- * @remarks If you want to destroy the media handle before callback invoked, you must cancel the face detection request by using media_info_cancel_face_detection(). \n
- * If face detection fails, the face_count argument in media_face_detection_completed_cb() will be set to 0.
- * Media items in external storage are not supported, with the exception of MMC items.
+ * @remarks If you want to destroy the media handle before the callback invoked, you must cancel the face detection request using media_info_cancel_face_detection(). \n
+ * If the face detection fails, the @a face_count argument in media_face_detection_completed_cb() will be set to 0. \n
+ * The face detection of media items in external storage except MMC is not supported. \n
+ * Since 5.5, if the format of media data is unsupported, this function returns an error and the callback will not be invoked.