Non-linear reproduction control method of multimedia stream and apparatus thereof
First Claim
1. A method for controlling the playback of a stream of multimedia content, the method comprising:
- storing a plurality of index points, each index point corresponding to one of semantic information or structural information for the stream of multimedia content, wherein the index points corresponding to semantic information allow a user to skip through the stream of multimedia content at meaningful points in the stream of multimedia content, wherein the index points corresponding to structural information allow a user to skip through the multimedia stream at each shot or scene in the stream of multimedia content;
playing back the stream of multimedia content for presentation to a user;
receiving a request from the user to skip through the stream of multimedia content; and
resuming play back of the stream of multimedia content at the next index point in the stream.
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Abstract
The present invention relates to a non-linear reproduction control method of multimedia stream and an apparatus thereof, the present invention comprises judging a skip direction by interpreting whether a skip request is a forward skip or a backward skip when the skip request is inputted from the user, determining a skip unit by judging whether the user request is a big unit or a small unit, selecting a structural information or semantic information change point of the multimedia stream mostly adjacent to the present reproduction position as a reproduction resume point on the basis of the determined skip direction and skip unit or selecting the reproduction resume point by using the set temporal offset from the preset reproduction position, accordingly it is possible to.
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Citations
19 Claims
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1. A method for controlling the playback of a stream of multimedia content, the method comprising:
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storing a plurality of index points, each index point corresponding to one of semantic information or structural information for the stream of multimedia content, wherein the index points corresponding to semantic information allow a user to skip through the stream of multimedia content at meaningful points in the stream of multimedia content, wherein the index points corresponding to structural information allow a user to skip through the multimedia stream at each shot or scene in the stream of multimedia content;
playing back the stream of multimedia content for presentation to a user;
receiving a request from the user to skip through the stream of multimedia content; and
resuming play back of the stream of multimedia content at the next index point in the stream. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for controlling the playback of a stream of multimedia content, the method comprising:
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providing an index structure comprising a plurality of index points, wherein each index point corresponds to one of semantic information or structural information for the stream of multimedia content, wherein the index points corresponding to semantic information allow a user to skip through the stream of multimedia content at meaningful points in the stream of multimedia content, wherein the index points corresponding to structural information allow a user to skip through the multimedia stream at each shot or scene in the stream of multimedia content;
playing back the stream of multimedia content for presentation to a user;
during play back, receiving at a first point in the stream of multimedia content a request from the user to skip through the stream of multimedia content;
in response to the request from the user to skip, accessing the index structure; and
resuming play back of the stream of multimedia content at an index point either forward of or backward from the first point. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A method for controlling the playback of a stream of multimedia content, the method comprising:
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storing a plurality of index points, each index point corresponding to one of semantic information or structural information for the stream of multimedia content, wherein the index points corresponding to semantic information allow a user to skip through the stream of multimedia content at meaningful points in the stream of multimedia content, wherein the index points corresponding to structural information allow a user to skip through the multimedia stream at each shot or scene in the stream of multimedia content;
playing back the stream of multimedia content for presentation to a user;
during play back, receiving at a first point in the stream of multimedia content a request from the user to skip through the stream of multimedia content;
determining whether the received request is a request to skip forward or a request to skip backward;
if the received request is a request to skip forward, resuming play back of the stream of multimedia content at an index point in the stream of multimedia content which comes after the first point in the stream of multimedia content; and
alternatively, if the received request is a request to skip backward, resuming play back of the stream of multimedia content at an index point which comes before the first point in the stream of multimedia content. - View Dependent Claims (17, 18, 19)
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Specification