EA201791558A1 - Потоковая передача видео с низкой задержкой - Google Patents

Потоковая передача видео с низкой задержкой

Info

Publication number
EA201791558A1
EA201791558A1 EA201791558A EA201791558A EA201791558A1 EA 201791558 A1 EA201791558 A1 EA 201791558A1 EA 201791558 A EA201791558 A EA 201791558A EA 201791558 A EA201791558 A EA 201791558A EA 201791558 A1 EA201791558 A1 EA 201791558A1
Authority
EA
Eurasian Patent Office
Prior art keywords
segment
view
current video
low delay
presentation
Prior art date
Application number
EA201791558A
Other languages
English (en)
Inventor
Томас Штокхаммер
Е-куй Ван
Original Assignee
Квэлкомм Инкорпорейтед
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 Квэлкомм Инкорпорейтед filed Critical Квэлкомм Инкорпорейтед
Publication of EA201791558A1 publication Critical patent/EA201791558A1/ru

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/70—Media network packetisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • 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
    • H04N21/26258—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 generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
    • 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
    • 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
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
    • 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
    • H04N21/26616—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 for merging a unicast channel into a multicast channel, e.g. in a VOD application, when a client served by unicast channel catches up a multicast channel to save bandwidth
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

Клиентское устройство включает в себя один или более процессоров, выполненных с возможностью определять, из файла манифеста, множество типов сегментов, включенных в представление мультимедийного контента, причем одна или более функций обеспечиваются посредством каждого из типов сегментов и позиций сегментов, соответствующих каждому из типов сегментов в представлении, при этом по меньшей мере один из типов сегментов обеспечивает точку, в которой можно начинать извлечение данных из представления, определять, из файла манифеста, сегмент представления, соответствующий типу, который обеспечивает точку, в которой можно начинать извлечение данных из представления, и извлекать определенный сегмент из представления.
EA201791558A 2015-02-10 2016-02-10 Потоковая передача видео с низкой задержкой EA201791558A1 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562114423P 2015-02-10 2015-02-10
US201562183054P 2015-06-22 2015-06-22
US15/019,804 US10270823B2 (en) 2015-02-10 2016-02-09 Low latency video streaming
PCT/US2016/017325 WO2016130657A1 (en) 2015-02-10 2016-02-10 Low latency video streaming

Publications (1)

Publication Number Publication Date
EA201791558A1 true EA201791558A1 (ru) 2017-12-29

Family

ID=56567242

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201791558A EA201791558A1 (ru) 2015-02-10 2016-02-10 Потоковая передача видео с низкой задержкой

Country Status (13)

Country Link
US (1) US10270823B2 (ru)
EP (1) EP3257255B1 (ru)
JP (1) JP6655091B2 (ru)
KR (1) KR102168596B1 (ru)
CN (1) CN107251562B (ru)
AU (1) AU2016219369B2 (ru)
BR (1) BR112017017152A2 (ru)
EA (1) EA201791558A1 (ru)
ES (1) ES2767288T3 (ru)
HU (1) HUE047298T2 (ru)
TN (1) TN2017000306A1 (ru)
TW (1) TWI686077B (ru)
WO (1) WO2016130657A1 (ru)

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Also Published As

Publication number Publication date
AU2016219369A1 (en) 2017-07-27
AU2016219369B2 (en) 2019-10-31
TW201633783A (zh) 2016-09-16
KR20170116027A (ko) 2017-10-18
EP3257255B1 (en) 2019-10-16
TWI686077B (zh) 2020-02-21
HUE047298T2 (hu) 2020-04-28
TN2017000306A1 (en) 2019-01-16
JP2018510545A (ja) 2018-04-12
CN107251562A (zh) 2017-10-13
EP3257255A1 (en) 2017-12-20
CN107251562B (zh) 2020-03-20
WO2016130657A1 (en) 2016-08-18
US10270823B2 (en) 2019-04-23
KR102168596B1 (ko) 2020-10-21
US20160234536A1 (en) 2016-08-11
ES2767288T3 (es) 2020-06-17
BR112017017152A2 (pt) 2018-04-03
JP6655091B2 (ja) 2020-02-26

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