X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/181d3463e3545890e0a0c60081e84af67d302614..78c706dcbf7041327caad5e3942bcb3b8040b0de:/lib/service/servicemp3.cpp diff --git a/lib/service/servicemp3.cpp b/lib/service/servicemp3.cpp index 21c6cba0..88b873de 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 @@ -13,7 +18,7 @@ eServiceFactoryMP3::eServiceFactoryMP3() { ePtr sc; - eServiceCenter::getInstance(sc); + eServiceCenter::getPrivInstance(sc); if (sc) sc->addServiceFactory(eServiceFactoryMP3::id, this); @@ -24,7 +29,7 @@ eServiceFactoryMP3::~eServiceFactoryMP3() { ePtr sc; - eServiceCenter::getInstance(sc); + eServiceCenter::getPrivInstance(sc); if (sc) sc->removeServiceFactory(eServiceFactoryMP3::id); } @@ -57,6 +62,13 @@ RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr &ptr) +{ + ptr = 0; + return -1; +} + + // eStaticServiceMP3Info @@ -75,29 +87,115 @@ eStaticServiceMP3Info::eStaticServiceMP3Info() RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name) { - name = "MP3 file: " + ref.path; + size_t last = ref.path.rfind('/'); + if (last != std::string::npos) + name = ref.path.substr(last+1); + else + name = ref.path; return 0; } -// eServiceMP3 - -void eServiceMP3::test_end() +int eStaticServiceMP3Info::getLength(const eServiceReference &ref) { - eDebug("end of mp3!"); - stop(); + return -1; } -eServiceMP3::eServiceMP3(const char *filename): filename(filename), test(eApp) +// 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, *decoder, *conv, *flt, *sink; m_state = stIdle; eDebug("SERVICEMP3 construct!"); + + m_gst_pipeline = gst_pipeline_new ("audio-player"); + if (!m_gst_pipeline) + eWarning("failed to create pipeline"); + + source = gst_element_factory_make ("filesrc", "file-source"); + if (!source) + eWarning("failed to create filesrc"); + + decoder = gst_element_factory_make ("decodebin", "decoder"); + if (!decoder) + eWarning("failed to create decodebin decoder"); + + 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"); + + /* workaround for [3des]' driver bugs: */ + if (flt) + { + GstCaps *caps = gst_caps_new_simple("audio/x-raw-int", "endianness", G_TYPE_INT, 4321, 0); + g_object_set (G_OBJECT (flt), "caps", caps, 0); + gst_caps_unref(caps); + } + + sink = gst_element_factory_make ("alsasink", "alsa-output"); + if (!sink) + eWarning("failed to create osssink"); + + if (m_gst_pipeline && source && decoder && conv && sink) + { + gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_pipeline)), gstBusSyncHandler, this); + + g_object_set (G_OBJECT (source), "location", filename, NULL); + g_signal_connect (decoder, "new-decoded-pad", G_CALLBACK(gstCBnewPad), this); + + /* gst_bin will take the 'floating references' */ + gst_bin_add_many (GST_BIN (m_gst_pipeline), + source, decoder, NULL); + + gst_element_link(source, decoder); + + /* create audio bin */ + 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, 0); + gst_element_link_many(conv, flt, sink, 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); + } 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)); + eDebug("sorry, can't play."); + } + + 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); @@ -113,11 +211,11 @@ 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; } @@ -127,25 +225,308 @@ 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::pause(ePtr &ptr) { ptr=this; return 0; } +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::unpause() +{ + if (!m_gst_pipeline) + return -1; + gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING); + return 0; +} + + /* iSeekableService */ +RESULT eServiceMP3::seek(ePtr &ptr) +{ + ptr = this; + return 0; +} -RESULT eServiceMP3::info(ePtr&i) { i = 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) +{ + /* implement me */ + return -1; +} + +RESULT eServiceMP3::seekRelative(int direction, pts_t to) +{ + /* implement me */ + return -1; +} + +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 = "MP3 File: " + filename; + name = "MP3 File: " + m_filename; 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) +{ + switch (GST_MESSAGE_TYPE (msg)) + { + case GST_MESSAGE_EOS: + eDebug("end of stream!"); + 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); + exit(0); + break; + } + case GST_MESSAGE_TAG: + { + GstTagList *tags, *result; + gst_message_parse_tag(msg, &tags); + eDebug("is tag list: %d", GST_IS_TAG_LIST(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); + + eDebug("listing tags.."); + gst_tag_list_foreach(m_stream_tags, foreach, 0); + eDebug("ok"); + + if (m_stream_tags) + { + gchar *title; + eDebug("is tag list: %d", GST_IS_TAG_LIST(m_stream_tags)); + if (gst_tag_list_get_string(m_stream_tags, GST_TAG_TITLE, &title)) + { + eDebug("TITLE: %s", title); + g_free(title); + } else + eDebug("no title"); + } else + eDebug("no tags"); + + eDebug("tag list updated!"); + break; + } + default: + eDebug("unknown message"); + 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::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)) { + g_object_unref (audiopad); + return; + } + + /* check media type */ + caps = gst_pad_get_caps (pad); + str = gst_caps_get_structure (caps, 0); + 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::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