CA2924651C - Flexible sub-stream referencing within a transport data stream - Google Patents

Flexible sub-stream referencing within a transport data stream Download PDF

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Publication number
CA2924651C
CA2924651C CA2924651A CA2924651A CA2924651C CA 2924651 C CA2924651 C CA 2924651C CA 2924651 A CA2924651 A CA 2924651A CA 2924651 A CA2924651 A CA 2924651A CA 2924651 C CA2924651 C CA 2924651C
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CA
Canada
Prior art keywords
stream
data
transport stream
layer elementary
elementary stream
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2924651A
Other languages
English (en)
French (fr)
Other versions
CA2924651A1 (en
Inventor
Thomas Schierl
Cornelius Hellge
Karsten Gruneberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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
Application filed by Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of CA2924651A1 publication Critical patent/CA2924651A1/en
Application granted granted Critical
Publication of CA2924651C publication Critical patent/CA2924651C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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]
    • H04N21/40—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
    • 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • 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]
    • H04N21/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
CA2924651A 2008-04-25 2008-12-03 Flexible sub-stream referencing within a transport data stream Active CA2924651C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EPPCT/EP2008/003384 2008-04-25
EP2008003384 2008-04-25
CA2722204A CA2722204C (en) 2008-04-25 2008-12-03 Flexible sub-stream referencing within a transport data stream

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2722204A Division CA2722204C (en) 2008-04-25 2008-12-03 Flexible sub-stream referencing within a transport data stream

Publications (2)

Publication Number Publication Date
CA2924651A1 CA2924651A1 (en) 2009-10-29
CA2924651C true CA2924651C (en) 2020-06-02

Family

ID=40756624

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2924651A Active CA2924651C (en) 2008-04-25 2008-12-03 Flexible sub-stream referencing within a transport data stream
CA2722204A Active CA2722204C (en) 2008-04-25 2008-12-03 Flexible sub-stream referencing within a transport data stream

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2722204A Active CA2722204C (en) 2008-04-25 2008-12-03 Flexible sub-stream referencing within a transport data stream

Country Status (8)

Country Link
US (1) US20110110436A1 (enExample)
JP (1) JP5238069B2 (enExample)
KR (1) KR101204134B1 (enExample)
CN (1) CN102017624A (enExample)
BR (2) BR122021000421B1 (enExample)
CA (2) CA2924651C (enExample)
TW (1) TWI463875B (enExample)
WO (1) WO2009129838A1 (enExample)

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US10567703B2 (en) * 2017-06-05 2020-02-18 Cisco Technology, Inc. High frame rate video compatible with existing receivers and amenable to video decoder implementation
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WO2023089340A1 (en) * 2021-11-22 2023-05-25 V-Nova International Ltd Processing a multi-layer video stream

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Also Published As

Publication number Publication date
CA2722204C (en) 2016-08-09
KR20100132985A (ko) 2010-12-20
US20110110436A1 (en) 2011-05-12
JP2011519216A (ja) 2011-06-30
TW200945901A (en) 2009-11-01
BRPI0822167A2 (pt) 2015-06-16
CN102017624A (zh) 2011-04-13
KR101204134B1 (ko) 2012-11-23
WO2009129838A1 (en) 2009-10-29
CA2722204A1 (en) 2009-10-29
JP5238069B2 (ja) 2013-07-17
BRPI0822167B1 (pt) 2021-03-30
CA2924651A1 (en) 2009-10-29
BR122021000421B1 (pt) 2022-01-18
TWI463875B (zh) 2014-12-01

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Effective date: 20160316