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Add helper function to set GstObject pointers with proper ref/unref sequence.

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Original commit message from CVS:
Add helper function to set GstObject pointers with proper ref/unref
sequence.
This commit is contained in:
Wim Taymans 2003-01-17 17:44:07 +00:00
parent 1bce047ddc
commit 6f2ff2f81e
2 changed files with 23 additions and 0 deletions
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21
gst/gstobject.c
View file

@ -228,6 +228,27 @@ gst_object_sink (GstObject *object)
}
}
/**
* gst_object_swap:
* @oldobj: pointer to place of old GstObject
* @newobj: new GstObject
*
* Unrefs the object pointer to by oldobj, refs the newobj and
* puts the newobj in *oldobj.
*/
void
gst_object_swap (GstObject **oldobj, GstObject *newobj)
{
if (*oldobj != newobj) {
if (newobj)
gst_object_ref (newobj);
if (*oldobj)
gst_object_unref (*oldobj);
*oldobj = newobj;
}
}
/**
* gst_object_destroy:
* @object: GstObject to destroy

2
gst/gstobject.h
View file

@ -146,6 +146,8 @@ void gst_object_restore_thyself (GstObject *object, xmlNodePtr self);
GstObject * gst_object_ref (GstObject *object);
void gst_object_unref (GstObject *object);
void gst_object_sink (GstObject *object);
void gst_object_swap (GstObject **oldobj, GstObject *newobj);
/* destroying an object */
void gst_object_destroy (GstObject *object);