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US 7,606,463 B2Granted
Recording medium having data structure for managing playback control and recording and reproducing methods and apparatuses
AssigneeLG Electronics Inc.
InventorsKang Soo Seo, Byung Jin Kim
Life of this patent
Estimating the term…
Abstract
The data structure on the recording medium includes a navigation area storing an information file. The information file includes a plurality of navigation segments representing one or more reproduction paths of a title. Each of the navigation segments includes at least one navigation command, and a number of the navigation segments each include a navigation command for launching a playlist. One of the navigation segments is an entry navigation segment of the title.
Claims14
A recording medium having a data structure for managing playback control of video data having multiple reproduction paths, comprising:
- a data area storing a stream file including the video data;
- a playlist area storing a first playlist file and a second playlist file including at least one playitem identifying a playing interval in a clip of the video data respectively, the first and second playlist files identifying video data of different reproduction paths from each other, and the playing interval including an IN-point and OUT-point indicating positions of the clip;
- and
- a navigation area storing a navigation file including first and second navigation segments, the first navigation segment and the second navigation segment including a first navigation command and a second navigation command launching the first playlist file and the second playlist file respectively such that the first navigation segment and the second navigation segment represent different reproduction paths of a title of the video data, where the stream file, the first and second playlist files, and the navigation file are separate from each other.
1 more element
A method of recording a data structure for managing playback control of video data having multiple reproduction paths on a recording medium, comprising:
- recording a stream file including the video data in a data area of the recording medium;
- recording a first playlist file and a second playlist file including at least one playitem identifying a playing interval in a clip of the video data respectively in a playlist area of the recording medium, the first and second playlist files identifying video data having different reproduction paths from each other, and the playing interval including an IN-point and OUT-point indicating positions of the clip;
- and
- recording a navigation file including a first and second navigation segments in a navigation area of the recording medium, the first navigation segment and the second navigation segment including a first navigation command and a second navigation command launching the first playlist file and the second playlist file respectively such that the first navigation segment and the second navigation segment represent different reproduction paths of a title of the video data, where the stream file, the first and second playlist files, and the navigation file are separate from each other.
1 more element
A method of reproducing a data structure for managing playback control of video data having multiple reproduction paths recorded in a recording medium, comprising:
- reproducing a stream file of the video data from a data area of the recording medium;
- reproducing a first playlist file and a second playlist file including at least one playitem identifying a playing interval in a clip of the video data respectively from a playlist area of the recording medium, the first and second playlist files identifying video data having different reproduction paths from each other, and the playing interval including an IN-point and OUT-point indicating positions of the clip;
- and
- reproducing a navigation file including a first and a second navigation segments from a navigation area of the recording medium, the first navigation segment and the second navigation segment including a first navigation command and a second navigation command launching the first playlist file and the second playlist file respectively such that the first navigation segment and the second navigation segment represent different reproduction paths of a title of the video data, where the stream file, the first and second playlist files, and the navigation file are separate from each other.
1 more element
An apparatus for recording a data structure for managing playback control of video data having multiple reproduction paths on a recording medium, comprising:
- a pickup configured to record a stream file of the video data in a data area of the recording medium;
- and
- a controller configured to control the pickup to record a first playlist file and a second playlist file including at least one playitem identifying a playing interval in a clip of the video data respectively in a playlist area of the recording medium, the first and second playlist files identifying video data having different reproduction paths from each other, and the playing interval including an IN-point and OUT-point indicating positions of the clip, and to record a navigation file including a first and a second navigation segments in a navigation area of the recording medium, the first navigation segment and the second navigation segment including a first navigation command and a second navigation command launching the first playlist file and the second playlist file respectively such that the first navigation segment and the second navigation segment represent different reproduction paths of a title of the video data, where the stream file, the first and second playlist files, and the navigation file are separate from each other.
An apparatus for reproducing a data structure for managing playback control of video data having multiple reproduction paths recorded in a recording medium, comprising:
- a pickup configured to reproduce a stream file of the video data from a data area of the recording medium;
- and
- a controller configured to control the pickup to reproduce a first playlist file and a second playlist file including at least one playitem identifying a playing interval in a clip of the video data respectively from a playlist area of the recording medium, the first and second playlist files identifying video data having different reproduction paths from each other, and the playing interval including an IN-point and OUT-point indicating positions of the clip, and to reproduce a navigation file including first and second navigation segments from a navigation area of the recording medium, the first navigation segment and the second navigation segment including a first navigation command and a second navigation command launching the first playlist file and the second playlist file respectively such that the first navigation segment and the second navigation segment represent different reproduction paths of a title of the video data, where the stream file, the first and second playlist files, and the navigation file are separate from each other.
Dependencies are inferred from the claim text.