69 #define GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST(obj, type, cast_t) \

    69 #define GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST(obj, type, cast_t) \

    70   ((cast_t *) gst_implements_interface_cast ((obj), (type)))

    70   ((cast_t *) gst_implements_interface_cast ((obj), (type)))

    71 #define GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE(obj, type) \

    71 #define GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE(obj, type) \

    72   (gst_implements_interface_check ((obj), (type)))

    72   (gst_implements_interface_check ((obj), (type)))

    73 

    73 

    74 GType	 gst_implements_interface_get_type    (void);

    77 GType	 gst_implements_interface_get_type    (void);

    75 

    78 

    76 /* wrapper functions to check for functionality implementation */

    79 /* wrapper functions to check for functionality implementation */

    77 #ifdef __SYMBIAN32__

    80 #ifdef __SYMBIAN32__

    78 IMPORT_C

    81 IMPORT_C