HUE044639T2 - IRAP hozzáférési egységek és bitfolyam kapcsolás és összeillesztés - Google Patents

IRAP hozzáférési egységek és bitfolyam kapcsolás és összeillesztés

Info

Publication number
HUE044639T2
HUE044639T2 HUE14720460A HUE044639T2 HU E044639 T2 HUE044639 T2 HU E044639T2 HU E14720460 A HUE14720460 A HU E14720460A HU E044639 T2 HUE044639 T2 HU E044639T2
Authority
HU
Hungary
Prior art keywords
splicing
access units
irap access
bitstream switching
bitstream
Prior art date
Application number
Other languages
English (en)
Hungarian (hu)
Inventor
Adarsh Krishnan Ramasubramonian
Ye-Kui Wang
Krishnakanth Rapaka
Ying Chen
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of HUE044639T2 publication Critical patent/HUE044639T2/hu

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
HUE14720460 2013-04-05 2014-04-04 IRAP hozzáférési egységek és bitfolyam kapcsolás és összeillesztés HUE044639T2 (hu)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361809063P 2013-04-05 2013-04-05
US201361812225P 2013-04-15 2013-04-15
US14/244,743 US9596486B2 (en) 2013-04-05 2014-04-03 IRAP access units and bitstream switching and splicing

Publications (1)

Publication Number Publication Date
HUE044639T2 true HUE044639T2 (hu) 2019-11-28

Family

ID=51654456

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE14720460 HUE044639T2 (hu) 2013-04-05 2014-04-04 IRAP hozzáférési egységek és bitfolyam kapcsolás és összeillesztés

Country Status (8)

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

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US10003815B2 (en) * 2013-06-03 2018-06-19 Qualcomm Incorporated Hypothetical reference decoder model and conformance for cross-layer random access skipped pictures
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JP6445026B2 (ja) * 2014-10-08 2018-12-26 エルジー エレクトロニクス インコーポレイティド ３ｄビデオコーディングにおけるカメラパラメータ処理方法および装置
US20160119619A1 (en) * 2014-10-27 2016-04-28 Ati Technologies Ulc Method and apparatus for encoding instantaneous decoder refresh units
RU2746934C9 (ru) 2014-12-31 2021-06-29 Нокиа Текнолоджиз Ой Межуровневое предсказание для масштабируемого кодирования и декодирования видеоинформации
US9973562B2 (en) 2015-04-17 2018-05-15 Microsoft Technology Licensing, Llc Split processing of encoded video in streaming segments
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US10306253B2 (en) * 2015-10-14 2019-05-28 Qualcomm Incorporated Signaling of parameter sets in files of multi-layer bitstreams
US11184624B2 (en) * 2016-05-19 2021-11-23 Qualcomm Incorporated Regional random access in pictures
US10623755B2 (en) * 2016-05-23 2020-04-14 Qualcomm Incorporated End of sequence and end of bitstream NAL units in separate file tracks
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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
EP3906685B1 (en) * 2019-01-04 2025-03-26 Huawei Technologies Co., Ltd. Sub-picture based random access
AU2020234831B2 (en) 2019-03-11 2023-11-23 Huawei Technologies Co., Ltd. Pictures with mixed NAL unit types
US11539957B2 (en) * 2019-06-20 2022-12-27 Tencent America LLC Layered random access with reference picture resampling
KR20250153331A (ko) * 2019-07-03 2025-10-24 후아웨이 테크놀러지 컴퍼니 리미티드 참조 화상 목록 내의 참조 화상의 유형
AU2020311890B2 (en) 2019-07-08 2025-05-29 Huawei Technologies Co., Ltd. Mixed NAL unit picture constraints in video coding
KR102794725B1 (ko) * 2019-09-03 2025-04-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스트림 병합을 위한 설정 가능한 nal 및 슬라이스 코드 포인트 메커니즘
JP7659561B2 (ja) * 2019-12-20 2025-04-09 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 ビデオストリームにおいて異なるｎａｌユニットタイプのｎａｌユニットを混合するためのデコーダ、エンコーダおよび方法
US11228777B2 (en) * 2019-12-30 2022-01-18 Tencent America LLC Method for layerwise random access in a coded video stream
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Also Published As

Publication number Publication date
JP6239732B2 (ja) 2017-11-29
WO2014165730A1 (en) 2014-10-09
KR20150139898A (ko) 2015-12-14
ES2748561T3 (es) 2020-03-17
CN105052156A (zh) 2015-11-11
US9596486B2 (en) 2017-03-14
EP2982129A1 (en) 2016-02-10
KR102084822B1 (ko) 2020-03-04
EP2982129B1 (en) 2019-07-03
US20140301485A1 (en) 2014-10-09
CN105052156B (zh) 2018-04-03
JP2016519509A (ja) 2016-06-30

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