Recording medium, playback apparatus and method, recording method, and computer-readable program

• US 8,000,580 B2
• Filed: 11/12/2004
• Issued: 08/16/2011
• Est. Priority Date: 11/12/2004
• Status: Active Grant

• Current Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Okada, Tomoyuki, McCrossan, Joseph, Kozuka, Masayuki
• Primary Examiner(s): Pappas; Peter-Anthony
• Assistant Examiner(s): KHAN, ASHER R
• Application Number:
  US10/578,584
• Publication Number:
  US 20070098363A1
• Time in Patent Office: 2,468 Days
• Field of Search: 386/46
• US Class Current: 386/243
• CPC Class Codes: G11B 2220/213 Read-only discs
• CPC Class Codes: G11B 2220/2541 Blu-ray discs; Blue laser DVR discs
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: G11B 27/3027 used signal is digitally coded
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D

Abstract

A BD-ROM stores a video stream and a graphics stream. The video stream represents a moving picture. The graphics stream is used for overlaying one or more menus on the moving picture, and includes interactive control information (ICS) and a plurality of pieces of graphics data (ODSs). The graphics data is used to generate both the menus and an effect for introduction or removal of a menu. The interactive control information includes (i) a reference value (window_id_ref) specifying a window within which each display composition of graphics is rendered for presenting the effect and (ii) information (effect_duration) showing a duration after which a display composition is replaced by a subsequent display composition.

Claims

1. A non-transitory recording medium having recorded thereon a video stream and a graphics stream, wherein:

the video stream represents a moving picture made up of a plurality of pictures;

the graphics stream is used for overlaying a menu on the moving picture, and includes interactive control information and graphics data;

the graphics data is used for generating both the menu and an effect presented for introducing or removing the menu;

the interactive control information includes a plurality of pieces of composition information defining a sequence of display compositions of graphics constituting the effect;

each piece of composition information shows (i) a bounding area on a graphics plane within which a respective display composition is rendered and (ii) a duration after which the display composition is replaced by a subsequent display composition to be rendered within the same bounding area; and

the duration is determined based on a value calculated by dividing the size of the bounding area by a transfer rate of a playback apparatus.

2. The non-transitory recording medium according to claim 1, wherein:

the graphics stream includes one or more pieces of pallet data;

the interactive control information includes a plurality of pieces of page information each defining a page of the menu available for presentation; and

each piece of page information includes a pallet ID uniquely identifying a piece of pallet data to be used for presentation of a respective page.

3. A non-transitory recording medium having recorded thereon a video stream and a graphics stream, wherein:

the video stream represents a moving picture made up of a plurality of pictures;

the graphics stream is used for overlaying a menu on the moving picture, and includes interactive control information and graphics data;

the graphics data is used for generating both the menu and an effect presented for introducing or removing the menu;

the interactive control information includes a plurality of pieces of composition information defining a sequence of display compositions of graphics constituting the effect;

each piece of composition information shows (i) a bounding area on a graphics plane within which a respective display composition is rendered and (ii) a duration after which the display composition is replaced by a subsequent display composition to be rendered within the same bounding area; and

when the effect is an in-effect to be presented preceding the menu, a set of graphics data associated with the in-effect is located in a string of the graphics data before a set of graphics data associated with the menu;

the interactive control information is encapsulated in a packet; and

a timestamp attached to the packet shows a time for starting playback of the in-effect.

4. A method for recording onto a non-transitory recording medium, comprising:

generating application data using an authoring device; and

recording the application data onto the recording medium, wherein;

the application data includes a video stream and a graphics stream;

the graphics stream is used for overlaying a menu on the moving picture, and includes interactive control information and graphics data;

the graphics data is used for generating both the menu and an effect presented for introducing or removing the menu;

the interactive control information includes menu information and time information showing a time period during which the menu is to be presented;

the menu information includes button information and effect information;

the effect information defines the effect for introducing or removing the menu and includes a plurality of pieces of composition information defining a sequence of display compositions of graphics constituting the effect;

each piece of composition information shows (i) a bounding area on a graphics plane within which a respective display composition is rendered and (ii) a duration after which the display composition is replaced by a subsequent display composition to be rendered within the same bounding area, and

the duration is determined based on a value calculated by dividing the size of the boundin area b a transfer rate of a playback apparatus.