The #GstTagMuxClass structure. Subclasses need to override at least one of the two render vfuncs.
the parent class.
create a tag buffer to add to the end of the input stream given a tag list, or NULL
create a tag buffer to add to the beginning of the input stream given a tag list, or NULL
The #GstTagMuxClass structure. Subclasses need to override at least one of the two render vfuncs.