Data processing apparatus, data processing method, program,...

G - Physics – 11 – B

Patent

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G11B 27/10 (2006.01)

Patent

CA 2588198

In a data reproduction device, it is possible to reproduce stream data according to a time stamp even without using a particular clock for counting. In step (S141), it is judged whether a received access unit has a time stamp. When the access unit has a time stamp, step (S142) sets the value of the time stamp (PTS). When the access unit has no time stamp, step (S144) ads the value decided by the previous pic_struct to the current time. After this, in step (S143), the pic_struct of this time is stored for the next processing. The present invention may be applied to a game device using a DVD, for example.

La présente invention concerne un dispositif de reproduction de données dans lequel il est possible de reproduire des données en continu en fonction d~une estampille temporelle, et ce même sans utiliser d~horloge particulière pour le comptage. A l~étape (S141), on évalue si une unité d~accès reçue a une estampille temporelle. Lorsque l~unité d~accès a une estampille temporelle, l~étape (S142) fixe la valeur de l~estampille temporelle (PTS). Lorsque l~unité d~accès n~a pas d~estampille temporelle, l~étape (S144) ajoute la valeur décidée par la structure pic_struct précédente à l~heure actuelle. Après cela, à l~étape (S143), la structure pic_struct à l~heure en question est mémorisée en vue d'un traitement ultérieur. La présente invention peut être appliquée à un dispositif de jeu utilisant un DVD, par exemple.

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