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gst/gstchildproxy.c: Improve docs and add some ideas for making this more general-purpose.

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Original commit message from CVS:
* gst/gstchildproxy.c:
Improve docs and add some ideas for making this more general-purpose.
This commit is contained in:
Stefan Kost 2008-01-10 21:06:58 +00:00
parent e1e8bace45
commit 2016723b87
2 changed files with 19 additions and 5 deletions
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@ -1,3 +1,8 @@
2008-01-10 Stefan Kost <ensonic@users.sf.net>
* gst/gstchildproxy.c:
Improve docs and add some ideas for making this more general-purpose.
2008-01-10 Tim-Philipp Müller <tim at centricular dot net>
* gst/gst_private.h: (GST_CAT_TYPES):

19
gst/gstchildproxy.c
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@ -24,17 +24,26 @@
* @short_description: Interface for multi child elements.
* @see_also: #GstBin
*
* This interface abstracts handling of property sets for child elements.
* Imagine elements such as mixers or polyphonic generators. They all have
* multiple #GstPad or some kind of voice objects. The element acts as a
* parent for those child objects. Each child has the same properties.
* This interface abstracts handling of property sets for elements with
* children. Imagine elements such as mixers or polyphonic generators. They all
* have multiple #GstPad or some kind of voice objects. Another use case are
* container elements like #GstBin.
* The element implementing the interface acts as a parent for those child
* objects.
*
* By implementing this interface the child properties can be accessed from the
* parent element by using gst_child_proxy_get() and gst_child_proxy_set().
*
* Property names are written as "child-name::property-name". The whole naming
* scheme is recursive. Thus "child1::child2::property" is valid too, if
* "child1" also implements the #GstChildProxy interface.
* "child1" and "child2" implement the #GstChildProxy interface.
*/
/* FIXME-0.11:
* it would be nice to make gst_child_proxy_get_child_by_name virtual too and
* use GObject instead of GstObject. We could eventually provide the current
* implementation as a default if children are GstObjects.
* This change would allow to propose the interface for inclusion with
* glib/gobject. IMHO this is useful for GtkContainer and compound widgets too.
*/
#include "gst_private.h"