X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/3bad22d5566624804a73b3791980bab2d84c8266..f3cc59418747658a3d8c6f3b75052567e32389d7:/lib/service/servicemp3.cpp diff --git a/lib/service/servicemp3.cpp b/lib/service/servicemp3.cpp index 0ff36db0..f74cc8d0 100644 --- a/lib/service/servicemp3.cpp +++ b/lib/service/servicemp3.cpp @@ -1,3 +1,7 @@ +#ifdef HAVE_GSTREAMER + + /* note: this requires gstreamer 0.10.x and a big list of plugins. */ + /* it's currently hardcoded to use a big-endian alsasink as sink. */ #include #include #include @@ -6,6 +10,7 @@ #include #include #include +#include // eServiceFactoryMP3 @@ -13,16 +18,27 @@ eServiceFactoryMP3::eServiceFactoryMP3() { ePtr sc; - eServiceCenter::getInstance(sc); + eServiceCenter::getPrivInstance(sc); if (sc) - sc->addServiceFactory(eServiceFactoryMP3::id, this); + { + std::list extensions; + extensions.push_back("mp3"); + extensions.push_back("ogg"); + extensions.push_back("mpg"); + extensions.push_back("vob"); + extensions.push_back("wav"); + extensions.push_back("wave"); + sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions); + } + + m_service_info = new eStaticServiceMP3Info(); } eServiceFactoryMP3::~eServiceFactoryMP3() { ePtr sc; - eServiceCenter::getInstance(sc); + eServiceCenter::getPrivInstance(sc); if (sc) sc->removeServiceFactory(eServiceFactoryMP3::id); } @@ -49,33 +65,280 @@ RESULT eServiceFactoryMP3::list(const eServiceReference &, ePtr &ptr) +{ + ptr = m_service_info; + return 0; +} + +RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &, ePtr &ptr) +{ + ptr = 0; + return -1; +} + + +// eStaticServiceMP3Info -void eServiceMP3::test_end() +// eStaticServiceMP3Info is seperated from eServiceMP3 to give information +// about unopened files. + +// probably eServiceMP3 should use this class as well, and eStaticServiceMP3Info +// should have a database backend where ID3-files etc. are cached. +// this would allow listing the mp3 database based on certain filters. + +DEFINE_REF(eStaticServiceMP3Info) + +eStaticServiceMP3Info::eStaticServiceMP3Info() { - eDebug("end of mp3!"); - stop(); } -eServiceMP3::eServiceMP3(const char *filename): filename(filename), test(eApp) +RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name) { + size_t last = ref.path.rfind('/'); + if (last != std::string::npos) + name = ref.path.substr(last+1); + else + name = ref.path; + return 0; +} + +int eStaticServiceMP3Info::getLength(const eServiceReference &ref) +{ + return -1; +} + +// eServiceMP3 + +eServiceMP3::eServiceMP3(const char *filename): m_filename(filename), m_pump(eApp, 1) +{ + m_stream_tags = 0; + CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll); + GstElement *source = 0; + + GstElement *filter = 0, *decoder = 0, *conv = 0, *flt = 0, *sink = 0; /* for audio */ + + GstElement *audio = 0, *queue_audio = 0, *video = 0, *queue_video = 0, *mpegdemux = 0; + m_state = stIdle; eDebug("SERVICEMP3 construct!"); + + /* FIXME: currently, decodebin isn't possible for + video streams. in that case, make a manual pipeline. */ + + const char *ext = strrchr(filename, '.'); + if (!ext) + ext = filename; + + int is_mpeg_ps = !(strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin")); + int is_mpeg_ts = !strcasecmp(ext, ".ts"); + int is_mp3 = !strcasecmp(ext, ".mp3"); /* force mp3 instead of decodebin */ + int is_video = is_mpeg_ps || is_mpeg_ts; + int is_streaming = !strncmp(filename, "http://", 7); + + 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); + + int is_audio = !is_video; + + int all_ok = 0; + + m_gst_pipeline = gst_pipeline_new ("audio-player"); + if (!m_gst_pipeline) + eWarning("failed to create pipeline"); + + if (!is_streaming) + source = gst_element_factory_make ("filesrc", "file-source"); + else + { + source = gst_element_factory_make ("neonhttpsrc", "http-source"); + if (source) + g_object_set (G_OBJECT (source), "automatic-redirect", TRUE, NULL); + } + + if (!source) + eWarning("failed to create %s", is_streaming ? "neonhttpsrc" : "filesrc"); + else + /* configure source */ + g_object_set (G_OBJECT (source), "location", filename, NULL); + + if (is_audio) + { + /* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */ + const char *decodertype = is_mp3 ? "mad" : "decodebin"; + + decoder = gst_element_factory_make (decodertype, "decoder"); + if (!decoder) + eWarning("failed to create %s decoder", decodertype); + + /* mp3 decoding needs id3demux to extract ID3 data. 'decodebin' would do that internally. */ + if (is_mp3) + { + filter = gst_element_factory_make ("id3demux", "filter"); + if (!filter) + eWarning("failed to create id3demux"); + } + + conv = gst_element_factory_make ("audioconvert", "converter"); + if (!conv) + eWarning("failed to create audioconvert"); + + flt = gst_element_factory_make ("capsfilter", "flt"); + if (!flt) + eWarning("failed to create capsfilter"); + + /* for some reasons, we need to set the sample format to depth/width=16, because auto negotiation doesn't work. */ + /* endianness, however, is not required to be set anymore. */ + if (flt) + { + 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); + g_object_set (G_OBJECT (flt), "caps", caps, (char*)0); + gst_caps_unref(caps); + } + + sink = gst_element_factory_make ("alsasink", "alsa-output"); + if (!sink) + eWarning("failed to create osssink"); + + if (source && decoder && conv && sink) + all_ok = 1; + } else /* is_video */ + { + /* filesrc -> mpegdemux -> | queue_audio -> dvbaudiosink + | queue_video -> dvbvideosink */ + + audio = gst_element_factory_make("dvbaudiosink", "audio"); + queue_audio = gst_element_factory_make("queue", "queue_audio"); + + video = gst_element_factory_make("dvbvideosink", "video"); + queue_video = gst_element_factory_make("queue", "queue_video"); + + if (is_mpeg_ps) + mpegdemux = gst_element_factory_make("flupsdemux", "mpegdemux"); + else + mpegdemux = gst_element_factory_make("flutsdemux", "mpegdemux"); + + if (!mpegdemux) + { + eDebug("fluendo mpegdemux not available, falling back to mpegdemux\n"); + mpegdemux = gst_element_factory_make("mpegdemux", "mpegdemux"); + } + + eDebug("audio: %p, queue_audio %p, video %p, queue_video %p, mpegdemux %p", audio, queue_audio, video, queue_video, mpegdemux); + if (audio && queue_audio && video && queue_video && mpegdemux) + { + g_object_set (G_OBJECT (queue_audio), "max-size-buffers", 0, NULL); + g_object_set (G_OBJECT (queue_audio), "max-size-time", (guint64)0, NULL); + g_object_set (G_OBJECT (queue_video), "max-size-buffers", 0, NULL); + g_object_set (G_OBJECT (queue_video), "max-size-time", (guint64)0, NULL); + all_ok = 1; + } + } + + if (m_gst_pipeline && all_ok) + { + gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this); + + if (is_audio) + { + if (!is_mp3) + { + /* decodebin has dynamic pads. When they get created, we connect them to the audio bin */ + g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this); + g_signal_connect (decoder, "unknown-type", G_CALLBACK(gstCBunknownType), this); + } + + /* gst_bin will take the 'floating references' */ + gst_bin_add_many (GST_BIN (m_gst_pipeline), + source, decoder, NULL); + + if (filter) + { + /* id3demux also has dynamic pads, which need to be connected to the decoder (this is done in the 'gstCBfilterPadAdded' CB) */ + gst_bin_add(GST_BIN(m_gst_pipeline), filter); + gst_element_link(source, filter); + m_decoder = decoder; + g_signal_connect (filter, "pad-added", G_CALLBACK(gstCBfilterPadAdded), this); + } else + /* in decodebin's case we can just connect the source with the decodebin, and decodebin will take care about id3demux (or whatever is required) */ + gst_element_link(source, decoder); + + /* create audio bin with the audioconverter, the capsfilter and the audiosink */ + m_gst_audio = gst_bin_new ("audiobin"); + + GstPad *audiopad = gst_element_get_pad (conv, "sink"); + gst_bin_add_many(GST_BIN(m_gst_audio), conv, flt, sink, (char*)0); + gst_element_link_many(conv, flt, sink, (char*)0); + gst_element_add_pad(m_gst_audio, gst_ghost_pad_new ("sink", audiopad)); + gst_object_unref(audiopad); + gst_bin_add (GST_BIN(m_gst_pipeline), m_gst_audio); + + /* in mad's case, we can directly connect the decoder to the audiobin. otherwise, we do this in gstCBnewPad */ + if (is_mp3) + gst_element_link(decoder, m_gst_audio); + } else + { + gst_bin_add_many(GST_BIN(m_gst_pipeline), source, mpegdemux, audio, queue_audio, video, queue_video, NULL); + gst_element_link(source, mpegdemux); + gst_element_link(queue_audio, audio); + gst_element_link(queue_video, video); + + m_gst_audioqueue = queue_audio; + m_gst_videoqueue = queue_video; + + g_signal_connect(mpegdemux, "pad-added", G_CALLBACK (gstCBpadAdded), this); + } + } else + { + if (m_gst_pipeline) + gst_object_unref(GST_OBJECT(m_gst_pipeline)); + if (source) + gst_object_unref(GST_OBJECT(source)); + if (decoder) + gst_object_unref(GST_OBJECT(decoder)); + if (conv) + gst_object_unref(GST_OBJECT(conv)); + if (sink) + gst_object_unref(GST_OBJECT(sink)); + + if (audio) + gst_object_unref(GST_OBJECT(audio)); + if (queue_audio) + gst_object_unref(GST_OBJECT(queue_audio)); + if (video) + gst_object_unref(GST_OBJECT(video)); + if (queue_video) + gst_object_unref(GST_OBJECT(queue_video)); + if (mpegdemux) + gst_object_unref(GST_OBJECT(mpegdemux)); + + eDebug("sorry, can't play."); + m_gst_pipeline = 0; + } + + gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING); } eServiceMP3::~eServiceMP3() { - eDebug("SERVICEMP3 destruct!"); if (m_state == stRunning) stop(); + + if (m_stream_tags) + gst_tag_list_free(m_stream_tags); + + if (m_gst_pipeline) + { + gst_object_unref (GST_OBJECT (m_gst_pipeline)); + eDebug("SERVICEMP3 destruct!"); + } } DEFINE_REF(eServiceMP3); RESULT eServiceMP3::connectEvent(const Slot2 &event, ePtr &connection) { - connection = new eConnection(this, m_event.connect(event)); + connection = new eConnection((iPlayableService*)this, m_event.connect(event)); return 0; } @@ -84,11 +347,11 @@ RESULT eServiceMP3::start() assert(m_state == stIdle); m_state = stRunning; - - printf("mp3 starts\n"); - printf("MP3: %s start\n", filename.c_str()); - test.start(1000, 1); - CONNECT(test.timeout, eServiceMP3::test_end); + if (m_gst_pipeline) + { + eDebug("starting pipeline"); + gst_element_set_state (m_gst_pipeline, GST_STATE_PLAYING); + } m_event(this, evStart); return 0; } @@ -98,25 +361,361 @@ RESULT eServiceMP3::stop() assert(m_state != stIdle); if (m_state == stStopped) return -1; - test.stop(); - printf("MP3: %s stop\n", filename.c_str()); + printf("MP3: %s stop\n", m_filename.c_str()); + gst_element_set_state(m_gst_pipeline, GST_STATE_NULL); m_state = stStopped; - m_event(this, evEnd); return 0; } -RESULT eServiceMP3::getIPausableService(ePtr &ptr) { ptr=this; return 0; } +RESULT eServiceMP3::setTarget(int target) +{ + return -1; +} + +RESULT eServiceMP3::pause(ePtr &ptr) +{ + ptr=this; + return 0; +} + +RESULT eServiceMP3::setSlowMotion(int ratio) +{ + return -1; +} +RESULT eServiceMP3::setFastForward(int ratio) +{ + return -1; +} + // iPausableService -RESULT eServiceMP3::pause() { printf("mp3 pauses!