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/base/init_num.h>
12 #include <lib/base/init.h>
17 eServiceFactoryMP3::eServiceFactoryMP3()
19 ePtr<eServiceCenter> sc;
21 eServiceCenter::getPrivInstance(sc);
23 sc->addServiceFactory(eServiceFactoryMP3::id, this);
25 m_service_info = new eStaticServiceMP3Info();
28 eServiceFactoryMP3::~eServiceFactoryMP3()
30 ePtr<eServiceCenter> sc;
32 eServiceCenter::getPrivInstance(sc);
34 sc->removeServiceFactory(eServiceFactoryMP3::id);
37 DEFINE_REF(eServiceFactoryMP3)
40 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
43 ptr = new eServiceMP3(ref.path.c_str());
47 RESULT eServiceFactoryMP3::record(const eServiceReference &ref, ePtr<iRecordableService> &ptr)
53 RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr<iListableService> &ptr)
59 RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServiceInformation> &ptr)
65 RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr)
72 // eStaticServiceMP3Info
75 // eStaticServiceMP3Info is seperated from eServiceMP3 to give information
76 // about unopened files.
78 // probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info
79 // should have a database backend where ID3-files etc. are cached.
80 // this would allow listing the mp3 database based on certain filters.
82 DEFINE_REF(eStaticServiceMP3Info)
84 eStaticServiceMP3Info::eStaticServiceMP3Info()
88 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
90 size_t last = ref.path.rfind('/');
91 if (last != std::string::npos)
92 name = ref.path.substr(last+1);
98 int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
105 eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eApp, 1)
108 CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
109 GstElement *source = 0;
111 GstElement *filter = 0, *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */
113 GstElement *audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *mpegdemux = 0;
116 eDebug("SERVICEMP3 construct!");
118 /* FIXME: currently, decodebin isn't possible for
119 video streams. in that case, make a manual pipeline. */
121 const char *ext = strrchr(filename, '.');
125 int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin"));
126 int is_mpeg_ts = !strcasecmp(ext, ".ts");
127 int is_mp3 = !strcasecmp(ext, ".mp3"); /* force mp3 instead of decodebin */
128 int is_video = is_mpeg_ps || is_mpeg_ts;
129 int is_streaming = !strncmp(filename, "http://", 7);
131 eDebug("filename: %s, is_mpeg_ps: %d, is_mpeg_ts: %d, is_video: %d, is_streaming: %d, is_mp3: %d", filename, is_mpeg_ps, is_mpeg_ts, is_video, is_streaming, is_mp3);
133 int is_audio = !is_video;
137 m_gst_pipeline = gst_pipeline_new ("audio-player");
139 eWarning("failed to create pipeline");
142 source = gst_element_factory_make ("filesrc", "file-source");
145 source = gst_element_factory_make ("neonhttpsrc", "http-source");
147 g_object_set (G_OBJECT (source), "automatic-redirect", TRUE, NULL);
151 eWarning("failed to create %s", is_streaming ? "neonhttpsrc" : "filesrc");
153 /* configure source */
154 g_object_set (G_OBJECT (source), "location", filename, NULL);
158 /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */
159 const char *decodertype = is_mp3 ? "mad" : "decodebin";
161 decoder = gst_element_factory_make (decodertype, "decoder");
163 eWarning("failed to create %s decoder", decodertype);
165 /* mp3 decoding needs id3demux to extract ID3 data. 'decodebin' would do that internally. */
168 filter = gst_element_factory_make ("id3demux", "filter");
170 eWarning("failed to create id3demux");
173 conv = gst_element_factory_make ("audioconvert", "converter");
175 eWarning("failed to create audioconvert");
177 flt = gst_element_factory_make ("capsfilter", "flt");
179 eWarning("failed to create capsfilter");
181 /* for some reasons, we need to set the sample format to depth/width=16, because auto negotiation doesn't work. */
182 /* endianness, however, is not required to be set anymore. */
185 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);
186 g_object_set (G_OBJECT (flt), "caps", caps, (char*)0);
187 gst_caps_unref(caps);
190 sink = gst_element_factory_make ("alsasink", "alsa-output");
192 eWarning("failed to create osssink");
194 if (source && decoder && conv && sink)
196 } else /* is_video */
198 /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink
199 | queue_video -> dvbvideosink */
201 audio = gst_element_factory_make("dvbaudiosink", "audio");
202 queue_audio = gst_element_factory_make("queue", "queue_audio");
204 video = gst_element_factory_make("dvbvideosink", "video");
205 queue_video = gst_element_factory_make("queue", "queue_video");
208 mpegdemux = gst_element_factory_make("flupsdemux", "mpegdemux");
