Video data reproduction apparatus, method for operating same and non-transitory recording medium
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Abstract
A video disk player includes (i) a disk reading section for reading out video data, a program, synchronization timing information from an optical disk; (ii) a clock for generating a clock signal; (iii) a decoder for converting, in accordance with the clock signal, the video data into decompressed video data for reproduction output; (iv) a video reproducing section including a synchronization control section for transmitting, in accordance with the clock signal, a synchronization control signal to the program executing section at a timing specified by a field timing contained in the synchronization timing information, and (v) a program executing section for executing a program in accordance with the synchronization control signal received from the synchronization control section. This makes it possible to efficiently execute the program in synchronization with reproduction of AV data or the like.
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Citations
45 Claims
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1-41. -41. (canceled)
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42. A reproducing apparatus, comprising:
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a data acquiring section for acquiring (i) video data, (ii) a play list indicating an order in which the video data is reproduced, (iii) a program to be executed in synchronization with reproduction of the video data, and (iv) program management information for controlling execution of the program; a decoding section for decoding the video data; and a program executing section for executing the program, the program management information including (i) program specifying information specifying the program and (ii) play list identifying information specifying the play list, and the reproducing apparatus (i) instructing the program executing section to execute the program specified by the program specifying information included in the program management information which is acquired by the data acquiring section, and (ii) instructing the decoding section to start decoding the video data in the order indicated by the play list specified by the play list specifying information included in the program management information. - View Dependent Claims (44)
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43. A method for reproducing video data on a reproducing apparatus including:
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a decoding section for decoding the video data; and a program executing section for executing a program, the method comprising the steps of; (A) acquiring (i) video data, (ii) a play list indicating an order in which the video data is reproduced, (iii) a program to be executed in synchronization with the reproduction of the video data, and (iv) program management information which is for controlling execution of the program and includes (a) program specifying information for specifying the program and (b) play list specifying information for specifying the play list; and (B) (i) instructing the program executing section to execute the program specified by the program specifying information included in the program management information which is acquired in step (A), and (ii) instructing the decoding section to start decoding the video data in the order indicated by the play list specified by the play list specifying information included in the program management information.
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45. A non-transitory computer-readable recording medium on which a control program for causing a computer to operate as a reproducing apparatus including a decoding section for decoding video data and a program executing section for executing a program are stored, the control program causing the computer to execute the steps of:
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(A) acquiring (i) video data, (ii) a play list indicating an order in which the video data is reproduced, (iii) a program to be executed in synchronization with reproduction of the video data, and (iv) program management information which is for controlling execution of the program and includes (a) program specifying information for specifying the program and (b) play list specifying information for specifying the play list; and (B) (i) instructing the program executing section to execute the program specified by the program specifying information included in the program management information which is acquired in step (A), and (ii) instructing the decoding section to start decoding the video data in the order indicated by the play list specified by the play list specifying information included in the program management information.
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Specification