func (reg *Registry) Unregister(mimetype string) {
	defer reg.mutex.Unlock()
	reg.mutex.Lock()

	delete(reg.codecs, mimetype)
}
func (reg *Registry) Unregister(mimetype string) {
	defer reg.mutex.Unlock()
	reg.mutex.Lock()

	delete(reg.codecs, mimetype)
}
func ( reg * Registry ) Unregister ( mimetype string ) { defer reg . mutex . Unlock ( ) reg . mutex . Lock ( ) delete ( reg . codecs , mimetype ) }
// Unregister removes the codec for a mimetype from r.
Unregister removes the codec for a mimetype from r .