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GB/T 20090.5-2012: Information technology -- Advanced coding of audio and video -- Part 5: Reference software
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Information technology -- Advanced coding of audio and video -- Part 5: Reference software
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GB/T 20090.5-2012
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Basic data | Standard ID | GB/T 20090.5-2012 (GB/T20090.5-2012) | | Description (Translated English) | Information technology -- Advanced coding of audio and video -- Part 5: Reference software | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L71 | | Classification of International Standard | 35.040 | | Word Count Estimation | 17,141 | | Quoted Standard | GB/T 20090.2-2006 | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the meet GB/T 20090. 2 reference software requirements. This is because any standards-compliant software implementation, including the use of the same standard and the same encoded bit stream output file format will output the same | GB/T 20090.5-2012: Information technology -- Advanced coding of audio and video -- Part 5: Reference software
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ICS35.040
L71
National Standards of People's Republic of China
They advanced audio and video coding
Part 5. Reference software
Part 5. Referencesoftware
Issued on. 2013-06-01 2012-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Abbreviations 1
4 1 Video Reference Software
Appendix A (informative) encoding software 2
Annex B (informative) video reference software 3 DETAILS
Foreword
GB/T 20090 "IT advanced audio and video coding" is divided into nine sections.
--- Part 1. System;
--- Part 2. Video;
--- Part 3. Audio;
--- Part 4. Conformance testing;
--- Part 5. Reference software;
--- Part 6. Digital Media Rights Management;
--- Part 7. Mobile Video;
--- Part 8. transmission AVS on the IP network;
Part --- Article 9. AVS file format.
This is Part 5 GB/T 20090 in.
Rules in this section in accordance with GB/T 1.1-2009 given draft.
This part is proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This part of the National Information Technology Standardization Technical Committee (SAC/TC28) centralized.
This section drafted by. Institute of Computing Technology, Tsinghua University, Zhejiang University, Huazhong University of Science and Technology, Beijing University of Technology,
Sun Yat-sen, Huawei Technologies Co., Ltd., Shanghai SVA (Group) Co., Ltd., Academia Sinica, Shanghai Longjing Microelectronics Co., Ltd., Beijing Long
Letter Ka Information Technology Co., Ltd., China Electronics Standardization Institute.
The main drafters of this section. Gao, Huang Tiejun, Wu Feng, Yun Ho, Yu Lu, Liang Fan, Zhaohai Wu, Ma Siwei, Lu Yan, Li Guoping, Zhang Zhiming,
Shen Yanfei, Zhou Minhua TRANSACTIONS Wei, Guo Hongxing, bears gathering, Wang Qiang, Wang Zhiming, Chen Jianwen, Lou Jian, Zhang Kai, Zhang Li, Zhao Debin, Lou Dongsheng.
Introduction
1st, 2nd, 3rd and other parts of GB/T 20090 defines the system and encoding audio and video information, said while this Part
GB/T 20090 2nd, 3rd simulation software tools and other parts of the defined set. The software consists of the standard-setting process in a series of experiments
Syndrome model evolved since Acceptance and added to a reference software tools exist in a delayed, GB/T 20090 its
He was part of the defined tool may not be included in the reference software.
When encoding software exist, it should be noted that these provisions of the encoder only supports syntax elements generated streams. These codes
The performance and not as a measure of quality and computational complexity degree of optimization criteria. At the same time, the encoding side, the tools did not give in this section
The definition.
This section is currently only for GB/T 20090.2-2006, defined with reference to meet GB/T 20090.2-2006 specified requirements
software.
This section gives the contents include the following three categories.
a) elementary stream decoding software definitions given in Chapter 4. This software receives consistent with GB/T 20090.2-2006 basic coding
Streams, then decodes the code stream is generated and the associated elementary stream media format that video. While the reference software
Prescriptive part of the GB/T 20090, it is worth noting that the software employed in the realization of technology is not considered to be prescriptive
--- Because of different implementations may also produce the same result --- the whole reason why the reference software is considered to be prescriptive
And because it can properly implement the decoding process GB/T 20090.2-2006 described.
b) elementary stream encoding software definitions given in Appendix A The software generates elementary stream according to the respective media format (video), that depends
Frequency elementary stream. The software encoder provides a way to get in line with GB/T 20090.2-2006 provisions grammar
Elementary stream. This section does not require coding, while the quality and complexity of these codes This section provides the software is not
Optimized.
Detailed usage c) a description is given with reference to the software are defined in Appendix B of the software can produce characters according to the configuration specified in Appendix
Different encoding conditions combined streams.
They advanced audio and video coding
Part 5. Reference software
1 Scope
This section GB/T 20090 requirements meet GB/T 20090.2 reference software requirements. This is because any standards-compliant
Realization of software, including using the same standard encoded bit stream and output the same file format, will output the same file.
Achieve compliance with GB/T 20090.2 not necessarily strictly follow the reference software algorithms or programming techniques. Decoding software can not exceed
Technical description text GB/T 20090.2 of.
This section applies to digital television broadcasting, interactive multimedia storage media, direct broadcast satellite video services, multimedia messages, packet network
Business, real-time traffic, remote video monitoring application software reference implementation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 20090.2-2006 advanced audio and video coding - Part 2. Video
3 Abbreviations
The following abbreviations apply to this document.
CBR. Constant Bit Rate (ConstantBitRate)
VBR. variable bit rate (VariableBitRate)
4 Video Reference Software
This section gives reference software in accordance with the requirements of GB/T 20090.2-2006 the Commission.
This section gives the file location is relative to the root directory of terms of reference software.
Position Description
ldecod \\ src The software uses the C language
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