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 (enExample)
EP (1) EP2982129B1 (enExample)
JP (1) JP6239732B2 (enExample)
KR (1) KR102084822B1 (enExample)
CN (1) CN105052156B (enExample)
ES (1) ES2748561T3 (enExample)
HU (1) HUE044639T2 (enExample)
WO (1) WO2014165730A1 (enExample)

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US9674533B2 (en) 2013-04-05 2017-06-06 Qualcomm Incorporated Picture alignments in multi-layer video coding
US10003815B2 (en) * 2013-06-03 2018-06-19 Qualcomm Incorporated Hypothetical reference decoder model and conformance for cross-layer random access skipped pictures
WO2015056182A2 (en) 2013-10-15 2015-04-23 Nokia Technologies Oy Video encoding and decoding
WO2015105399A1 (ko) * 2014-01-13 2015-07-16 삼성전자 주식회사 멀티 레이어 비디오 부호화 방법 및 장치, 멀티 레이어 비디오 복호화 방법 및 장치.
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
US20160119619A1 (en) * 2014-10-27 2016-04-28 Ati Technologies Ulc Method and apparatus for encoding instantaneous decoder refresh units
CN107431819B (zh) * 2014-12-31 2022-02-01 诺基亚技术有限公司 用于视频解码的方法、装置、计算机可读存储介质及视频解码器
US9973562B2 (en) 2015-04-17 2018-05-15 Microsoft Technology Licensing, Llc Split processing of encoded video in streaming segments
CN106303673B (zh) * 2015-06-04 2021-01-22 中兴通讯股份有限公司 码流对齐、同步处理方法及发送、接收终端和通信系统
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
US10554711B2 (en) * 2016-09-29 2020-02-04 Cisco Technology, Inc. Packet placement for scalable video coding schemes
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
ES3031245T3 (en) * 2019-01-04 2025-07-07 Huawei Tech Co Ltd Sub-picture based random access
EP4246980A3 (en) 2019-03-11 2023-12-27 Huawei Technologies Co., Ltd. Mixed nal unit type picture constraints
US11539957B2 (en) * 2019-06-20 2022-12-27 Tencent America LLC Layered random access with reference picture resampling
KR102874357B1 (ko) * 2019-07-03 2025-10-20 후아웨이 테크놀러지 컴퍼니 리미티드 참조 화상 목록 내의 참조 화상의 유형
WO2021007225A1 (en) * 2019-07-08 2021-01-14 Futurewei Technologies, Inc. Mixed nal unit picture constraints in video coding
PH12022550518A1 (en) * 2019-09-03 2023-03-20 Fraunhofer Ges Zur Fa¶Rderung Der Angewandten Forschung E V Configurable nal and slice code point mechanism for stream merging
CA3164485A1 (en) * 2019-12-20 2021-06-24 Fraunhofer-Gesellschaft Zur Forderung 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
EP4104428A4 (en) * 2020-03-16 2023-05-03 ByteDance Inc. DIRECT ACCESS POINT ACCESS UNIT IN SCALABLE VIDEO ENCODING
KR20220157455A (ko) * 2020-03-20 2022-11-29 인터디지털 브이씨 홀딩스 프랑스 이미지 인코딩 및 디코딩을 위한 방법 및 디바이스
CN116057932A (zh) * 2020-06-06 2023-05-02 Lg电子株式会社 基于层信息信令的图像编码设备和方法
US11917174B2 (en) * 2020-06-08 2024-02-27 Qualcomm Incorporated Decoded picture buffer (DPB) operations and access unit delimiter (AUD)
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US11770498B2 (en) 2020-09-29 2023-09-26 Lemon Inc. Supplemental enhancement information for multi-layer video streams
CN118870019A (zh) * 2023-04-28 2024-10-29 华为技术有限公司 编解码方法及装置

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CN102106156B (zh) * 2008-07-26 2013-06-19 汤姆逊许可证公司 使用可分级视频编码(svc)的用于快速信道改变的实时传输协议(rtp)打包方法
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Also Published As

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

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