CustomMetaTransformFunction

Description:

[ CCode ( instance_pos = 5.9 ) ]
[ Version ( since = "1.20" ) ]
public delegate bool CustomMetaTransformFunction (Buffer transbuf, CustomMeta meta, Buffer buffer, Quark type, void* data)

Function called for each meta in buffer as a result of performing a transformation on transbuf.

Additional type specific transform data is passed to the function as data.

Implementations should check the type of the transform and parse additional type specific fields in data that should be used to update the metadata on transbuf.

Parameters:

transbuf	a Buffer
meta	a CustomMeta
buffer	a Buffer
type	the transform type
data	transform specific data.
user_data	user data passed when registering the meta

Returns:

true if the transform could be performed

Namespace: Gst

Package: gstreamer-1.0