210 mpegdemux = gst_element_factory_make("flutsdemux", "mpegdemux");
214 eDebug("fluendo mpegdemux not available, falling back to mpegdemux\n");
215 mpegdemux = gst_element_factory_make("mpegdemux", "mpegdemux");
218 eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, mpegdemux %p", audio, queue_audio, video, queue_video, mpegdemux);
219 if (audio && queue_audio && video && queue_video && mpegdemux)
221 g_object_set (G_OBJECT (queue_audio), "max-size-buffers", 0, NULL);
222 g_object_set (G_OBJECT (queue_audio), "max-size-time", (guint64)0, NULL);
223 g_object_set (G_OBJECT (queue_video), "max-size-buffers", 0, NULL);
224 g_object_set (G_OBJECT (queue_video), "max-size-time", (guint64)0, NULL);
229 if (m_gst_pipeline && all_ok)
231 gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this);
237 /* decodebin has dynamic pads. When they get created, we connect them to the audio bin */
238 g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this);
239 g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this);
242 /* gst_bin will take the 'floating references' */
243 gst_bin_add_many (GST_BIN (m_gst_pipeline),
244 source, decoder, NULL);
248 /* id3demux also has dynamic pads, which need to be connected to the decoder (this is done in the 'gstCBfilterPadAdded' CB) */
249 gst_bin_add(GST_BIN(m_gst_pipeline), filter);
250 gst_element_link(source, filter);
252 g_signal_connect (filter, "pad-added", G_CALLBACK(gstCBfilterPadAdded), this);
254 /* in decodebin's case we can just connect the source with the decodebin, and decodebin will take care about id3demux (or whatever is required) */
255 gst_element_link(source, decoder);
257 /* create audio bin with the audioconverter, the capsfilter and the audiosink */
258 m_gst_audio = gst_bin_new ("audiobin");
260 GstPad *audiopad = gst_element_get_pad (conv, "sink");
261 gst_bin_add_many(GST_BIN(m_gst_audio), conv, flt, sink, (char*)0);
262 gst_element_link_many(conv, flt, sink, (char*)0);
263 gst_element_add_pad(m_gst_audio, gst_ghost_pad_new ("sink", audiopad));
264 gst_object_unref(audiopad);
265 gst_bin_add (GST_BIN(m_gst_pipeline), m_gst_audio);
267 /* in mad's case, we can directly connect the decoder to the audiobin. otherwise, we do this in gstCBnewPad */
269 gst_element_link(decoder, m_gst_audio);
272 gst_bin_add_many(GST_BIN(m_gst_pipeline), source, mpegdemux, audio, queue_audio, video, queue_video, NULL);
273 gst_element_link(source, mpegdemux);
274 gst_element_link(queue_audio, audio);
275 gst_element_link(queue_video, video);
277 m_gst_audioqueue = queue_audio;
278 m_gst_videoqueue = queue_video;
280 g_signal_connect(mpegdemux, "pad-added", G_CALLBACK (gstCBpadAdded), this);
285 gst_object_unref(GST_OBJECT(m_gst_pipeline));
287 gst_object_unref(GST_OBJECT(source));
289 gst_object_unref(GST_OBJECT(decoder));
291 gst_object_unref(GST_OBJECT(conv));
293 gst_object_unref(GST_OBJECT(sink));
296 gst_object_unref(GST_OBJECT(audio));
298 gst_object_unref(GST_OBJECT(queue_audio));
300 gst_object_unref(GST_OBJECT(video));
302 gst_object_unref(GST_OBJECT(queue_video));
304 gst_object_unref(GST_OBJECT(mpegdemux));
306 eDebug("sorry, can't play.");
310 gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
313 eServiceMP3::~eServiceMP3()
315 if (m_state == stRunning)
319 gst_tag_list_free(m_stream_tags);
323 gst_object_unref (GST_OBJECT (m_gst_pipeline));
324 eDebug("SERVICEMP3 destruct!");
328 DEFINE_REF(eServiceMP3);
330 RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event, ePtr<eConnection> &connection)
332 connection = new eConnection((iPlayableService*)this, m_event.connect(event));
336 RESULT eServiceMP3::start()
338 assert(m_state == stIdle);
343 eDebug("starting pipeline");
344 gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING);
346 m_event(this, evStart);
350 RESULT eServiceMP3::stop()
352 assert(m_state != stIdle);
353 if (m_state == stStopped)
355 printf("MP3: %s stop\n", m_filename.c_str());
356 gst_element_set_state(m_gst_pipeline, GST_STATE_NULL);
361 RESULT eServiceMP3::setTarget(int target)
366 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
372 RESULT eServiceMP3::setSlowMotion(int ratio)
377 RESULT eServiceMP3::setFastForward(int ratio)
383 RESULT eServiceMP3::pause()
387 gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
391 RESULT eServiceMP3::unpause()
395 gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
399 /* iSeekableService */
400 RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
406 RESULT eServiceMP3::getLength(pts_t &pts)
410 if (m_state != stRunning)
413 GstFormat fmt = GST_FORMAT_TIME;
416 if (!gst_element_query_duration(m_gst_pipeline, &fmt, &len))
