1123 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline));
1124 GstMessage *message;
1125 while ((message = gst_bus_pop (bus)))
1127 gstBusCall(bus, message);
1128 gst_message_unref (message);
1132 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
1134 #warning gstreamer not available, not building media player
1137 void eServiceMP3::gstCBsubtitleAvail(GstElement *element, GstBuffer *buffer, GstPad *pad, gpointer user_data)
1139 eDebug("gstCBsubtitleAvail");
1140 const unsigned char *text = (unsigned char *)GST_BUFFER_DATA(buffer);
1141 eServiceMP3 *_this = (eServiceMP3*)user_data;
1142 if ( _this->m_subtitle_widget )
1144 eDebug("subtitle text: %s",text);
1145 eDVBTeletextSubtitlePage page;
1146 gRGB rgbcol(0xD0,0xD0,0xD0);
1147 page.m_elements.push_back(eDVBTeletextSubtitlePageElement(rgbcol, (const char*)text));
1148 (_this->m_subtitle_widget)->setPage(page);
1152 RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
1154 eDebug("eServiceMP3::enableSubtitles");
1157 int tuplesize = PyTuple_Size(tuple);
1161 GstElement *switch_subtitles = gst_bin_get_by_name(GST_BIN(m_gst_pipeline),"switch_subtitles");
1163 if (!PyTuple_Check(tuple))
1167 entry = PyTuple_GET_ITEM(tuple, 1);
1168 if (!PyInt_Check(entry))
1170 pid = PyInt_AsLong(entry);
1172 m_subtitle_widget = new eSubtitleWidget(parent);
1173 m_subtitle_widget->resize(parent->size()); /* full size */
1175 if ( !switch_subtitles )
1177 eDebug("can't switch subtitle tracks! gst-plugin-selector needed");
1180 g_object_get (G_OBJECT (switch_subtitles), "n-pads", &nb_sources, NULL);
1181 if ( (unsigned int)pid >= m_subtitleStreams.size() || pid >= nb_sources || (unsigned int)m_currentSubtitleStream >= m_subtitleStreams.size() )
1184 sprintf(sinkpad, "sink%d", pid);
1185 g_object_set (G_OBJECT (switch_subtitles), "active-pad", gst_element_get_pad (switch_subtitles, sinkpad), NULL);
1186 g_object_get (G_OBJECT (switch_subtitles), "active-pad", &active_pad, NULL);
1187 g_object_set (G_OBJECT (switch_subtitles), "select-all", FALSE, NULL);
1189 name = gst_pad_get_name (active_pad);
1190 eDebug ("switched subtitles to (%s)", name);
1192 m_currentSubtitleStream = pid;
1196 eDebug("enableSubtitles needs a tuple as 2nd argument!\n"
1197 "for gst subtitles (2, subtitle_stream_count)");
1201 RESULT eServiceMP3::disableSubtitles(eWidget *parent)
1203 eDebug("eServiceMP3::disableSubtitles");
1204 delete m_subtitle_widget;
1205 m_subtitle_widget = 0;
1209 PyObject *eServiceMP3::getCachedSubtitle()
1211 eDebug("eServiceMP3::getCachedSubtitle");
1215 PyObject *eServiceMP3::getSubtitleList()
1217 eDebug("eServiceMP3::getSubtitleList");
1219 ePyObject l = PyList_New(0);
1220 int stream_count = 0;
1222 for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
1224 ePyObject tuple = PyTuple_New(5);
1225 PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1226 PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count));
1227 PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(0));
1228 PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
1229 PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
1230 PyList_Append(l, tuple);