[gstreamer-bugs] [Bug 339767] An example of subclassing GstBaseTransform

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-python | Ver: HEAD CVS


Edward Hervey changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bilboed at bilboed.com
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1




------- Comment #2 from Edward Hervey  2006-04-28 17:38 UTC -------
After looking deeper, and with the following commits, gst-python is now doing
the proper refcounting. The problem is in fact in the C GstBaseTransform class.
You just showed a case where the refcounting is too big for ::transform_ip()
when you don't implement the prepare_output_buffer() virtual method.

2006-04-28  Edward Hervey  <edward at fluendo.com>

        * gst/arg-types.py:
        Caps used as arguments of virtual methods should keep their initial
        refcount when calling the python methods.
        This is similar to the patch done for GstMiniObjects.
        * gst/gstbase.override:
        Adjust the gst.BaseTransform.get_unit_size() virtual method for above
        fix.

2006-04-28  Edward Hervey  <edward at fluendo.com>

        * gst/arg-types.py:
        GstMiniObject used as virtual methods parameters should be unreffed
        before calling the method and the ref-ed.
        Added Params and Returns for const-gchar*, GType and gulong so the
        code generator can generate more virtual methods handlers/proxys.
        * gst/gst-types.defs:
        * gst/gst.defs:
        * gst/interfaces.defs:
        Added vtable and virtual method definition for interfaces so we can
properly use virtual
        methods from those interfaces in python.


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