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GB/T 33475.2-2024 English PDF

GB/T 33475.2: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 33475.2-2024RFQ ASK 3 days Information technology - High efficiency multimedia coding - Part 2: Video Valid
GB/T 33475.2-2016RFQ ASK 20 days Information technology -- High efficiency media coding -- Part 2: Video Obsolete

Similar standards

GB/T 38663   GB/T 37036.3   GB/T 37036.2   GB/T 33475.6   GB/T 33475.7   GB/T 33475.5   

Basic data

Standard ID: GB/T 33475.2-2024 (GB/T33475.2-2024)
Description (Translated English): Information technology - High efficiency multimedia coding - Part 2: Video
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L71
Word Count Estimation: 274,298
Date of Issue: 2024-05-28
Date of Implementation: 2024-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 33475.2-2024: Information technology - High efficiency multimedia coding - Part 2: Video

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 35.040 CCSL71 National Standards of People's Republic of China Replaces GB/T 33475.2-2016 Information Technology Efficient Multimedia Coding Part 2.Video Part 2.Video Released on 2024-05-28 2024-12-01 implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 8 5 Agreement 8 6 Structure of the coded bitstream 16 7 Bitstream Syntax and Semantics 21 8 Parsing process 104 9 Decoding Process 141 Appendix A (Normative) Pseudo Start Code Method 228 Appendix B (Normative) Grades and Levels 229 Appendix C (Normative) Bitstream Reference Buffer Management 243 Appendix D (Normative) Weighted Quantization Matrix 247 Appendix E (Informative) Reference Implementation Method for Reconstructing Video Signals in a High Dynamic Range Constant Brightness System 248 Appendix F (Informative) High Dynamic Range Scene Brightness Fidelity Photoelectric Transfer Function 250 Appendix G (Informative) Color Conversion Methods 252 Appendix H (Informative) Single Viewpoint Texture Depth Stitching Method 253 Appendix I (Normative) Scanning Table 258 Appendix J (Informative) Advanced Entropy Encoder and Decoder Reference Description Method 262

