* @stop: Optional.
* Called when the element stops processing.
* Allows closing external resources.
- * @set_sink_caps: allows the subclass to be notified of the actual caps set.
- * @get_sink_caps: allows the subclass to do its own sink get caps if needed.
+ * @set_sink_caps: Optional.
+ * Allows the subclass to be notified of the actual caps set.
+ * @get_sink_caps: Optional.
+ * Allows the subclass to do its own sink get caps if needed.
* @handle_frame: Parses the input data into valid frames as defined by subclass
* which should be passed to gst_base_parse_finish_frame().
* The frame's input buffer is guaranteed writable,
* parent to let the default handler run (Since 1.2)
*
* Subclasses can override any of the available virtual methods or not, as
- * needed. At minimum @check_valid_frame and @parse_frame needs to be
- * overridden.
+ * needed. At minimum @handle_frame needs to be overridden.
*/
struct _GstBaseParseClass {
GstElementClass parent_class;