[Bug 763142] API: add async property change notification - gst_element_add_property_notify_watch()

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=763142

Tim-Philipp Müller <t.i.m at zen.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #323156|reviewed                    |none
             status|                            |
 Attachment #323156|0                           |1
        is obsolete|                            |

--- Comment #5 from Tim-Philipp Müller <t.i.m at zen.co.uk> ---
Created attachment 324791
  --> https://bugzilla.gnome.org/attachment.cgi?id=324791&action=edit
element: add API to get property change notifications via messages [v2]

v2:
 - added gtk-doc blurb for gst_message_parse_property_notify()

 - added GstObject ** out argument to gst_message_parse_property_notify()
   (should this be a GObject instead?)

 - fix property name leak in parse_property_name()

 - add unit test

-----
    Be notified in the application thread via bus messages about
    notify::* and deep-notify::* property changes, instead of
    having to deal with it in a non-application thread.

    API: gst_element_add_property_notify_watch()
    API: gst_element_add_property_deep_notify_watch()
    API: gst_element_remove_property_notify_watch()
    API: gst_message_new_property_notify()
    API: gst_message_parse_property_notify()
    API: GST_MESSAGE_PROPERTY_NOTIFY

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