Sets the given merge mode that is used for adding tags from events to tags specified by this interface. The default is #GST_TAG_MERGE_KEEP, which keeps the tags set with this interface and discards tags from events.
The mode with which tags are added
See Implementation
Sets the given merge mode that is used for adding tags from events to tags specified by this interface. The default is #GST_TAG_MERGE_KEEP, which keeps the tags set with this interface and discards tags from events.