Beispiel #1
0
/**
 * ly_aud_get_position_abs:
 *
 * Get the current position by GStreamer inner clock which is in a format of gint64.
 *
 * Returns: The abusolute position time.
 */
gint64
ly_aud_get_position_abs()
{
	GstState state;
	state=ly_aud_get_state();
	if((state!=GST_STATE_PLAYING)&&(state!=GST_STATE_PAUSED))
		return 0;

	LyMdhMetadata *md=ly_pqm_get_current_md();
	if(!md)
		return 0;
	GstElement *play=ly_ppl_get_playbin();
	if(!play)
		return 0;

	GstFormat fmt=GST_FORMAT_TIME;
	gint64 start=0;
	gint64 dura=0;
	gint64 pos=0;

	start=ly_mdh_time_str2int(md->start);
	dura=ly_mdh_time_str2int(md->duration);

	if(dura<=0)
	{
		gst_element_query_duration(play, &fmt, &dura);
		dura-=start;
		gchar *str=ly_mdh_time_int2str(dura);
		gchar sql[128]="";
		g_snprintf(sql, sizeof(sql), "UPDATE metadatas SET duration='%s' WHERE id=%d", str, md->id);
		g_free(str);
		ly_dbm_exec(sql, NULL, NULL);
		ly_pqm_set_current_md(md->id);
	}

	if(!gst_element_query_position(play, &fmt, &pos))
	{
		ly_log_put_with_flag(G_LOG_LEVEL_DEBUG, _("Position wrong!"));
		return 0;
	}
	if(pos-start<-60000000000)
	{
		ly_log_put_with_flag(G_LOG_LEVEL_DEBUG, _("Position wrong!"));
		return 0;
	}
	pos=pos-start;
	if(pos<0)
		pos=0;
	else if(pos>dura)
		pos=dura;
	return pos;
}
Beispiel #2
0
/**
 * ly_gla_fina:
 *
 * Create a new allocate LyMdhMetadata type structure based on a uri. It fills
 * all fields in metadata struct.
 *
 * Returns:		a newly allocated metadata struct.
 */
LyMdhMetadata*	ly_mdh_new_with_uri_full	(char *uri)
{
	/*
	 * test file
	 */
	char *prefix=ly_gla_uri_get_prefix(uri);
	char *path=ly_gla_uri_get_path(uri);
	if(!g_str_equal(prefix, "file://"))
	{
		g_free(prefix);
		ly_log_put_with_flag(G_LOG_LEVEL_DEBUG,  _("Cannot open file: %s. unsupported protocol!"), uri);
		return NULL;
	}
	g_free(prefix);
	if(!g_file_test(path, G_FILE_TEST_EXISTS))
	{
		g_free(path);
		ly_log_put_with_flag(G_LOG_LEVEL_DEBUG,  _("Cannot open file: %s. file not found!"), uri);
		return NULL;
	}
	g_free(path);

	ly_mdh_pipeline=NULL;
	ly_mdh_md_eos=FALSE;

	/*
	 * create and initial metadata
	 */
	LyMdhMetadata *metadata=ly_mdh_new();
	g_strlcpy(metadata->uri, uri, sizeof(metadata->uri));

	/*
	 * build the pipeline
	 */
	GstFormat fmt=GST_FORMAT_TIME;
	GstElement *urisrc;
	GstElement *decodebin;
	GstElement *fakesink;
	GstBus *bus=NULL;
	gint changeTimeout = 0;
	GstStateChangeReturn rt;
	GstMessage *msg;

	ly_mdh_pipeline=gst_pipeline_new("pipeline");
	urisrc=gst_element_make_from_uri(GST_URI_SRC,metadata->uri,"urisrc");
	decodebin=gst_element_factory_make("decodebin","decodebin");
	fakesink=gst_element_factory_make("fakesink","fakesink");

	gst_bin_add_many(GST_BIN(ly_mdh_pipeline),urisrc,decodebin,fakesink,NULL);
	gst_element_link(urisrc,decodebin);

	g_signal_connect_object(G_OBJECT(decodebin),"new-decoded-pad",G_CALLBACK(ly_mdh_new_with_uri_pipe_cb),fakesink,0);

	bus = gst_pipeline_get_bus(GST_PIPELINE(ly_mdh_pipeline));
	gst_element_set_state(ly_mdh_pipeline,GST_STATE_NULL);
	gst_element_set_state(ly_mdh_pipeline,GST_STATE_READY);
	rt = gst_element_set_state(ly_mdh_pipeline,GST_STATE_PAUSED);
	if(!rt)
	{
		if(ly_mdh_pipeline!=NULL)
			gst_object_unref(GST_OBJECT(ly_mdh_pipeline));
		ly_mdh_md_eos=FALSE;
		ly_mdh_pipeline=NULL;
		return FALSE;
	}
	while(rt==GST_STATE_CHANGE_ASYNC && !ly_mdh_md_eos && changeTimeout < 5)
	{
		msg = gst_bus_timed_pop(bus, 1 * GST_SECOND);
		if(msg!=NULL)
		{
			ly_mdh_new_with_uri_full_bus_cb(bus, msg, metadata);
			gst_message_unref(msg);
			changeTimeout = 0;
		}
		else
			changeTimeout++;
		rt = gst_element_get_state(ly_mdh_pipeline, NULL, NULL, 0);
	}
	gst_object_unref(bus);
	ly_mdh_new_with_uri_full_loop_cb(metadata, ly_mdh_pipeline, FALSE);
	if(rt!=GST_STATE_CHANGE_SUCCESS)
	{
		gst_element_set_state(ly_mdh_pipeline,GST_STATE_NULL);
		if(ly_mdh_pipeline!=NULL)
			gst_object_unref(GST_OBJECT(ly_mdh_pipeline));
		return FALSE;
	}

	/*
	 * get duration
	 */
	gint64 dura=0;
	gst_element_query_duration(ly_mdh_pipeline,&fmt,&dura);
	char *duration=ly_mdh_time_int2str(dura);
	g_strlcpy(metadata->duration,duration,sizeof(metadata->duration));
	g_free(duration);

	rt = gst_element_set_state(ly_mdh_pipeline,GST_STATE_NULL);
	gst_object_unref(ly_mdh_pipeline);

	char *str;
	if(g_str_equal(metadata->title,"")||g_str_equal(metadata->title,"unknown"))
	{
		str=ly_gla_uri_get_filename(uri);
		g_strlcpy(metadata->title,str,sizeof(metadata->title));
		g_free(str);
	}

	ly_mdh_pipeline=NULL;
	ly_mdh_md_eos=FALSE;
	return metadata;
}