Patent ID: 8368813
Filing Date: 2013-02-05
Classification: H04N

Abstract:
1. A generating device comprising: subtitle encode means configured to generate, of a stream including moving picture data relating to a moving picture, and subtitle data relating to a subtitle displayed over the whole display section of said moving picture, said subtitle data by encoding the image data of said subtitle; and determining means configured to determine whether or not reproduction of said subtitle is in time for display of said subtitle based on the size of the encoded data obtained by encoding the image data of said subtitle; wherein, with a section where display of said subtitle is constant as the display units of said subtitle, said subtitle data is classified into a display set which is said subtitle data in said display units; and wherein, in a case where the time between display start time when display of a subtitle to be displayed immediately before the subtitle of a display set of interest which is a display set to which attention is paid, and said display start time of the subtitle of said display set of interest is taken as available time which can be employed for reproduction of said display set of interest, and also the time used for reproduction of said display set of interest is taken as processing time, said determining means obtain processing time regarding said display set of interest from the size of the encoded data of said display set of interest in accordance with size-time relationship which is relationship obtained beforehand between the size of said encoded data and said processing time, and determine that reproduction of the subtitle of said display set of interest is not in time for display of the subtitle thereof when the available time regarding said display set of interest is below the processing time regarding said display set of interest, to output error information representing an error.