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elementfactory: Fail if no valid element factory metadata is set

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This commit is contained in:
Sebastian Dröge 2012-09-25 13:09:38 +02:00
parent cfc7661f65
commit 24cad1a91c
2 changed files with 22 additions and 10 deletions
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8
gst/gstelement.c
View file

@ -1283,6 +1283,10 @@ gst_element_class_set_metadata (GstElementClass * klass,
const gchar * description, const gchar * author)
{
g_return_if_fail (GST_IS_ELEMENT_CLASS (klass));
g_return_if_fail (longname != NULL && *longname != '\0');
g_return_if_fail (classification != NULL && *classification != '\0');
g_return_if_fail (description != NULL && *description != '\0');
g_return_if_fail (author != NULL && *author != '\0');
gst_structure_id_set ((GstStructure *) klass->metadata,
GST_QUARK (ELEMENT_METADATA_LONGNAME), G_TYPE_STRING, longname,
@ -1320,6 +1324,10 @@ gst_element_class_set_static_metadata (GstElementClass * klass,
GValue val = G_VALUE_INIT;
g_return_if_fail (GST_IS_ELEMENT_CLASS (klass));
g_return_if_fail (longname != NULL && *longname != '\0');
g_return_if_fail (classification != NULL && *classification != '\0');
g_return_if_fail (description != NULL && *description != '\0');
g_return_if_fail (author != NULL && *author != '\0');
g_value_init (&val, G_TYPE_STRING);

24
gst/gstelementfactory.c
View file

@ -177,6 +177,15 @@ gst_element_factory_cleanup (GstElementFactory * factory)
factory->interfaces = NULL;
}
#define CHECK_METADATA_FIELD(klass, name, key) \
G_STMT_START { \
const gchar *metafield = gst_element_class_get_metadata (klass, key); \
if (G_UNLIKELY (metafield == NULL || *metafield == '\0')) { \
g_warning ("Element factory metadata for '%s' has no valid %s field", name, key); \
goto detailserror; \
} \
} G_STMT_END;
/**
* gst_element_register:
* @plugin: (allow-none): #GstPlugin to register the element with, or NULL for
@ -233,12 +242,11 @@ gst_element_register (GstPlugin * plugin, const gchar * name, guint rank,
/* provide info needed during class structure setup */
g_type_set_qdata (type, __gst_elementclass_factory, factory);
klass = GST_ELEMENT_CLASS (g_type_class_ref (type));
#if 0
/* FIXME */
if ((klass->details.longname == NULL) ||
(klass->details.klass == NULL) || (klass->details.author == NULL))
goto detailserror;
#endif
CHECK_METADATA_FIELD (klass, name, GST_ELEMENT_METADATA_LONGNAME);
CHECK_METADATA_FIELD (klass, name, GST_ELEMENT_METADATA_KLASS);
CHECK_METADATA_FIELD (klass, name, GST_ELEMENT_METADATA_DESCRIPTION);
CHECK_METADATA_FIELD (klass, name, GST_ELEMENT_METADATA_AUTHOR);
factory->type = type;
factory->metadata = gst_structure_copy ((GstStructure *) klass->metadata);
@ -312,15 +320,11 @@ urierror:
return FALSE;
}
#if 0
detailserror:
{
GST_WARNING_OBJECT (factory,
"The GstElementDetails don't seem to have been set properly");
gst_element_factory_cleanup (factory);
return FALSE;
}
#endif
}
/**