X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/cd038ce28d53719a27e7009365dd74fec19357df..dc5b3144665e827fccf38fcab1c167e6dacdac7a:/lib/service/servicemp3.cpp

diff --git a/lib/service/servicemp3.cpp b/lib/service/servicemp3.cpp
index 27a010fb..22b9a667 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 <lib/base/eerror.h>
 #include <lib/base/object.h>
 #include <lib/base/ebase.h>
@@ -6,6 +10,7 @@
 #include <lib/service/service.h>
 #include <lib/base/init_num.h>
 #include <lib/base/init.h>
+#include <gst/gst.h>
 
 // eServiceFactoryMP3
 
@@ -82,7 +87,11 @@ 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;
 }
 
@@ -93,23 +102,167 @@ int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 
 // eServiceMP3
 
-void eServiceMP3::test_end()
-{
-	eDebug("end of mp3!");
-	stop();
-}
-
-eServiceMP3::eServiceMP3(const char *filename): filename(filename), test(eApp)
+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 *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. */
+
+	int is_video = !!strstr(filename, "mpg"); /* fixme */
+	
+	int use_decodebin = !is_video;
+	
+	int all_ok = 0;
+
+	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");
+	
+	if (use_decodebin)
+	{
+			/* filesrc -> decodebin -> audioconvert -> capsfilter -> alsasink */
+		
+		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, (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");
+		
+		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)
+			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);
+
+				/* configure source */
+		g_object_set (G_OBJECT (source), "location", filename, NULL);
+		
+		if (use_decodebin)
+		{
+			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);
+			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, (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);
+		} else
+		{
+			gst_bin_add_many(GST_BIN(m_gst_pipeline), source, mpegdemux, audio, queue_audio, video, queue_video, mpegdemux, 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);	
@@ -125,11 +278,11 @@ 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;
 }
@@ -139,13 +292,17 @@ 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::setTarget(int target)
+{
+	return -1;
+}
+
 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 {
 	ptr=this;
@@ -165,16 +322,111 @@ RESULT eServiceMP3::setFastForward(int ratio)
 		// iPausableService
 RESULT eServiceMP3::pause()
 {
-	printf("mp3 pauses!\n");
+	if (!m_gst_pipeline)
+		return -1;
+	gst_element_set_state(m_gst_pipeline, GST_STATE_PAUSED);
 	return 0;
 }
 
 RESULT eServiceMP3::unpause()
 {
-	printf("mp3 unpauses!\n");
+	if (!m_gst_pipeline)
+		return -1;
+	gst_element_set_state(m_gst_pipeline, GST_STATE_PLAYING);
 	return 0;
 }
 
+	/* iSeekableService */
+RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
+{
+	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<iServiceInformation>&i)
 {
 	i = this;
@@ -183,8 +435,205 @@ RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 
 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)
+{
+	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);
+		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 (!strcmp(name, "audio_00"))
+		gst_pad_link(pad, gst_element_get_pad (_this->m_gst_audioqueue, "sink"));
+	if (!strcmp(name, "video_00"))
+		gst_pad_link(pad, gst_element_get_pad (_this->m_gst_videoqueue, "sink"));
+	g_free (name);
+	
+}
+  
+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<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
+#else
+#warning gstreamer not available, not building media player
+#endif