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gst/gstelementfactory.*: API: gst_element_factory_has_interface()

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Original commit message from CVS:
* gst/gstelementfactory.c: (gst_element_factory_has_interface):
* gst/gstelementfactory.h:
API: gst_element_factory_has_interface()
Added method to check if an element factory implements a named
interface.
This commit is contained in:
Wim Taymans 2007-07-25 18:37:12 +00:00
parent d53d6fb8a8
commit 2906fa0f47
3 changed files with 38 additions and 0 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2007-07-25 Wim Taymans <wim.taymans@gmail.com>
* gst/gstelementfactory.c: (gst_element_factory_has_interface):
* gst/gstelementfactory.h:
API: gst_element_factory_has_interface()
Added method to check if an element factory implements a named
interface.
2007-07-25 Stefan Kost <ensonic@users.sf.net>
* configure.ac:

28
gst/gstelementfactory.c
View file

@ -649,3 +649,31 @@ gst_element_factory_get_uri_protocols (GstElementFactory * factory)
return factory->uri_protocols;
}
/**
* gst_element_factory_has_interface:
* @factory: a #GstElementFactory
* @interfacename: an interface name
*
* Check if @factory implements the interface with name @interfacename.
*
* Returns: #TRUE when @factory implement the interface.
*
* Since: 0.10.14
*/
gboolean
gst_element_factory_has_interface (GstElementFactory * factory,
const gchar * interfacename)
{
GList *walk;
g_return_val_if_fail (GST_IS_ELEMENT_FACTORY (factory), FALSE);
for (walk = factory->interfaces; walk; walk = g_list_next (walk)) {
gchar *iname = (gchar *) walk->data;
if (!strcmp (iname, interfacename))
return TRUE;
}
return FALSE;
}

2
gst/gstelementfactory.h
View file

@ -146,6 +146,8 @@ guint gst_element_factory_get_num_pad_templates (GstElementFactory *factory);
G_CONST_RETURN GList * gst_element_factory_get_static_pad_templates (GstElementFactory *factory);
gint gst_element_factory_get_uri_type (GstElementFactory *factory);
gchar ** gst_element_factory_get_uri_protocols (GstElementFactory *factory);
gboolean gst_element_factory_has_interface (GstElementFactory *factory,
const gchar *interfacename);
GstElement* gst_element_factory_create (GstElementFactory *factory,
const gchar *name);