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miniobject: add gst_clear_mini_object()

Browse source 
This is based on g_clear_object(). Basically, you can use this instead
of using gst_mini_object_unref (which needs to be preceded by a NULL-check).

Also fixes #275
This commit is contained in:
Niels De Graef 2018-11-03 20:00:57 +01:00 committed by Sebastian Dröge
parent c5793f82d3
commit 7e69305657
2 changed files with 28 additions and 0 deletions
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24
gst/gstminiobject.c
View file

@ -668,6 +668,30 @@ gst_mini_object_unref (GstMiniObject * mini_object)
}
}
/**
* gst_clear_mini_object: (skip)
* @object_ptr: a pointer to a #GstMiniObject reference
*
* Clears a reference to a #GstMiniObject.
*
* @object_ptr must not be %NULL.
*
* If the reference is %NULL then this function does nothing.
* Otherwise, the reference count of the object is decreased using
* gst_mini_object_unref() and the pointer is set to %NULL.
*
* A macro is also included that allows this function to be used without
* pointer casts.
*
* Since: 1.16
**/
#undef gst_clear_mini_object
void
gst_clear_mini_object (volatile GstMiniObject ** object_ptr)
{
g_clear_pointer (object_ptr, gst_mini_object_unref);
}
/**
* gst_mini_object_replace:
* @olddata: (inout) (transfer full) (nullable): pointer to a pointer to a

4
gst/gstminiobject.h
View file

@ -234,6 +234,10 @@ GstMiniObject * gst_mini_object_ref (GstMiniObject *mini_object);
GST_API
void gst_mini_object_unref (GstMiniObject *mini_object);
GST_API
void gst_clear_mini_object (volatile GstMiniObject **object_ptr);
#define gst_clear_mini_object(object_ptr) g_clear_pointer ((object_ptr), gst_mini_object_unref)
GST_API
void gst_mini_object_weak_ref (GstMiniObject *object,
GstMiniObjectNotify notify,