Recording medium having data structure for managing reproduction of at least video data recorded thereon and recording and reproducing methods and apparatuses
First Claim
Patent Images
1. An optical disk comprising:
- first and stream files, the first stream file including first video data corresponding to a first reproduction path, the second stream file including second video data corresponding to a second reproduction path;
first and second clip information files, the first clip information file including a first entry point map mapping presentation time stamps to source packet addresses of the first video data, the second clip information file including a second entry point map mapping presentation time stamps to source packet addresses of the second video data;
first and second playlist files, the first playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation time stamps in a clip of the first video data, the second playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation time stamps in a clip of the second video data; and
at least one navigation file including first and second path items, the first path item including a first navigation command for launching the first playlist file, the second path item including a second navigation command for launching the second playlist file,wherein the first and second stream files, the first and second clip information files, the first and second playlist files and the navigation file are separate files from each other.
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Abstract
The recording medium has a navigation area storing at least one navigation file. The navigation file includes navigation commands for managing reproduction of at least video data forming different parental control reproduction paths.
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Citations
23 Claims
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1. An optical disk comprising:
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first and stream files, the first stream file including first video data corresponding to a first reproduction path, the second stream file including second video data corresponding to a second reproduction path; first and second clip information files, the first clip information file including a first entry point map mapping presentation time stamps to source packet addresses of the first video data, the second clip information file including a second entry point map mapping presentation time stamps to source packet addresses of the second video data; first and second playlist files, the first playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation time stamps in a clip of the first video data, the second playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation time stamps in a clip of the second video data; and at least one navigation file including first and second path items, the first path item including a first navigation command for launching the first playlist file, the second path item including a second navigation command for launching the second playlist file, wherein the first and second stream files, the first and second clip information files, the first and second playlist files and the navigation file are separate files from each other. - View Dependent Claims (2, 3, 4, 19)
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5. A method of recording a data structure for managing reproduction of video data on an optical disk, the method comprising:
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recording first and second stream files on the optical disk, the first stream file including first video data corresponding to a first reproduction path, the second stream file including second video data corresponding to a second reproduction path; recording first and second clip information files on the optical disk, the first clip information file including a first entry point map mapping presentation time stamps to source packet addresses of the first video data, the second clip information file including a second entry point map mapping presentation time stamps to source packet addresses of the second video data; recording first and second playlist files on the optical disk, the first playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation time stamps in a clip of the first video data, the second playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation times stamps in a clip of the second video data; and recording at least one navigation file including first and second path items on the optical disk, the first path item including a first navigation command for launching the first playlist file, the second path item including a second navigation command for launching the second playlist file, wherein the first and second stream files, the first and second clip information files, the first and second playlist files and the navigation file are separate files from each other. - View Dependent Claims (11, 12, 20)
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6. A method of reproducing data recorded on an optical disk, the method comprising:
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reading at least one navigation file including first and second path items recorded on the optical disk, the first path item including a first navigation command for launching a first playlist file, the second path item including a second navigation command for launching a second playlist file; reading the first playlist file recorded on the optical disk, the first playlist file including at least one playitem identifying a pair of in-point and out-point pointing to presentation time stamps in a clip of first video data corresponding to a first reproduction path; reading a first clip information file including a first entry point map mapping the presentation time stamps to source packet addresses of the first video data; and reproducing the first video data included in a first stream file recorded on the optical disk; reading the second playlist file recorded on the optical disk, the second playlist file including at least one playitem identifying a pair of in-point and out-point pointing to presentation time stamps in a clip of second video data corresponding to a second reproduction path; reading a second clip information file including a second entry point map mapping the presentation time stamps to source packet addresses of the second video data; and reproducing the second video data included in a second stream file recorded on the optical disk, wherein the first and second stream files, the first and second clip information files, the first and second playlist files and the navigation file are separate files from each other. - View Dependent Claims (13, 14, 21)
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7. An apparatus for recording data on an optical disk, the apparatus comprising:
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a pickup configured to record data on the optical disk; and a controller configured to control the pickup to record first and second stream files, the first stream file including first video data corresponding to a first reproduction path, the second stream file including second video data corresponding to a second reproduction path; record first and second clip information files on the optical disk, the first clip information file including a first entry point map mapping presentation time stamps to source packet addresses of the first video data, the second clip information file including a second entry point map mapping presentation time stamps to source packet addresses of the second video data; record first and second playlist files on the optical disk, the first playlist file including at least one playitem identifying a pair of in-point and out-point pointing to the presentation time stamps in a clip of the first video data, the second playlist file including at least one playitem identifying a pair of in-point and out-point pointing the presentation time stamps in a clip of the second video data, and record at least one navigation file including first and second path items on the optical disk, the first path item including a first navigation command for launching the first playlist file, the second path item including a second navigation command for launching the second playlist file, wherein the first and second stream files, the first and second clip information files, the first and second playlist files and the navigation file are separate files from each other. - View Dependent Claims (15, 16, 22)
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8. An apparatus for reproducing data recorded on an optical disk, the apparatus comprising:
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a pickup configured to reproduce data recorded on the optical disk; a controller configured to control the pickup to read at least one navigation file including first and second path items recorded on the optical disk, the first path item including a first navigation command for launching a first playlist file, the second path item including a second navigation command for launching a second playlist file, read the first playlist file recorded on the optical disk, the first playlist file including at least one playitem identifying a pair of in-point and out-point pointing to presentation time stamps in a clip of first video data corresponding to a first reproduction path, read a first clip information file including a first entry point map mapping the presentation time stamps to source packet addresses of the first video data, reproduce the first video data included in a first stream file recorded on the optical disk, read the second playlist file including at least one playitem identifying a pair of in-point and out-point pointing to presentation time stamps in a clip of second video data corresponding to a second reproduction path, read a second clip information file including a second entry point map mapping the presentation time stamps to source packet addresses of the second video data, and reproduce the second video data included in a second stream file recorded on the optical disk, wherein the first and second stream files, the first and second clip information files, the first and second playlist files and the navigation file are separate files from each other. - View Dependent Claims (9, 10, 17, 18, 23)
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Specification