WO2001065855A3 - A method and apparatus for streaming scalable video - Google Patents

A method and apparatus for streaming scalable video Download PDF

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Publication number
WO2001065855A3
WO2001065855A3 PCT/EP2001/001876 EP0101876W WO0165855A3 WO 2001065855 A3 WO2001065855 A3 WO 2001065855A3 EP 0101876 W EP0101876 W EP 0101876W WO 0165855 A3 WO0165855 A3 WO 0165855A3
Authority
WO
WIPO (PCT)
Prior art keywords
bits
sub
layers
scalable video
network
Prior art date
Application number
PCT/EP2001/001876
Other languages
French (fr)
Other versions
WO2001065855A2 (en
Inventor
Robert A Cohen
Hayder Radha
Kavitha Parthasarathy
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Priority to EP01915281.8A priority Critical patent/EP1183871B1/en
Priority to JP2001563538A priority patent/JP2003525547A/en
Publication of WO2001065855A2 publication Critical patent/WO2001065855A2/en
Publication of WO2001065855A3 publication Critical patent/WO2001065855A3/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
    • H04N21/266—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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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, manipulating MPEG-4 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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • 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
    • 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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2404—Monitoring of server processing errors or hardware failure
    • 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
    • H04N21/262—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
    • H04N21/26208—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 the scheduling operation being performed under constraints
    • H04N21/26216—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 the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth

Abstract

A system and method are disclosed for streaming scalable video data over a variable-bandwidth network such as a packet-based one. In other words, the number of bits (for FGS) or sub-layers (for discrete multi-layer scalability) is chosen to be transmitted for each enhancement layer frame. Further, these bits or sub-layers are also partitioned over multiple packets if being sent over a packet-based network. Further, a windowing function is used to smooth the variation in the number of bits or sub-layers transmitted for each frame in situations where the network bandwidth is varying.
PCT/EP2001/001876 2000-03-01 2001-02-20 A method and apparatus for streaming scalable video WO2001065855A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01915281.8A EP1183871B1 (en) 2000-03-01 2001-02-20 A method and apparatus for streaming scalable video
JP2001563538A JP2003525547A (en) 2000-03-01 2001-02-20 Method and apparatus for streaming scalable video

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/516,035 US7095782B1 (en) 2000-03-01 2000-03-01 Method and apparatus for streaming scalable video
US09/516,035 2000-03-01

Publications (2)

Publication Number Publication Date
WO2001065855A2 WO2001065855A2 (en) 2001-09-07
WO2001065855A3 true WO2001065855A3 (en) 2001-12-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/001876 WO2001065855A2 (en) 2000-03-01 2001-02-20 A method and apparatus for streaming scalable video

Country Status (6)

Country Link
US (1) US7095782B1 (en)
EP (1) EP1183871B1 (en)
JP (1) JP2003525547A (en)
CN (1) CN1196339C (en)
TW (1) TW520606B (en)
WO (1) WO2001065855A2 (en)

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Also Published As

Publication number Publication date
EP1183871B1 (en) 2017-01-11
CN1381139A (en) 2002-11-20
WO2001065855A2 (en) 2001-09-07
US7095782B1 (en) 2006-08-22
EP1183871A2 (en) 2002-03-06
JP2003525547A (en) 2003-08-26
TW520606B (en) 2003-02-11
CN1196339C (en) 2005-04-06

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