\n"); return 0; } -RESULT eServiceMP3::unpause() { printf("mp3 unpauses!\n"); return 0; } +RESULT eServiceMP3::pause() +{ + if (!m_gst_pipeline) + return -1; + gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED); + return 0; +} -RESULT eServiceMP3::getIServiceInformation(ePtr&i) { i = this; return 0; } +RESULT eServiceMP3::unpause() +{ + if (!m_gst_pipeline) + return -1; + gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING); + return 0; +} -RESULT eServiceMP3::getName(eString &name) + /* iSeekableService */ +RESULT eServiceMP3::seek(ePtr &ptr) { - name = "MP3 File: " + filename; + ptr = this; return 0; } +RESULT eServiceMP3::getLength(pts_t &pts) +{ + if (!m_gst_pipeline) + return -1; + if (m_state != stRunning) + return -1; + + GstFormat fmt = GST_FORMAT_TIME; + gint64 len; + + if (!gst_element_query_duration(m_gst_pipeline, &fmt, &len)) + return -1; + + /* len is in nanoseconds. we have 90 000 pts per second. */ + + pts = len / 11111; + return 0; +} + +RESULT eServiceMP3::seekTo(pts_t to) +{ + if (!m_gst_pipeline) + return -1; + + /* convert pts to nanoseconds */ + gint64 time_nanoseconds = to * 11111LL; + if (!gst_element_seek (m_gst_pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, + GST_SEEK_TYPE_SET, time_nanoseconds, + GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) + { + eDebug("SEEK failed"); + return -1; + } + return 0; +} + +RESULT eServiceMP3::seekRelative(int direction, pts_t to) +{ + if (!m_gst_pipeline) + return -1; + + pause(); + + pts_t ppos; + getPlayPosition(ppos); + ppos += to * direction; + if (ppos < 0) + ppos = 0; + seekTo(ppos); + + unpause(); + + return 0; +} + +RESULT eServiceMP3::getPlayPosition(pts_t &pts) +{ + if (!m_gst_pipeline) + return -1; + if (m_state != stRunning) + return -1; + + GstFormat fmt = GST_FORMAT_TIME; + gint64 len; + + if (!gst_element_query_position(m_gst_pipeline, &fmt, &len)) + return -1; + + /* len is in nanoseconds. we have 90 000 pts per second. */ + pts = len / 11111; + return 0; +} + +RESULT eServiceMP3::setTrickmode(int trick) +{ + /* trickmode currently doesn't make any sense for us. */ + return -1; +} + +RESULT eServiceMP3::isCurrentlySeekable() +{ + return 1; +} + +RESULT eServiceMP3::info(ePtr&i) +{ + i = this; + return 0; +} + +RESULT eServiceMP3::getName(std::string &name) +{ + name = m_filename; + size_t n = name.rfind('/'); + if (n != std::string::npos) + name = name.substr(n + 1); + return 0; +} + +int eServiceMP3::getInfo(int w) +{ + switch (w) + { + case sTitle: + case sArtist: + case sAlbum: + case sComment: + case sTracknumber: + case sGenre: + return resIsString; + + default: + return resNA; + } +} + +std::string eServiceMP3::getInfoString(int w) +{ + gchar *tag = 0; + switch (w) + { + case sTitle: + tag = GST_TAG_TITLE; + break; + case sArtist: + tag = GST_TAG_ARTIST; + break; + case sAlbum: + tag = GST_TAG_ALBUM; + break; + case sComment: + tag = GST_TAG_COMMENT; + break; + case sTracknumber: + tag = GST_TAG_TRACK_NUMBER; + break; + case sGenre: + tag = GST_TAG_GENRE; + break; + default: + return ""; + } + + if (!m_stream_tags || !tag) + return ""; + + gchar *value; + + if (gst_tag_list_get_string(m_stream_tags, tag, &value)) + { + std::string res = value; + g_free(value); + return res; + } + + return ""; +} + + + void foreach(const GstTagList *list, const gchar *tag, gpointer user_data) + { + if (tag) + eDebug("Tag: %c%c%c%c", tag[0], tag[1], tag[2], tag[3]); + + } + +void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg) +{ + if (msg) + { + gchar *string = gst_structure_to_string(gst_message_get_structure(msg)); + eDebug("gst_message: %s", string); + g_free(string); + } + + switch (GST_MESSAGE_TYPE (msg)) + { + case GST_MESSAGE_EOS: + m_event((iPlayableService*)this, evEOF); + break; + case GST_MESSAGE_ERROR: + { + gchar *debug; + GError *err; + gst_message_parse_error (msg, &err, &debug); + g_free (debug); + eWarning("Gstreamer error: %s", err->message); + g_error_free(err); + /* TODO: signal error condition to user */ + break; + } + case GST_MESSAGE_TAG: + { + GstTagList *tags, *result; + gst_message_parse_tag(msg, &tags); + + result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_PREPEND); + if (result) + { + if (m_stream_tags) + gst_tag_list_free(m_stream_tags); + m_stream_tags = result; + } + gst_tag_list_free(tags); + + m_event((iPlayableService*)this, evUpdatedInfo); + break; + } + default: + break; + } +} + +GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data) +{ + eServiceMP3 *_this = (eServiceMP3*)user_data; + _this->m_pump.send(1); + /* wake */ + return GST_BUS_PASS; +} + +void eServiceMP3::gstCBpadAdded(GstElement *decodebin, GstPad *pad, gpointer user_data) +{ + eServiceMP3 *_this = (eServiceMP3*)user_data; + + gchar *name; + name = gst_pad_get_name (pad); + g_print ("A new pad %s was created\n", name); + if (!strncmp(name, "audio_", 6)) // mpegdemux uses video_nn with n=0,1,.., flupsdemux uses stream id + gst_pad_link(pad, gst_element_get_pad (_this->m_gst_audioqueue, "sink")); + if (!strncmp(name, "video_", 6)) + gst_pad_link(pad, gst_element_get_pad (_this->m_gst_videoqueue, "sink")); + g_free (name); + +} + +void eServiceMP3::gstCBfilterPadAdded(GstElement *filter, GstPad *pad, gpointer user_data) +{ + eServiceMP3 *_this = (eServiceMP3*)user_data; + gst_pad_link(pad, gst_element_get_pad (_this->m_decoder, "sink")); +} + +void eServiceMP3::gstCBnewPad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer user_data) +{ + eServiceMP3 *_this = (eServiceMP3*)user_data; + GstCaps *caps; + GstStructure *str; + GstPad *audiopad; + + /* only link once */ + audiopad = gst_element_get_pad (_this->m_gst_audio, "sink"); + if (GST_PAD_IS_LINKED (audiopad)) { + eDebug("audio already linked!"); + g_object_unref (audiopad); + return; + } + + /* check media type */ + caps = gst_pad_get_caps (pad); + str = gst_caps_get_structure (caps, 0); + eDebug("gst new pad! %s", gst_structure_get_name (str)); + + if (!g_strrstr (gst_structure_get_name (str), "audio")) { + gst_caps_unref (caps); + gst_object_unref (audiopad); + return; + } + + gst_caps_unref (caps); + gst_pad_link (pad, audiopad); +} + +void eServiceMP3::gstCBunknownType(GstElement *decodebin, GstPad *pad, GstCaps *caps, gpointer user_data) +{ + eServiceMP3 *_this = (eServiceMP3*)user_data; + GstStructure *str; + + /* check media type */ + caps = gst_pad_get_caps (pad); + str = gst_caps_get_structure (caps, 0); + eDebug("unknown type: %s - this can't be decoded.", gst_structure_get_name (str)); + gst_caps_unref (caps); +} + +void eServiceMP3::gstPoll(const int&) +{ + /* ok, we have a serious problem here. gstBusSyncHandler sends + us the wakup signal, but likely before it was posted. + the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this. + + I need to understand the API a bit more to make this work + proplerly. */ + usleep(1); + + GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)); + GstMessage *message; + while ((message = gst_bus_pop (bus))) + { + gstBusCall(bus, message); + gst_message_unref (message); + } +} + eAutoInitPtr init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3"); +#else +#warning gstreamer not available, not building media player +#endif