CN105052156B - Irap存取单元与位流切换及拼接 - Google Patents

Irap存取单元与位流切换及拼接 Download PDF

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Publication number
CN105052156B
CN105052156B CN201480017466.0A CN201480017466A CN105052156B CN 105052156 B CN105052156 B CN 105052156B CN 201480017466 A CN201480017466 A CN 201480017466A CN 105052156 B CN105052156 B CN 105052156B
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picture
irap
pictures
decoding
data
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CN105052156A (zh
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阿达许·克里许纳·瑞玛苏布雷蒙尼安
王益魁
克里希纳坎斯·拉帕卡
陈颖
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • 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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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]
    • H04N21/80—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
    • H04N21/8451—Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
    • 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
    • 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
    • H04N19/187—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 scalable video layer
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201480017466.0A 2013-04-05 2014-04-04 Irap存取单元与位流切换及拼接 Active CN105052156B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361809063P 2013-04-05 2013-04-05
US61/809,063 2013-04-05
US201361812225P 2013-04-15 2013-04-15
US61/812,225 2013-04-15
US14/244,743 US9596486B2 (en) 2013-04-05 2014-04-03 IRAP access units and bitstream switching and splicing
US14/244,743 2014-04-03
PCT/US2014/032926 WO2014165730A1 (en) 2013-04-05 2014-04-04 Irap access units and bitstream switching and splicing

Publications (2)

Publication Number Publication Date
CN105052156A CN105052156A (zh) 2015-11-11
CN105052156B true CN105052156B (zh) 2018-04-03

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Country Link
US (1) US9596486B2 (https=)
EP (1) EP2982129B1 (https=)
JP (1) JP6239732B2 (https=)
KR (1) KR102084822B1 (https=)
CN (1) CN105052156B (https=)
ES (1) ES2748561T3 (https=)
HU (1) HUE044639T2 (https=)
WO (1) WO2014165730A1 (https=)

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CN106105218B (zh) * 2014-10-08 2019-04-09 Lg电子株式会社 在3维视频编码中处理相机参数的方法
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CN107734387B (zh) * 2017-10-25 2020-11-24 北京网博视界科技股份有限公司 一种视频切割方法、装置、终端和存储介质
CN109963176B (zh) * 2017-12-26 2021-12-07 中兴通讯股份有限公司 视频码流处理方法、装置、网络设备和可读存储介质
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CN115550659B (zh) 2019-03-11 2025-05-06 华为技术有限公司 在一个图像内支持混合nal单元类型的编码方法及编码器
US11539957B2 (en) * 2019-06-20 2022-12-27 Tencent America LLC Layered random access with reference picture resampling
CN114208173A (zh) * 2019-07-03 2022-03-18 华为技术有限公司 参考图像列表中参考图像的类型
BR112022000158A2 (pt) 2019-07-08 2022-02-22 Huawei Tech Co Ltd Restrições de imagem de unidade de nal mista em codificação de vídeo
AU2020340538B2 (en) * 2019-09-03 2023-11-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Configurable NAL and slice code point mechanism for stream merging
EP4078973A1 (en) * 2019-12-20 2022-10-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and methods for mixing nal units of different nal unit types in video streams
US11228777B2 (en) * 2019-12-30 2022-01-18 Tencent America LLC Method for layerwise random access in a coded video stream
WO2021137592A1 (ko) * 2020-01-02 2021-07-08 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
WO2021188451A1 (en) 2020-03-16 2021-09-23 Bytedance Inc. Random access point access unit in scalable video coding
CN115398922B (zh) * 2020-03-20 2025-10-10 交互数字Ce专利控股有限公司 用于图像编码和解码的方法和设备
WO2021246841A1 (ko) * 2020-06-06 2021-12-09 엘지전자 주식회사 레이어 정보 시그널링 기반 영상 코딩 장치 및 방법
JP7752641B2 (ja) * 2020-06-10 2025-10-10 フラウンホッファー－ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マルチレイヤビデオビットストリーム及び出力タイミング導出のための多岐にわたるシグナリング概念
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Also Published As

Publication number Publication date
CN105052156A (zh) 2015-11-11
ES2748561T3 (es) 2020-03-17
EP2982129A1 (en) 2016-02-10
JP2016519509A (ja) 2016-06-30
US20140301485A1 (en) 2014-10-09
HUE044639T2 (hu) 2019-11-28
EP2982129B1 (en) 2019-07-03
KR20150139898A (ko) 2015-12-14
US9596486B2 (en) 2017-03-14
JP6239732B2 (ja) 2017-11-29
KR102084822B1 (ko) 2020-03-04
WO2014165730A1 (en) 2014-10-09

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