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document is Part 2 of GB/T 33475 "Information Technology Efficient Multimedia Coding". GB/T 33475 has been published as follows part. --- Part 1.System; --- Part 2.Video; --- Part 3.Audio; --- Part 4.Compliance test; --- Part 5.Reference software; --- Part 6.Intelligent Media Transport; --- Part 7.Image file formats. This document replaces GB/T 33475.2-2016 "Information technology - efficient multimedia coding - Part 2.Video" and GB/T 33475.2- Compared with.2016, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added the terms "viewpoint", "disparity vector", "inter-view coding", "inter-view motion vector" (see 3.49, 3.50, 3.51, 3.54), changed The terms "layer", "image", "sample aspect ratio" and "run length" are changed (see 3.13, 3.61, 3.69, 3.72,.2016 edition 3.13, 3.53, 3.61, 3.63); ---Added multi-view profile based on inter-view prediction and 3D profile based on depth map coding (see 6.1.3, 7.1, 7.2, 9.6.3, 9.6.6, 9.6.7, 9.6.8, 9.6.9, 9.6.11, 9.6.12, 9.6.16, Appendix H); ---Added HDR dynamic metadata extension (see 7.1.2.5); --- Added skip transform quantization technology and lossless 16-bit 4.4.4 profile (see 7.1.7, 8.3.4, 9.7.1, Appendix B); --- Added general string prediction technology and advanced 8-bit 4.4.4 video profile (see 7.1.9, 7.2, 9.6.9, 9.10, Appendix B.2); --- Added bit depth and sampling format extensions (see 7.2.2, Appendix G); --- Changed the benchmark level (see Appendix B, Appendix B of the.2016 edition), changed the sample precision and BitDepth (see 7.2.2, 9.6.2, 7.2.2 and 9.6.2 of the.2016 edition), the maximum number of binary digits of the largest coding unit and other related parts have been changed (see 7.2.4, 7.2.4 of the.2016 edition); --- Added advanced scene level based on background frame technology (see 7.2.3, 9.3, Appendix B). This document was proposed and coordinated by the National Technical Committee for Information Technology Standardization (SAC/TC28). This document was drafted by. Peking University, Zhejiang University, Beijing Samsung Telecommunications Technology Research Co., Ltd., Shenzhen HiSilicon Semiconductor Co., Ltd. Ltd., Zhongguancun Audiovisual Industry Technology Innovation Alliance, Tsinghua University, Realtek Semiconductor (Shenzhen) Co., Ltd., Peking University Shenzhen Graduate School, Shenzhen University of Science and Technology, Morningstar Software R&D (Shenzhen) Co., Ltd., Shanghai University, University of Chinese Academy of Sciences, MediaTek Bodong Technology (Beijing) Co., Ltd. Shanghai Guomao Digital Technology Co., Ltd., University of Science and Technology of China, Sun Yat-sen University, Jiexun Mobile Technology (China) Co., Ltd., American Bo Shanghai Telecommunications Technology Co., Ltd., Harbin Institute of Technology, Institute of Computing Technology, Chinese Academy of Sciences, National Cheng Kung University, Shanghai Zhaoxin Group Cheng Circuit Co., Ltd., Wuhan University, Shanghai Jiao Tong University, Hong Kong University of Science and Technology, Tongji University, and Shaoxing University of Arts and Sciences. The drafters of this document are. Gao Wen, Huang Tiejun, Sheng Zhifan, Yu Lu, Zheng Xiaozhen, Ma Siwei, Zheng Jianhua, Liang Fan, He Yun, He Zhichu, Guo Xiaoqiang, Dong Wenhui, Yu Qin, Li Weiran, Chen Jie, Li Shanyi, Park Yinji, Shao Zhenjiang, Wang Ronggang, Tong Yixin, Lin Heyuan, Zhao Haiwu, Zhang Xianguo, Jiang Xiaolong, Ling Yong, Zhu Xingguo, Dong Siwei, Yu Quanhe, He Dake, Liu Lingzhi, Zhou Minhua, Zeng Weimin, Lin Zhenan, Sun Jun, Chen Fangdong, Lin Tao, Wang Shuhui, Zhou Kailun, Zhao Liping, Jin Xin, Wang Tanshe, Fan Xiaopeng, Chen Zhenzhong, Ma Ji, Zhang Na, Wang Dadong, Li Yiming, Li Qisheng, Mao Qi, Yang Jiahui, Cui Jing, Shi Xuefeng, Lu Yiran, Jia Chuanmin, Zhang Yuhuai, Zhao Haiying. The previous versions of this document and the documents it replaces are as follows. ---First published in.2016 as GB/T 33475.2-2016; ---This is the first revision.

Introduction

GB/T 33475 aims to establish methods for efficient compression of digital audio and video media and is intended to consist of seven parts. --- Part 1.System. The purpose is to establish a system layer coding method for digital audio and video media. --- Part 2.Video. The purpose is to establish efficient video compression methods. --- Part 3.Audio. The purpose is to establish efficient audio compression methods. --- Part 4.Conformance test. The purpose is to determine how to test and verify the coded bit stream and decoder. Required reference software. --- Part 6.Intelligent Media Transport. The purpose is to specify intelligent media for multimedia data transmission in heterogeneous packet switching networks. Transmission technology. --- Part 7.Picture file format. The purpose is to specify the syntax description, semantic description, Package definition. The issuing organization of this document calls attention to the fact that when declaring compliance with this document, it may involve 3.6, 4, 6, 6.1.3, 6.4, 7.1, 7.1.2.1, 7.1.2.2, 7.1.3, 7.1.3.1, 7.1.3.2, 7.1.4, 7.1.5, 7.1.6, 7.1.7, 7.2, 7.2.2.2, 7.2.3.2, 7.2.3.1, 7.2.3.2, 7.2.4, 7.2.5, 7.2.6, 7.2.7, 8.3, 8.3.3, 8.3.3.2.1, 8.3.4, 8.3.4.1, 9.1, 9.2, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5, 9.4, 9.5, 9.5.3, 9.5.5, 9.5.6, 9.5.8, 9.5.8.2, 9.5.8.4, 9.6, 9.6.2, 9.6.3, 9.7, 9.8, 9.8.2, 9.8.3, 9.9, 9.10, 9.11, 9.12, 9.14, 9.15, 9.16 Use of the following 133 patents related to digital video coding and decoding technology in Appendix A, Appendix G, Appendix D and Appendix F. Patents The names are as follows. 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