Retrieve the Gst.Structure backing a custom meta, the structure's mutability
is conditioned to the writability of the Gst.Buffer meta is attached to.
the Gst.Structure backing meta
Checks whether the name of the custom meta is name
Whether name is the name of the custom meta
Extra custom metadata. The
structurefield is the same as returned bygst_custom_meta_get_structure().Since 1.24 it can be serialized using
gst_meta_serialize()andgst_meta_deserialize(), but only if the Gst.Structure does not contain any fields that cannot be serialized, see Gst.SerializeFlags.STRICT.Since
1.20