WO1999021362A3 - Method and apparatus for implementing seamless playback of continuous video feeds - Google Patents

Method and apparatus for implementing seamless playback of continuous video feeds Download PDF

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Publication number
WO1999021362A3
WO1999021362A3 PCT/US1998/022012 US9822012W WO9921362A3 WO 1999021362 A3 WO1999021362 A3 WO 1999021362A3 US 9822012 W US9822012 W US 9822012W WO 9921362 A3 WO9921362 A3 WO 9921362A3
Authority
WO
WIPO (PCT)
Prior art keywords
data stream
digital data
beginning
corresponds
series
Prior art date
Application number
PCT/US1998/022012
Other languages
French (fr)
Other versions
WO1999021362B1 (en
WO1999021362A2 (en
Inventor
Daniel Weaver
David J Pawson
Original Assignee
Oracle Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25497997&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1999021362(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Oracle Corp filed Critical Oracle Corp
Priority to DE69811385T priority Critical patent/DE69811385T2/en
Priority to AU98076/98A priority patent/AU755452B2/en
Priority to CA2306932A priority patent/CA2306932C/en
Priority to JP2000517550A priority patent/JP4360513B2/en
Priority to EP98952358A priority patent/EP1025699B1/en
Publication of WO1999021362A2 publication Critical patent/WO1999021362A2/en
Publication of WO1999021362A3 publication Critical patent/WO1999021362A3/en
Publication of WO1999021362B1 publication Critical patent/WO1999021362B1/en
Priority to HK00107181A priority patent/HK1028860A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
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    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
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    • H04N21/23113—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving housekeeping operations for stored content, e.g. prioritizing content for deletion because of storage space restrictions
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    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
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    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • H—ELECTRICITY
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    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/2625—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for delaying content or additional data distribution, e.g. because of an extended sport event
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
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    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
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    • H04N21/65—Transmission of management data between client and server
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    • H04N21/65—Transmission of management data between client and server
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    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

A method and system for storing a continuous feed of video is provided. According to one aspect of the invention, the continuous feed is encoded in a digital video format to produce a digital data stream. A series of content files is created by repeatedly performing the steps of (1) storing the digital data stream in a current file, and (2) establishing a new file as the current file when the current file satisfies a predetermined condition. If the series of content files contains more than a predetermined amount of the continuous feed, the oldest content file in the series of content files is deleted. Tag information that indicates information about frames contained in the digital data stream is generated. The tag information includes timestamps that indicate timing of frames relative to a beginning of the digital data stream. An initial time value that indicates an absolute time that corresponds to the beginning of the digital data stream. When a request from a client for playback beginning at a specified absolute time is received, the initial time value is subtracted from the specified absolute time to determine a relative time. The tag information is used to identify a location in the digital data stream that corresponds to the relative time. The digital data stream is then transmitted to the client beginning at the location in the digital data stream that corresponds to the relative time.
PCT/US1998/022012 1997-10-22 1998-10-19 Method and apparatus for implementing seamless playback of continuous video feeds WO1999021362A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE69811385T DE69811385T2 (en) 1997-10-22 1998-10-19 METHOD AND DEVICE FOR SEAMLESS PLAYBACK OF VIDEO PROGRAMS
AU98076/98A AU755452B2 (en) 1997-10-22 1998-10-19 Method and apparatus for implementing seamless playback of continuous media feeds
CA2306932A CA2306932C (en) 1997-10-22 1998-10-19 Method and apparatus for implementing seamless playback of continuous media feeds
JP2000517550A JP4360513B2 (en) 1997-10-22 1998-10-19 A system for delivering a continuous feed of video
EP98952358A EP1025699B1 (en) 1997-10-22 1998-10-19 Method and apparatus for implementing seamless playback of continuous video feeds
HK00107181A HK1028860A1 (en) 1997-10-22 2000-11-10 Method and apparatus for implementing seamless playback of continuous video feeds

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/956,262 US6138147A (en) 1995-07-14 1997-10-22 Method and apparatus for implementing seamless playback of continuous media feeds
US08/956,262 1997-10-22

Publications (3)

Publication Number Publication Date
WO1999021362A2 WO1999021362A2 (en) 1999-04-29
WO1999021362A3 true WO1999021362A3 (en) 1999-07-01
WO1999021362B1 WO1999021362B1 (en) 1999-09-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/022012 WO1999021362A2 (en) 1997-10-22 1998-10-19 Method and apparatus for implementing seamless playback of continuous video feeds

Country Status (8)

Country Link
US (2) US6138147A (en)
EP (2) EP1162828B1 (en)
JP (3) JP4360513B2 (en)
AU (1) AU755452B2 (en)
CA (2) CA2306932C (en)
DE (2) DE69837726T2 (en)
HK (2) HK1028860A1 (en)
WO (1) WO1999021362A2 (en)

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TW303570B (en) * 1995-09-29 1997-04-21 Matsushita Electric Ind Co Ltd
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