#define __GST_BASE_TRANSFORM_H__
#include <gst/gst.h>
+#include <gst/base/base-prelude.h>
G_BEGIN_DECLS
* 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
* 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)
- *
+ *
* 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
gboolean (*propose_allocation) (GstBaseTransform *trans, GstQuery *decide_query,
GstQuery *query);
- /* transform size */
+ /**
+ * GstBaseTransformClass::transform_size:
+ * @othersize: (out):
+ */
gboolean (*transform_size) (GstBaseTransform *trans,
GstPadDirection direction,
GstCaps *caps, gsize size,
GstCaps *othercaps, gsize *othersize);
+ /**
+ * GstBaseTransformClass::get_unit_size:
+ * @size: (out):
+ */
gboolean (*get_unit_size) (GstBaseTransform *trans, GstCaps *caps,
gsize *size);
gboolean (*sink_event) (GstBaseTransform *trans, GstEvent *event);
gboolean (*src_event) (GstBaseTransform *trans, GstEvent *event);
+ /**
+ * GstBaseTransformClass::prepare_output_buffer:
+ * @outbuf: (out):
+ */
GstFlowReturn (*prepare_output_buffer) (GstBaseTransform * trans,
GstBuffer *input, GstBuffer **outbuf);
GstFlowReturn (*transform_ip) (GstBaseTransform *trans, GstBuffer *buf);
GstFlowReturn (*submit_input_buffer) (GstBaseTransform *trans, gboolean is_discont, GstBuffer *input);
+
+ /**
+ * GstBaseTransformClass::generate_output:
+ * @outbuf: (out):
+ */
GstFlowReturn (*generate_output) (GstBaseTransform *trans, GstBuffer **outbuf);
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE - 2];
};
+GST_BASE_API
GType gst_base_transform_get_type (void);
+GST_BASE_API
void gst_base_transform_set_passthrough (GstBaseTransform *trans,
gboolean passthrough);
+GST_BASE_API
gboolean gst_base_transform_is_passthrough (GstBaseTransform *trans);
+GST_BASE_API
void gst_base_transform_set_in_place (GstBaseTransform *trans,
gboolean in_place);
+GST_BASE_API
gboolean gst_base_transform_is_in_place (GstBaseTransform *trans);
+GST_BASE_API
void gst_base_transform_update_qos (GstBaseTransform *trans,
gdouble proportion,
GstClockTimeDiff diff,
GstClockTime timestamp);
+GST_BASE_API
void gst_base_transform_set_qos_enabled (GstBaseTransform *trans,
gboolean enabled);
+GST_BASE_API
gboolean gst_base_transform_is_qos_enabled (GstBaseTransform *trans);
+GST_BASE_API
void gst_base_transform_set_gap_aware (GstBaseTransform *trans,
gboolean gap_aware);
-
+GST_BASE_API
void gst_base_transform_set_prefer_passthrough (GstBaseTransform *trans,
gboolean prefer_passthrough);
-
+GST_BASE_API
GstBufferPool * gst_base_transform_get_buffer_pool (GstBaseTransform *trans);
+
+GST_BASE_API
void gst_base_transform_get_allocator (GstBaseTransform *trans,
GstAllocator **allocator,
GstAllocationParams *params);
-
+GST_BASE_API
void gst_base_transform_reconfigure_sink (GstBaseTransform *trans);
+
+GST_BASE_API
void gst_base_transform_reconfigure_src (GstBaseTransform *trans);
+
+GST_BASE_API
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__ */