[Bug 731350] New: Add gst_queue_array_new variant which takes a GDestroyNotify

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=731350
  GStreamer | gstreamer (core) | unspecified

           Summary: Add gst_queue_array_new variant which takes a
                    GDestroyNotify
    Classification: Platform
           Product: GStreamer
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: evan at coeus-group.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=278065)
 View: https://bugzilla.gnome.org/attachment.cgi?id=278065
 Review: https://bugzilla.gnome.org/review?bug=731350&attachment=278065

queuearray: add gst_queue_array_new_with_free_func

GstQueueArray is currently of limited use because it's not really possible for
it to hold ownership of pointers it contains--if gst_queue_array_free is called
while the queue is not empty the contents are leaked.

I don't know that GstQueueArray can ever really be usable from most GObject
Introspection consumers (see bug #639908), but we could turn it into a pretty
nice generic in Vala if you added something like

  GstQueueArray *
  gst_queue_array_new_with_free_func (guint initial_size,
                                      GDestroyNotify element_free);

The GDestroyNotify can be stored in the GstQueueArray struct (it's private, so
no API/ABI break) and called if necessary in gst_queue_array_free.

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