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WO2009004778A1 - ストリーム伝送サーバおよびストリーム伝送システム - Google Patents

ストリーム伝送サーバおよびストリーム伝送システム Download PDF

Info

Publication number
WO2009004778A1
WO2009004778A1 PCT/JP2008/001684 JP2008001684W WO2009004778A1 WO 2009004778 A1 WO2009004778 A1 WO 2009004778A1 JP 2008001684 W JP2008001684 W JP 2008001684W WO 2009004778 A1 WO2009004778 A1 WO 2009004778A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
key frame
transmission
stream transmission
server
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.)
Ceased
Application number
PCT/JP2008/001684
Other languages
English (en)
French (fr)
Inventor
Hidenori Ishii
Daisaku Komiya
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.)
Panasonic Corp
Original Assignee
Panasonic 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
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to CN2008800185621A priority Critical patent/CN101682741B/zh
Priority to US12/664,923 priority patent/US8719883B2/en
Publication of WO2009004778A1 publication Critical patent/WO2009004778A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H04N21/23—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
    • 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
    • H04N21/234318—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 objects, e.g. MPEG-4 objects
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • 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
    • H04N21/47—End-user applications
    • H04N21/472—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
    • H04N21/47214—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 content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
    • 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
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8547—Content authoring involving timestamps for synchronizing content
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Strategic Management (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

　サーバ（１０１）は、フレーム間予測符号化されたデータをストリーム伝送する。サーバ（１０１）は、単独で復号可能なキーフレームに対してそのキーフレームに続く少なくとも１つの差分フレームを追加し一の送信単位のデータとすると共に、一の送信単位のデータに関する情報であってフレーム番号を含む情報を付与したバッファ用キーフレームを生成する送信データ生成部（１１６）と、キーフレームの送信タイミングに、その送信タイミングに送信されるべきキーフレームを用いて生成されたバッファ用キーフレームを送信し、差分フレームの送信タイミングに任意のフレームを送信する出力部（１１４）とを備える。これにより、複数の端末間でストリームを再生する端末を切り替える時のバッファリング時間を短くし、切替えを円滑に行うことができる。
PCT/JP2008/001684 2007-07-02 2008-06-27 ストリーム伝送サーバおよびストリーム伝送システム Ceased WO2009004778A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008800185621A CN101682741B (zh) 2007-07-02 2008-06-27 流式传送服务器和流式传送系统
US12/664,923 US8719883B2 (en) 2007-07-02 2008-06-27 Stream transmission server and stream transmission system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-173901 2007-07-02
JP2007173901A JP5026167B2 (ja) 2007-07-02 2007-07-02 ストリーム伝送サーバおよびストリーム伝送システム

Publications (1)

Publication Number Publication Date
WO2009004778A1 true WO2009004778A1 (ja) 2009-01-08

Family

ID=40225843

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001684 Ceased WO2009004778A1 (ja) 2007-07-02 2008-06-27 ストリーム伝送サーバおよびストリーム伝送システム

Country Status (4)

Country Link
US (1) US8719883B2 (ja)
JP (1) JP5026167B2 (ja)
CN (1) CN101682741B (ja)
WO (1) WO2009004778A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011114378A (ja) * 2009-11-24 2011-06-09 Canon Inc 映像表示システム及びその制御方法
KR101710543B1 (ko) * 2010-07-01 2017-02-27 엘지전자 주식회사 이동 단말기 및 이동 단말기의 제어 방법
KR20120084234A (ko) 2011-01-19 2012-07-27 삼성전자주식회사 Ｍｐｅｇ ｍｅｄｉａ ｔｒａｎｓｐｏｒｔ（ｍｍｔ）에서 ｍｍｔ ａｕ를 전송하는 방법
WO2013070188A1 (en) * 2011-11-07 2013-05-16 Empire Technology Development Llc Redundant key frame transmission
CN102857727B (zh) * 2012-10-11 2015-07-01 南京莱斯信息技术股份有限公司 一种视频数据的无损压缩与解压缩处理方法
CN104702914A (zh) * 2015-01-14 2015-06-10 汉柏科技有限公司 一种监控视频的数据处理方法及系统
US11113287B1 (en) * 2016-05-12 2021-09-07 Teradata Us, Inc. Data stream management system
JP6993869B2 (ja) * 2017-12-25 2022-01-14 古野電気株式会社 再生装置、遠隔再生システム、再生方法、及びコンピュータプログラム
CN108924603B (zh) * 2018-07-31 2020-12-22 复旦大学 基于软件定义WiFi的多终端流媒体播放系统和方法
US11184684B2 (en) 2019-05-24 2021-11-23 Viacom International Inc. Live broadcast IP latency compensation
CN110351595B (zh) * 2019-07-17 2023-08-18 北京百度网讯科技有限公司 一种缓冲处理方法、装置、设备和计算机存储介质
JP7438835B2 (ja) * 2020-04-21 2024-02-27 株式会社東芝 サーバ装置、通信システム、プログラムおよび情報処理方法
JP7346355B2 (ja) * 2020-05-15 2023-09-19 株式会社東芝 無線通信装置および方法
CN113840160B (zh) * 2021-09-29 2023-09-29 重庆紫光华山智安科技有限公司 事件数据传输方法、系统、电子设备及可读存储介质
JP7304096B2 (ja) * 2021-10-29 2023-07-06 ＭａｓｔｅｒＶｉｓｉｏｎｓ株式会社 動画配信装置

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Patent Citations (2)

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WO2006100843A1 (ja) * 2005-03-24 2006-09-28 Matsushita Electric Industrial Co., Ltd. デバイス切替システム、送信元および配信先デバイス
JP2007228573A (ja) * 2006-02-23 2007-09-06 Matsushita Electric Ind Co Ltd 端末間でストリームセッションをシームレスに切り替える端末装置、端末切替方法、コンピュータ読み取り可能な記憶媒体および端末切替システム

Also Published As

Publication number Publication date
US20100185748A1 (en) 2010-07-22
US8719883B2 (en) 2014-05-06
CN101682741B (zh) 2012-05-09
JP2009016990A (ja) 2009-01-22
CN101682741A (zh) 2010-03-24
JP5026167B2 (ja) 2012-09-12

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