gstreamer/gst/gsttracerfactory.c

100 lines
2.7 KiB
C

/* GStreamer
* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
*
* gsttracerfactory.c: tracing subsystem
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gsttracerfactory
* @title: GstTracerFactory
* @short_description: Information about registered tracer functions
*
* Use gst_tracer_factory_get_list() to get a list of tracer factories known to
* GStreamer.
*/
#include "gst_private.h"
#include "gstinfo.h"
#include "gsttracerfactory.h"
#include "gstregistry.h"
GST_DEBUG_CATEGORY (tracer_debug);
#define GST_CAT_DEFAULT tracer_debug
#define _do_init \
{ \
GST_DEBUG_CATEGORY_INIT (tracer_debug, "GST_TRACER", \
GST_DEBUG_FG_BLUE, "tracing subsystem"); \
}
#define gst_tracer_factory_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstTracerFactory, gst_tracer_factory,
GST_TYPE_PLUGIN_FEATURE, _do_init);
static void
gst_tracer_factory_class_init (GstTracerFactoryClass * klass)
{
}
static void
gst_tracer_factory_init (GstTracerFactory * factory)
{
}
/**
* gst_tracer_factory_get_list:
*
* Gets the list of all registered tracer factories. You must free the
* list using gst_plugin_feature_list_free().
*
* The returned factories are sorted by factory name.
*
* Free-function: gst_plugin_feature_list_free
*
* Returns: (transfer full) (element-type Gst.TracerFactory): the list of all
* registered #GstTracerFactory.
*
* Since: 1.8
*/
GList *
gst_tracer_factory_get_list (void)
{
return gst_registry_get_feature_list (gst_registry_get (),
GST_TYPE_TRACER_FACTORY);
}
/**
* gst_tracer_factory_get_tracer_type:
* @factory: factory to get managed #GType from
*
* Get the #GType for elements managed by this factory. The type can
* only be retrieved if the element factory is loaded, which can be
* assured with gst_plugin_feature_load().
*
* Returns: the #GType for tracers managed by this factory or 0 if
* the factory is not loaded.
*
* Since: 1.14
*/
GType
gst_tracer_factory_get_tracer_type (GstTracerFactory * factory)
{
g_return_val_if_fail (GST_IS_TRACER_FACTORY (factory), 0);
return factory->type;
}