WO2008114393A1 - ビットストリーム変換方法、ビットストリーム変換装置、ビットストリーム結合装置、ビットストリーム分割プログラム、ビットストリーム変換プログラム及びビットストリーム結合プログラム - Google Patents

ビットストリーム変換方法、ビットストリーム変換装置、ビットストリーム結合装置、ビットストリーム分割プログラム、ビットストリーム変換プログラム及びビットストリーム結合プログラム Download PDF

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Publication number
WO2008114393A1
WO2008114393A1 PCT/JP2007/055556 JP2007055556W WO2008114393A1 WO 2008114393 A1 WO2008114393 A1 WO 2008114393A1 JP 2007055556 W JP2007055556 W JP 2007055556W WO 2008114393 A1 WO2008114393 A1 WO 2008114393A1
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WO
WIPO (PCT)
Prior art keywords
bit stream
program
converting
coupling
dividing
Prior art date
Application number
PCT/JP2007/055556
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English (en)
French (fr)
Inventor
Makiko Konoshima
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009504993A priority Critical patent/JP4917148B2/ja
Priority to EP20070738999 priority patent/EP2124454B1/en
Priority to PCT/JP2007/055556 priority patent/WO2008114393A1/ja
Publication of WO2008114393A1 publication Critical patent/WO2008114393A1/ja
Priority to US12/461,589 priority patent/US8411739B2/en

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    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
    • 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
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • 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 MPEG packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • 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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Communication Control (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

　コンテンツデータを含む第１形式のビットストリーム(V)を、第２形式のビットストリーム(S)へ変換するビットストリーム変換装置(1)は、第１形式のビットストリーム(V)を時系列的に分割して複数の第１形式の分割ビットストリーム(V1,V2,Vn)にする分割部(10)と、複数の第１形式の分割ビットストリーム(V1,V2,Vn)を、複数の第２形式の分割ビットストリーム(S1,S2,Sn)へそれぞれ変換する複数の変換部(20a,20b,20n)と、複数の第２形式の分割ビットストリーム(S1,S2,Sn)を相互に結合する結合部(30)と、を備える。
PCT/JP2007/055556 2007-03-19 2007-03-19 ビットストリーム変換方法、ビットストリーム変換装置、ビットストリーム結合装置、ビットストリーム分割プログラム、ビットストリーム変換プログラム及びビットストリーム結合プログラム WO2008114393A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009504993A JP4917148B2 (ja) 2007-03-19 2007-03-19 ビットストリーム変換方法、ビットストリーム変換装置、ビットストリーム結合装置、ビットストリーム分割プログラム、ビットストリーム変換プログラム及びビットストリーム結合プログラム
EP20070738999 EP2124454B1 (en) 2007-03-19 2007-03-19 Bit stream converting method, bit stream converting device, bit stream coupling device, bit stream dividing program, bit stream converting program and bit stream coupling program
PCT/JP2007/055556 WO2008114393A1 (ja) 2007-03-19 2007-03-19 ビットストリーム変換方法、ビットストリーム変換装置、ビットストリーム結合装置、ビットストリーム分割プログラム、ビットストリーム変換プログラム及びビットストリーム結合プログラム
US12/461,589 US8411739B2 (en) 2007-03-19 2009-08-17 Bitstream conversion method, bitstream conversion apparatus, bitstream connecting apparatus, bitstream splitting program, bitstream conversion program, and bitstream connecting program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/055556 WO2008114393A1 (ja) 2007-03-19 2007-03-19 ビットストリーム変換方法、ビットストリーム変換装置、ビットストリーム結合装置、ビットストリーム分割プログラム、ビットストリーム変換プログラム及びビットストリーム結合プログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/461,589 Continuation US8411739B2 (en) 2007-03-19 2009-08-17 Bitstream conversion method, bitstream conversion apparatus, bitstream connecting apparatus, bitstream splitting program, bitstream conversion program, and bitstream connecting program

Publications (1)

Publication Number Publication Date
WO2008114393A1 true WO2008114393A1 (ja) 2008-09-25

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Country Status (4)

Country Link
US (1) US8411739B2 (ja)
EP (1) EP2124454B1 (ja)
JP (1) JP4917148B2 (ja)
WO (1) WO2008114393A1 (ja)

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JP2013541271A (ja) * 2010-09-07 2013-11-07 中国科学院深▲しん▼先進技術研究院 オーバーラップする境界に基づくマルチメディアのスライストランスコーディング方法およびシステム、記録媒体
CN106488273A (zh) * 2016-10-10 2017-03-08 广州酷狗计算机科技有限公司 一种传输直播视频的方法和装置
JPWO2020194473A1 (ja) * 2019-03-25 2020-10-01

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JP5967866B2 (ja) * 2011-04-26 2016-08-10 キヤノン株式会社 符号化装置、符号化方法及びプログラム
US9615126B2 (en) * 2011-06-24 2017-04-04 Google Technology Holdings LLC Intelligent buffering of media streams delivered over internet
US8935425B2 (en) 2011-10-05 2015-01-13 Qualcomm Incorporated Switching between representations during network streaming of coded multimedia data
US9432704B2 (en) * 2011-11-06 2016-08-30 Akamai Technologies Inc. Segmented parallel encoding with frame-aware, variable-size chunking
US9485456B2 (en) 2013-12-30 2016-11-01 Akamai Technologies, Inc. Frame-rate conversion in a distributed computing system
CN104679448B (zh) * 2015-02-05 2017-10-03 深圳市硅格半导体有限公司 数据比特流转换的方法和装置
US10409781B2 (en) * 2015-04-29 2019-09-10 Box, Inc. Multi-regime caching in a virtual file system for cloud-based shared content
US11470131B2 (en) 2017-07-07 2022-10-11 Box, Inc. User device processing of information from a network-accessible collaboration system
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Publication number Priority date Publication date Assignee Title
JP2013541271A (ja) * 2010-09-07 2013-11-07 中国科学院深▲しん▼先進技術研究院 オーバーラップする境界に基づくマルチメディアのスライストランスコーディング方法およびシステム、記録媒体
CN106488273A (zh) * 2016-10-10 2017-03-08 广州酷狗计算机科技有限公司 一种传输直播视频的方法和装置
CN106488273B (zh) * 2016-10-10 2019-09-10 广州酷狗计算机科技有限公司 一种传输直播视频的方法和装置
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WO2020194473A1 (ja) * 2019-03-25 2020-10-01 日本電気株式会社 制御装置、制御方法、及びプログラムが格納された非一時的なコンピュータ可読媒体
JP7131690B2 (ja) 2019-03-25 2022-09-06 日本電気株式会社 制御装置、制御方法、及びプログラム

Also Published As

Publication number Publication date
US8411739B2 (en) 2013-04-02
EP2124454A4 (en) 2011-06-08
US20090310669A1 (en) 2009-12-17
JP4917148B2 (ja) 2012-04-18
EP2124454B1 (en) 2014-11-19
JPWO2008114393A1 (ja) 2010-07-01
EP2124454A1 (en) 2009-11-25

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