JP5147278B2 - 映像配信装置およびキーフレーム配信方法 - Google Patents

映像配信装置およびキーフレーム配信方法 Download PDF

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Publication number
JP5147278B2
JP5147278B2 JP2007101865A JP2007101865A JP5147278B2 JP 5147278 B2 JP5147278 B2 JP 5147278B2 JP 2007101865 A JP2007101865 A JP 2007101865A JP 2007101865 A JP2007101865 A JP 2007101865A JP 5147278 B2 JP5147278 B2 JP 5147278B2
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Japan
Prior art keywords
key frame
distribution
time
video
relative
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Expired - Fee Related
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JP2007101865A
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English (en)
Japanese (ja)
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JP2008259119A5 (enExample
JP2008259119A (ja
Inventor
博史 峯
信二 木村
薫 小西
友和 一木
尚久 脊古
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Hitachi Ltd
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Hitachi Ltd
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Publication date
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Priority to JP2007101865A priority Critical patent/JP5147278B2/ja
Priority to CN2008100901394A priority patent/CN101287106B/zh
Priority to US12/099,425 priority patent/US8413197B2/en
Publication of JP2008259119A publication Critical patent/JP2008259119A/ja
Publication of JP2008259119A5 publication Critical patent/JP2008259119A5/ja
Application granted granted Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • 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
    • 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
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • 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
    • H04N21/2402—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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • 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
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • 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
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17336—Handling of requests in head-ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
JP2007101865A 2007-04-09 2007-04-09 映像配信装置およびキーフレーム配信方法 Expired - Fee Related JP5147278B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007101865A JP5147278B2 (ja) 2007-04-09 2007-04-09 映像配信装置およびキーフレーム配信方法
CN2008100901394A CN101287106B (zh) 2007-04-09 2008-04-07 影像分发装置、影像接收装置以及关键帧分发方法
US12/099,425 US8413197B2 (en) 2007-04-09 2008-04-08 Video delivery device, video receiver and key frame delivery method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007101865A JP5147278B2 (ja) 2007-04-09 2007-04-09 映像配信装置およびキーフレーム配信方法

Publications (3)

Publication Number Publication Date
JP2008259119A JP2008259119A (ja) 2008-10-23
JP2008259119A5 JP2008259119A5 (enExample) 2009-10-15
JP5147278B2 true JP5147278B2 (ja) 2013-02-20

Family

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Family Applications (1)

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JP2007101865A Expired - Fee Related JP5147278B2 (ja) 2007-04-09 2007-04-09 映像配信装置およびキーフレーム配信方法

Country Status (3)

Country Link
US (1) US8413197B2 (enExample)
JP (1) JP5147278B2 (enExample)
CN (1) CN101287106B (enExample)

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FR2949636B1 (fr) 2009-09-02 2012-08-03 Sagem Comm Procede de lecture d'un contenu sur un dispositif multimedia, et dispositif associe
JP2011211416A (ja) * 2010-03-29 2011-10-20 Panasonic Corp 映像再生方法及び映像再生装置
CN102823268B (zh) 2010-03-31 2018-05-22 汤姆森特许公司 视频数据的技巧回放
EP2617191A1 (en) 2010-09-17 2013-07-24 Thomson Licensing Method for semantics based trick mode play in video system
TWI469088B (zh) * 2010-12-31 2015-01-11 財團法人工業技術研究院 前景深度地圖產生模組及其方法
CN102572457A (zh) * 2010-12-31 2012-07-11 财团法人工业技术研究院 前景深度地图产生模块及其方法
CN102610254B (zh) * 2011-01-19 2016-01-20 新奥特（北京）视频技术有限公司 一种读取任意多时间点数据实现变速与倒放的方法和系统
US8925021B2 (en) * 2011-07-11 2014-12-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for trick play in over-the-top video delivery
JP2013187606A (ja) * 2012-03-06 2013-09-19 Sony Corp 撮像装置および画像伝送方法
EP3258700A4 (en) * 2015-02-13 2017-12-20 Panasonic Intellectual Property Management Co., Ltd. Content reproduction system, video recording apparatus, terminal apparatus, and content reproduction method
CN109391847B (zh) * 2017-08-08 2021-10-12 中国电信股份有限公司 流媒体卡顿的监测方法及监测装置
US10708607B1 (en) * 2018-03-23 2020-07-07 Amazon Technologies, Inc. Managing encoding based on performance
CN108737908B (zh) * 2018-05-21 2021-11-30 腾讯科技（深圳）有限公司 一种媒体播放方法、装置及存储介质
CN109089131B (zh) * 2018-09-21 2021-07-23 广州虎牙信息科技有限公司 一种基于ios系统的录屏直播方法、装置、设备及存储介质
CN110113655B (zh) * 2019-05-05 2021-09-21 北京奇艺世纪科技有限公司 一种视频播放的方法、装置及用户终端
CN114567808B (zh) * 2022-01-25 2025-01-03 浙江大华技术股份有限公司 基于链路设备的视频i帧传输控制方法、装置和设备
CN115640422B (zh) * 2022-11-29 2023-12-22 深圳有影传媒有限公司 一种网络传媒视频数据分析监管系统

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JP3194694B2 (ja) * 1995-12-01 2001-07-30 松下電器産業株式会社 ビデオサーバ装置
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Also Published As

Publication number Publication date
JP2008259119A (ja) 2008-10-23
US8413197B2 (en) 2013-04-02
US20080263605A1 (en) 2008-10-23
CN101287106A (zh) 2008-10-15
CN101287106B (zh) 2012-07-25

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