419 /* len is in nanoseconds. we have 90 000 pts per second. */
425 RESULT eServiceMP3::seekTo(pts_t to)
430 /* convert pts to nanoseconds */
431 gint64 time_nanoseconds = to * 11111LL;
432 if (!gst_element_seek (m_gst_pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
433 GST_SEEK_TYPE_SET, time_nanoseconds,
434 GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
436 eDebug("SEEK failed");
442 RESULT eServiceMP3::seekRelative(int direction, pts_t to)
450 getPlayPosition(ppos);
451 ppos += to * direction;
461 RESULT eServiceMP3::getPlayPosition(pts_t &pts)
465 if (m_state != stRunning)
468 GstFormat fmt = GST_FORMAT_TIME;
471 if (!gst_element_query_position(m_gst_pipeline, &fmt, &len))
474 /* len is in nanoseconds. we have 90 000 pts per second. */
479 RESULT eServiceMP3::setTrickmode(int trick)
481 /* trickmode currently doesn't make any sense for us. */
485 RESULT eServiceMP3::isCurrentlySeekable()
490 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
496 RESULT eServiceMP3::getName(std::string &name)
499 size_t n = name.rfind('/');
500 if (n != std::string::npos)
501 name = name.substr(n + 1);
505 int eServiceMP3::getInfo(int w)
522 std::string eServiceMP3::getInfoString(int w)
531 tag = GST_TAG_ARTIST;
537 tag = GST_TAG_COMMENT;
540 tag = GST_TAG_TRACK_NUMBER;
549 if (!m_stream_tags || !tag)
554 if (gst_tag_list_get_string(m_stream_tags, tag, &value))
556 std::string res = value;
565 void foreach(const GstTagList *list, const gchar *tag, gpointer user_data)
568 eDebug("Tag: %c%c%c%c", tag[0], tag[1], tag[2], tag[3]);
572 void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
576 gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
577 eDebug("gst_message: %s", string);
581 switch (GST_MESSAGE_TYPE (msg))
583 case GST_MESSAGE_EOS:
584 m_event((iPlayableService*)this, evEOF);
586 case GST_MESSAGE_ERROR:
590 gst_message_parse_error (msg, &err, &debug);
592 eWarning("Gstreamer error: %s", err->message);
594 /* TODO: signal error condition to user */
597 case GST_MESSAGE_TAG:
599 GstTagList *tags, *result;
600 gst_message_parse_tag(msg, &tags);
602 result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_PREPEND);
606 gst_tag_list_free(m_stream_tags);
607 m_stream_tags = result;
609 gst_tag_list_free(tags);
611 m_event((iPlayableService*)this, evUpdatedInfo);
619 GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
621 eServiceMP3 *_this = (eServiceMP3*)user_data;
622 _this->m_pump.send(1);
627 void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data)
629 eServiceMP3 *_this = (eServiceMP3*)user_data;
632 name = gst_pad_get_name (pad);
633 g_print ("A new pad %s was created\n", name);
634 if (!strncmp(name, "audio_", 6)) // mpegdemux uses video_nn with n=0,1,.., flupsdemux uses stream id
635 gst_pad_link(pad, gst_element_get_pad (_this->m_gst_audioqueue, "sink"));
636 if (!strncmp(name, "video_", 6))
637 gst_pad_link(pad, gst_element_get_pad (_this->m_gst_videoqueue, "sink"));
642 void eServiceMP3::gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data)
644 eServiceMP3 *_this = (eServiceMP3*)user_data;
645 gst_pad_link(pad, gst_element_get_pad (_this->m_decoder, "sink"));
648 void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data)
650 eServiceMP3 *_this = (eServiceMP3*)user_data;
656 audiopad = gst_element_get_pad (_this->m_gst_audio, "sink");
657 if (GST_PAD_IS_LINKED (audiopad)) {
658 eDebug("audio already linked!");
659 g_object_unref (audiopad);
663 /* check media type */
664 caps = gst_pad_get_caps (pad);
665 str = gst_caps_get_structure (caps, 0);
666 eDebug("gst new pad! %s", gst_structure_get_name (str));
668 if (!g_strrstr (gst_structure_get_name (str), "audio")) {
669 gst_caps_unref (caps);
670 gst_object_unref (audiopad);
674 gst_caps_unref (caps);
675 gst_pad_link (pad, audiopad);
678 void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data)
680 eServiceMP3 *_this = (eServiceMP3*)user_data;
683 /* check media type */
684 caps = gst_pad_get_caps (pad);
685 str = gst_caps_get_structure (caps, 0);
686 eDebug("unknown type: %s - this can't be decoded.", gst_structure_get_name (str));
687 gst_caps_unref (caps);
690 void eServiceMP3::gstPoll(const int&)
692 /* ok, we have a serious problem here. gstBusSyncHandler sends
693 us the wakup signal, but likely before it was posted.
694 the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
696 I need to understand the API a bit more to make this work
700 GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline));
702 while ((message = gst_bus_pop (bus)))
704 gstBusCall(bus, message);
705 gst_message_unref (message);
709 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
711 #warning gstreamer not available, not building media player