buffer: add owner private as intermediate solutionminiobject2

Add an owner private field where the owner of a buffer can store some extra
information. We can use this to implement most of the subclassing that happens
now. Later this will be removed and replaced by arbitrary buffer metadata.

1 files changed, 2 insertions, 0 deletions

diff --git a/gst/gstbuffer.h b/gst/gstbuffer.h
index 4ad4c9e69..61b127352 100644
--- a/gst/gstbuffer.h
+++ b/gst/gstbuffer.h
@@ -285,6 +285,8 @@ struct _GstBuffer {
   GFreeFunc              free_func;
   GstBuffer             *parent;
 
+  gpointer               owner_priv;
+
   /*< private >*/
   gpointer _gst_reserved[GST_PADDING];
 };