Fans of discs are likely to keep a lot of DVDs or Blu-rays as personal collections. However, discs could be difficult to preserve for it could wear away with the time. Hence, it is crucial to extract the files inside the discs to forever keep them playable at other devices., , , , Unfortunately, it is not an easy task. Most discs, both homemade and commercial ones, adopt protective measures, including APS, CSS, ARccOS, CPRM, AACS, BD+, and Cinavia, to prevent data leakage for copyright protect.