BACKUP OF A DVD CONTENT PROGRAM THAT INCLUDES 4 STATES OF CONTROL OF THE PLAYBACK DEVICE, AND SCRIPT SCREEN OF CONTROL (SCRIPT).

摘要

Apparatus for reproducing content data recorded on a recording medium, comprising: reading means (102, 112, 114) for reading data from a recording medium having recorded content on the same content data including at least one of a video stream and an audio stream and a playback control program (500) to control the reproduction of the content data; reproductive means (300) for reproducing the content data in accordance with the playback control program; and control command output means (301) for supplying the reproductive means with a control order (311) corresponding to a drive (310) of the user, in which the reproducing means (300) control the reproduction of the data of content based on four states defined by combinations of two states classified according to whether or not the content data is reproduced and two states classified according to whether the reproductive means accept or ignore the control order of the order output means of control (301), where when the reproductive means are in the state in which the reproductive means ignores the control order, the user drive is supplied through the reproduction control program, and where any state transition between the four states of the reproductive media is caused by the reproduction control program and is not caused by the control order; said reproduction apparatus further comprising: first storage means (323) for storing reproduction status information indicating a state of the content data during playback by the reproducing means; and a second storage means (324) for storing a backup copy of the reproduction status information stored in the first storage means, characterized in that a backup copy is stored, in the second storage means (324), of the playback status information stored in the first storage media (323), and the playback status information whose backup has been saved in the second storage media (324) is restored to the first storage media (323) ) together with the transition of states between the four states of the reproductive media.