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Reproduction device, program, and reproduction method

A technology for reproducing devices and programs, applied in the directions of digital recording/reproduction, instruments, data recording, etc., can solve problems such as loopholes, lack of confidence in implementation, and poor application level.

Inactive Publication Date: 2006-11-22
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the application is poor and more or less buggy
Device black out due to potential errors, which may be "often" in the field of personal computer software, but cannot but be said to be a quality problem in the field of civilian equipment
Due to possible quality problems, each manufacturing company has no confidence in the realization of a reproduction device that simultaneously executes the progress of the application program and the reproduction of the digital stream (Note: The so-called interruption refers to the software interruption (freeze) of the device and the display screen becomes completely dark. state)

Method used

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  • Reproduction device, program, and reproduction method
  • Reproduction device, program, and reproduction method
  • Reproduction device, program, and reproduction method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0094] Next, an embodiment of the playback device of the present invention will be described. First, in the embodiment of the playback device of the present invention, an action mode is used. figure 1 indicates the usage behavior of the playback device of the present invention. figure 1 Among them, the reproduction device of the present invention is the reproduction device 200 , which forms a home theater system together with the television 300 and the remote controller 400 .

[0095] This BD-ROM 100 is used to supply video content to a home theater system formed by the playback device 200 , the remote controller 300 , and the television 400 .

[0096] The above is the description of the mode of use of the playback device of the present invention.

[0097] Next, a recording medium BD-ROM to be played back by the playback device of the present invention will be described. With the BD-ROM, the disc content supplied to the home theater system consists of a plurality of titles ...

no. 2 approach

[0232] In the first embodiment, the life span of the application coincides with the title time axis, but in the second embodiment, a part of the PL time axis is proposed as the life span of the application. Since a part of the PL time axis is represented by chapters, by describing the start point and end point by chapters, it is possible to specify the life span of the application. Figure 25 (a) is a diagram showing an application management table defining life spans on the PL time axis. Figure 25 In (a), three application programs are described in the application program management table, among which application#2 specifies Chapter#2 to Chapter#3 of title#1 as the survival interval, and specifies AutoRun in the startup attribute. Therefore, application#2 such as Figure 25 As shown in (b), it starts at the beginning of Chapter#2 and terminates at the end of Chapter#3.

[0233] On the other hand, application#3 specifies Chapter#4 to Chapter#6 of title#1 as the survival int...

no. 3 approach

[0241] The disc content provided by the BD-ROM is composed of a plurality of titles that can branch from each other. In addition to each title consisting of one or more PLs and a control procedure using the PL, there are non-AV titles consisting only of a control procedure for the playback device. This embodiment describes the non-AV title.

[0242] For such non-AV titles, the problem is how to determine the title time axis. Figure 26(a) shows the title time axis determined from the PL time axis. In this case, the PL time axis is the title time axis, and the life span of the application is determined on the title time axis. In the absence of a PL timeline as a base for this, the title timeline should be as Figure 26 (b), (c) to decide.

[0243] Figure 26 (b) shows the title time axis determined from the life span of the main application. The main application is the only application whose startup attribute is set to AutoRun in the title and is automatically started whe...

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PUM

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Abstract

A BD-ROM reproduction device simultaneously executes reproduction of a title and executes an application. The BD-ROM reproduction device includes a Playback Control Engine (32) for reproducing an AV Clip belonging to one title, and a module manager (34) controlling branching between a plurality of titles, and a BD-J module (35) for executing at least one application. The BD-J module (35) includes a Java virtual machine (38) and an application manager (36). The application manager (36) interprets that the title execution is complete and performs an end process [1] when no application is started or [2] when the main application has terminated. After execution of the end process, the module manager (34) selects the next title such as a top menu title.

Description

technical field [0001] The present invention belongs to the technical field of reproduction control technology that simultaneously executes the reproduction of digitized video works and the execution of application programs. This reproduction control technology further relates to the application technology when it is applied to civilian reproduction devices and programs. . Background technique [0002] The video business takes the form of a media package that sells digitized video works and game applications in one package. If this game application uses characters appearing in the game as characters and executes it simultaneously with a part of the digitized video work, the popularity of the video work will further increase due to the composite effect of both video reproduction and game execution. [0003] However, the application is poor and more or less buggy. Devices black out due to potential errors, which may be "often" in the field of personal computer software, but ...

Claims

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Application Information

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IPC IPC(8): G11B20/10G11B20/12G11B27/00G11B27/10
CPCG11B20/10G11B27/105G11B27/329G11B2220/2541
Inventor 池田航岩本启明冈田智之
Owner PANASONIC CORP