typedef enum _ERASE_TYPE {
  ERASE_TYPE_BLANK_DISC_FULL = 0,
  ERASE_TYPE_BLANK_DISC_FAST,
  ERASE_TYPE_BLANK_TRACK,
  ERASE_TYPE_UNRESERVE_TRACK,
  ERASE_TYPE_BLANK_TRACK_TAIL,
  ERASE_TYPE_UNCLOSE_LAST_SESSION,
  ERASE_TYPE_BLANK_SESSION
} * PERASE_TYPE, ERASE_TYPE;