Method and apparatus for providing timeshift service in digital broadcasting system and system thereof
First Claim
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1. A system for providing content in a digital broadcasting system, the system comprising:
- a server configured to;
generate a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content and transmit the MPD to a client device;
if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, receive a second URL information indicating a location where the segment is stored in the network storage from the network storage, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server;
generate an updated MPD including the second URL information; and
transmit the updated MPD to the client device,wherein the client device is configured to;
receive the MPD and the updated MPD, andacquire the segment stored in the network storage using the second URL information.
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Abstract
A system and method for providing content in a digital broadcasting system are provided. The system includes a server for, after a lapse of a buffering time of a segment of the content, storing the segment, and for transmitting an updated Multimedia Presentation Description (MPD) including Uniform Resource Location (URL) information indicating a location where the segment is stored, and a client device for receiving the updated MPD, and for acquiring the segment stored in the location indicated by the URL information included in the updated MPD.
23 Citations
28 Claims
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1. A system for providing content in a digital broadcasting system, the system comprising:
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a server configured to; generate a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content and transmit the MPD to a client device; if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, receive a second URL information indicating a location where the segment is stored in the network storage from the network storage, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server; generate an updated MPD including the second URL information; and transmit the updated MPD to the client device, wherein the client device is configured to; receive the MPD and the updated MPD, and acquire the segment stored in the network storage using the second URL information. - View Dependent Claims (2, 3, 4)
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5. A method for providing content by a server in a digital broadcasting system, the method comprising:
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generating a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content and transmitting the MPD to a client device; receiving, if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, a second URL information indicating a location where the segment is stored in the network storage from the network storage, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server; generating an updated MPD including the second URL information; and transmitting the updated MPD to the client device. - View Dependent Claims (6, 7, 8)
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9. A server for providing content for digital broadcast, the server comprising:
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a controller configured to execute one or more modules; and a memory configured to store the one or more modules, wherein the one or more modules is configured to; generate a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content, transmit the MPD to a client device, if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server, receive a second URL information indicating a location where the segment is stored in the network storage from the network storage, generate an updated MPD including the second URL information, and transmit the updated MPD to the client device. - View Dependent Claims (10, 11, 12)
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13. A method for acquiring content by a client device in a digital broadcasting system, the method comprising:
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receiving, from a server, a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content; receiving an updated MPD from the server, wherein if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, the server receives a second URL information indicating a location where the segment is stored in the network storage from the network storage, and the updated MPD includes the second URL information, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server; and acquiring the segment stored in the network storage using the second URL information. - View Dependent Claims (14, 15, 16)
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17. A client for receiving digital broadcast content, comprising:
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a controller configured to execute one or more modules; and a memory to store the one more modules, wherein the one or more modules are configured to; receive, from a server, a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content; and receive an updated MPD from the server, wherein if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, the server receives a second URL information indicating a location where the segment is stored in the network storage from the network storage, and the updated MPD includes the second URL information, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server, acquire the segment stored in the network storage using the second URL information. - View Dependent Claims (18, 19, 20)
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21. A system for providing content for digital broadcast, the system comprising:
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a network storage for receiving a segment of the content from a content provider after a lapse of a timeshift buffering time of the segment at the content provider and storing the segment, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server; a processor for generating a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of the content provider providing the content and transmitting the MPD to a client device, receiving a second URL information indicating a location where the segment is stored in the network storage from the network storage, and generating an updated MPD including the second URL information; and a transmitter for transmitting the updated MPD to a client device. - View Dependent Claims (22, 23, 24)
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25. A client for receiving content for digital broadcast, the client comprising:
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a receiver for receiving, from a server, a multimedia presentation description (MPD) including a first uniform resource location (URL) information indicating a location of a content provider providing the content and for receiving an updated MPD from the server, wherein if a segment of the content is transmitted from the content provider to a network storage after a lapse of a timeshift buffering time of the segment at the content provider and stored in the network storage, the server receives a second URL information indicating a location where the segment is stored in the network storage from the network storage, and the updated MPD includes the second URL information, wherein the timeshift buffering time corresponds to a time in which a timeshift service for the segment is provided by the server; and a processor for acquiring the segment stored in the network storage using the second URL information. - View Dependent Claims (26, 27, 28)
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Specification