* The default implementation will copy the flags, timestamps and
* offsets of the buffer.
* @transform_meta: Optional. Transform the metadata on the input buffer to the
- * output buffer. By default this method is %NULL and no
- * metadata is copied. subclasses can implement this method and
- * return %TRUE if the metadata is to be copied.
+ * output buffer. By default this method copies all meta without
+ * tags. subclasses can implement this method and return %TRUE if
+ * the metadata is to be copied.
* @before_transform: Optional.
* This method is called right before the base class will
* start processing. Dynamic properties or other delayed
* member variable. If the buffer is dropped due to QoS, it returns
* GST_BASE_TRANSFORM_FLOW_DROPPED. If this input buffer is not
* contiguous with any previous input buffer, then @is_discont
- * is set to #TRUE. (Since: 1.6)
+ * is set to %TRUE. (Since 1.6)
* @generate_output: Called after each new input buffer is submitted repeatedly
* until it either generates an error or fails to generate an output
* buffer. The default implementation takes the contents of the
* calls either @transform or @transform_ip. Elements that don't
* do 1-to-1 transformations on input to output buffers can either
* return GST_BASE_TRANSFORM_FLOW_DROPPED or simply not generate
- * an output buffer until they are ready to do so. (Since: 1.6)
- *
+ * an output buffer until they are ready to do so. (Since 1.6)
+ *
* Subclasses can override any of the available virtual methods or not, as
* needed. At minimum either @transform or @transform_ip need to be overridden.
* If the element can overwrite the input data with the results (data is of the
gpointer _gst_reserved[GST_PADDING_LARGE - 2];
};
+GST_EXPORT
GType gst_base_transform_get_type (void);
+GST_EXPORT
void gst_base_transform_set_passthrough (GstBaseTransform *trans,
gboolean passthrough);
+GST_EXPORT
gboolean gst_base_transform_is_passthrough (GstBaseTransform *trans);
+GST_EXPORT
void gst_base_transform_set_in_place (GstBaseTransform *trans,
gboolean in_place);
+GST_EXPORT
gboolean gst_base_transform_is_in_place (GstBaseTransform *trans);
+GST_EXPORT
void gst_base_transform_update_qos (GstBaseTransform *trans,
gdouble proportion,
GstClockTimeDiff diff,
GstClockTime timestamp);
+GST_EXPORT
void gst_base_transform_set_qos_enabled (GstBaseTransform *trans,
gboolean enabled);
+GST_EXPORT
gboolean gst_base_transform_is_qos_enabled (GstBaseTransform *trans);
+GST_EXPORT
void gst_base_transform_set_gap_aware (GstBaseTransform *trans,
gboolean gap_aware);
-
+GST_EXPORT
void gst_base_transform_set_prefer_passthrough (GstBaseTransform *trans,
gboolean prefer_passthrough);
-
+GST_EXPORT
GstBufferPool * gst_base_transform_get_buffer_pool (GstBaseTransform *trans);
+
+GST_EXPORT
void gst_base_transform_get_allocator (GstBaseTransform *trans,
GstAllocator **allocator,
GstAllocationParams *params);
-
+GST_EXPORT
void gst_base_transform_reconfigure_sink (GstBaseTransform *trans);
+
+GST_EXPORT
void gst_base_transform_reconfigure_src (GstBaseTransform *trans);
+
+GST_EXPORT
gboolean gst_base_transform_update_src_caps (GstBaseTransform *trans,
GstCaps *updated_caps);
+
+#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstBaseTransform, gst_object_unref)
+#endif
+
G_END_DECLS
#endif /* __GST_BASE_TRANSFORM_H__ */