Recording medium having data structure for managing reproduction of multiple reproduction path video data recorded thereon and recording and reproducing methods and apparatuses
First Claim
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1. A recording medium comprising:
- a data area storing video data having multiple reproduction paths;
a playlist area storing a playlist file including at least one playitem, the playitem identifying a playing interval in a clip of the video data, the playitem including a pair of IN-point information and OUT-point information that point to positions on a time axis of the clip; and
a navigation area storing a navigation file including navigation management information to manage the multiple reproduction paths of the video data, the navigation management information indicating the playlist file, the navigation information file being separate from the playlist file.
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Abstract
The recording medium includes a navigation area and at least one playlist area. The navigation area stores navigation management information for managing the reproduction of at least multiple reproduction path video data from the recording medium. At least one playlist is stored in a playlist area. Each playlist identifies at least one playitem, and each playitem identifies at least one clip of video data.
222 Citations
32 Claims
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1. A recording medium comprising:
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a data area storing video data having multiple reproduction paths; a playlist area storing a playlist file including at least one playitem, the playitem identifying a playing interval in a clip of the video data, the playitem including a pair of IN-point information and OUT-point information that point to positions on a time axis of the clip; and a navigation area storing a navigation file including navigation management information to manage the multiple reproduction paths of the video data, the navigation management information indicating the playlist file, the navigation information file being separate from the playlist file. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 32)
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12. A method of recording data on a recording medium, the method comprising:
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recording video data having multiple reproduction paths in the recording medium; recording a playlist file including at least one playitem in the recording medium, the playitem identifying a playing interval in a clip of the video data, the playitem including a pair of IN-point information and OUT-point information that point to positions on a time axis of the clip; and recording a navigation information file including navigation management information to manage the multiple reproduction paths of the video data in the recording medium, the navigation management information indicating the playlist file, the navigation information file being separate from the playlist file. - View Dependent Claims (16, 17, 18, 19)
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13. A method of reproducing data recorded on a recording medium, the method comprising:
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reading a navigation information file including navigation management information to manage the multiple reproduction paths of video data having multiple reduction paths from the recording medium, the navigation management information indicating a playlist file; reading the playlist file from the recording medium, the playlist file including at least one playitem, the playitem identifying a playing interval in a clip of the video data, the playitem including a pair of IN-point information and OUT-point information that point to positions on a time axis of the clip, the navigation information file being separate from the playlist file; and reproducing the video data from the recording medium based on the playlist file. - View Dependent Claims (20, 21, 22, 23)
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14. An apparatus for recording data on a recording medium, the apparatus comprising:
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a recording unit configured to record data on the recording medium; and a controller, operably coupled to the recording unit to control the recording unit to record video data having multiple reproduction paths in the recording medium to control the recording unit to record a playlist file in the recording medium, the playlist file including at least one playitem, the playitem identifying a playing interval in a clip of video data, the playitem including a pair of IN-point information and OUT-point information that point to positions on a time axis of the clip, and the controller configured to control the recording unit to record a navigation information file including navigation management information to manage the multiple reproduction paths of the video data in the recording medium, the navigation management information indicating the playlist file, the navigation information file being separate from the playlist file. - View Dependent Claims (24, 25, 26, 27)
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15. An apparatus for reproducing data recorded on a recording medium, the apparatus comprising:
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a reproducing unit configured to reproduce data recorded on the recording medium; and a controller, operably coupled to the reproducing unit to control the reproducing unit to read a navigation information file including navigation management information to manage multiple reproduction paths of video data from the recording medium, the navigation management information indicating a playlist file including at least one playitem, the controller configured to control the reproducing unit to read the playlist file from the recording medium, the playitem identifying a playing interval in a clip of video data, the playitem including a pair of IN-point information and OUT-point information that point to positions on a time axis of the clip, the navigation information file being separate from the playlist file, and the controller configured to control the reproducing unit to read the video data from the recording medium. - View Dependent Claims (28, 29, 30, 31)
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Specification