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GB/T 33475.1-2019: Information technology -- High efficiency media coding -- Part 1: System
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Information technology -- High efficiency media coding -- Part 1: System
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GB/T 33475.1-2019
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Basic data | Standard ID | GB/T 33475.1-2019 (GB/T33475.1-2019) | | Description (Translated English) | Information technology -- High efficiency media coding -- Part 1: System | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L71 | | Classification of International Standard | 35.040 | | Word Count Estimation | 66,628 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 33475.1-2019: Information technology -- High efficiency media coding -- Part 1: System---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.
Information technology - High efficiency media coding - Part 1. System
ICS 35.040
L71
National Standards of People's Republic of China
Information technology efficient multimedia coding
Part 1. System
Part 1. System
Published on.2019-08-30
2020-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Abbreviations 3
5 Convention 3
6 Architecture 4
7 Media Presentation Description 5
8 fragment 39
9 Content Security 41
Appendix A (Normative) Media Presentation Description Structure 49
Appendix B (informative) Media presentation XML encryption describing confidential elements and attributes 59
Appendix C (informative appendix) XML presentation of the media presentation description 61
Foreword
GB/T 33475 "Information Technology Efficient Multimedia Coding" consists of three parts.
--- Part 1. System;
--- Part 2. Video;
--- Part 3. Audio.
This part is the first part of GB/T 33475.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part is proposed and managed by the National Information Technology Standardization Technical Committee (SAC/TC28).
This section drafted by. Beijing University of Technology, Peking University, Huawei Technologies Co., Ltd., ZTE Corporation, Shanghai Transportation
University, Institute of Computing Technology, Chinese Academy of Sciences, Shanghai University.
The main drafters of this section. Yan Luntian, Zhang Xinggong, Wang Xin, Liu Yongliang, Liu Li, Huang Cheng, Xu Yiling, Zhou Chao, Guo Zongming, Chen Xilin,
Zhao Haiwu, Huang Tiejun, Gao Wen.
Introduction
The issuing body of this document draws attention to the fact that, in conformity with this document, it may involve the following 16 items in 7.3.5, 7.3.6, 7.6.4.4, and 9.3.
The use of patents related to digital video codec technology. The patent application number and name are as follows.
Serial number patent application number patent name
1.201410284776.0 AVS-DASH system multimedia information insertion control method, system and client
2.201410284163.7 AVS-DASH system multimedia information insertion control method, system and client
3.201480058430.7
A method for sending and verifying URL signatures for adaptive streaming URL authentication and URL-based content access
Asking for authorized systems and methods
4.201380036131.9 Indicating and handling content encryption and rights management in content transfer and delivery
5.201380022294.1 System and method for segmentation encryption and key derivation representing adaptive streaming
6.201510685468.3 Media data processing method and device thereof
7.201110069265.3 Media data processing method and device thereof
8.201380022345.0 System and method for effectively supporting short encryption intervals in template mode
9.201010208033.7 Metadata file update method, device and system
10.201480002577.4 URL parameter insertion and addition in adaptive stream
11.201210049224.2 Method and device for acquiring program information
12.201480028544.7 System and method for effectively controlling client behavior in adaptive streaming media
13.201580002929.0 Client behavior control in adaptive stream files
14.201480025571.9 System and method for spatial adaptation in adaptive streaming media
15.201480028558.9 Instant indirect reference of remote elements in dynamic adaptive streaming based on hypertext transfer protocol
16.201510113122.6 Adaptive streaming media processing method and device
The issuing organization of this document does not have any position on the authenticity, validity and scope of the above patents.
The above patent holders have assured the issuing authority of this document that they are willing to work with any applicant on reasonable and non-discriminatory terms and conditions.
Negotiate on patent licensing. The above patent holder’s statement has been filed with the issuing authority of this document, and relevant information can be
Get the following contact information.
Contact. Huang Tiejun (Secretary-General of Digital Audio Video Codec Technical Standard Working Group)
Address. Room 2641, Building 2, Science, Peking University
Postal code. 100871
Email. [email protected]
Phone. 8610-62756172
Fax. 8610-62751638
Please note that in addition to the above patents, certain aspects of this document may still involve patents. The issuing organization of this document does not undertake to identify these special
Liability.
Information technology efficient multimedia coding
Part 1. System
1 Scope
This part of GB/T 33475 specifies system layer conventions, architecture, media presentation descriptions, fragments, content security for efficient multimedia coding.
And other aspects.
This section applies to applications such as web streaming, web TV, and video on demand.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 17975.1 Information technology - General coding for motion pictures and associated audio information - Part 1
GB/T 20090.1 Advanced Audio and Video Coding for Information Technology Part 1. System
GB/T 32907-2016 Information Security Technology SM4 Block Cipher Algorithm
ISO /IEC 13818-1 Information technology - Generic coding of moving pictures and associated audio information - Part 1
technology-Genericcodingofmovingpicturesandassociatedaudioinformation-Part 1.Systems)
ISO /IEC 23009-1 HTTP-based dynamic adaptive streaming [DynamicadaptivestreamingoverHTTP
(DASH)]
IETFRFC1738 Uniform Resource Locator [Uniformresourcelocators(URL)]
IETFRFC2616 HTTP Protocol 1.1 (Hypertexttransferprotocol-HTTP/1.1)
IETFRFC3986 Uniform Resource Identifier. Generic Syntax [Uniformresourceidentifier(URI). Genericsyn-
Tax]
IETFRFC4288 Media Type Declaration and Registration Procedure (Mediatypespecificationsandregistrationproce-
Dures)
IETFRFC5261 Extensible Markup Language Patch Operation Framework using XML Path Language [Anextensiblemarkup
Language(XML)patchoperationsframeworkutilizingXMLpathlanguage(XPath)Selectors]
IETFRFC5646 Language Identifier (Tagsforidentifyinglanguages)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Adaptive set adaptationset
A collection of multiple replaceable encoded versions of the same media content.
3.2
Authenticity label authenticationtag
A password checksum of data used to detect unexpected errors and intentional modifications to the data.
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