ITU-T H.264先进视频编码的参考软件 |
ITU-T H.264.2为ITU-T H.264 | ISO/IEC 14496-10建议书提供了随行参考软件作为电子附件。该软件是| ITU-T H.264.2建议书的组成部分。
本建议书的目的是提供以下内容。
• 参考解码器软件,能够按照
TU-T H.264 | ISO/IEC 14496 10建议书规定的解码程序对符合ITU T H.264 | ISO/IEC 14496 10建议书的比特流进行解码。
• 参考编码器软件,能够产生符合ITU-T H.264 | ISO/IEC 14496 10建议书的比特流。
按照ITU-T H.264 | ISO/IEC 14496 10建议书使用编码或解码器不必使用本参考软件。
ITU-T H.264 | ISO/IEC 14496 10建议书规定的要求优先于参考软件的行为。2009年5月批准的版本对ITU-T H.264 | ISO/IEC 14496 10建议书先进视频编码的参考软件做了改动。改动包括改进了编码器压缩功能、软件漏洞的修补、速度和内存资源利用率的改善、改进软件结构提高了可读性和维护性、增加了对ITU-T H.264建议书新配置文件的支持。新文件源于2007年在ITU-T H.264 | ISO/IEC 14496 10建议书中增加的专业应用的文件集。建议书案文未作修改。
2010年6月批准的本版包含了对编码器压缩功能的完善、软件漏洞的修补、速度和内存资源利用率的提高、改进软件结构提高阅读性和维护性。另外,该本版还包括对可伸缩基线、可伸缩高、可伸缩高内部、多视高和立体高文件的支持。不同软件解决方案还提供了对
ITU-T H.264 | ISO/IEC 14496 10建议书附件G规定的可伸缩文件(可伸缩基线、可伸缩高、可伸缩高内部)以及对ITU-T H.264 | ISO/IEC 14496-10建议书附件H规定的多视文件(多视高和立体高)的支持。
2012年1月批准的版本仅对ITU-T H.264.2建议书的参考软件进行了修改(案文与2010年6月批准的版本相同)。参考软件的修改改进了编码器压缩功能、软件漏洞的修补和速度和内存资源利用率。软件结构得到改进,提高了可阅读性和维护性。
本建议书是和ISO/IEC JTC 1/SC 29/WG 11 (MPEG)联合制定的,对应的是
ISO/IEC 14496-5部分。 |
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Citation: |
https://handle.itu.int/11.1002/1000/11468 |
Series title: |
H series: Audiovisual and multimedia systems H.200-H.499: Infrastructure of audiovisual services H.260-H.279: Coding of moving video |
Approval date: |
2012-01-13 |
Identical standard: | ISO/IEC 14496-5:2012 (Twinned) |
Approval process: | AAP |
Status: |
Superseded |
Maintenance responsibility: |
ITU-T Study Group 16 |
Further details: |
Patent statement(s)
Development history
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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H Suppl. 1 (05/1999)
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Application profile – Sign language and lip-reading real-time conversation using low bit rate video communication
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In force
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here
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here
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here
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H Suppl. 6 (04/2006)
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Control load quantum for decomposed gateways
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In force
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here
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here
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here
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H Suppl. 9 (05/2008)
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Gateway control protocol: Operation of H.248 with H.225.0, SIP, and ISUP in support of emergency telecommunications service (ETS)/international emergency preference scheme (IEPS)
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In force
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here
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here
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here
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H Suppl. 11 (02/2009)
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Analysis of class-based home network QoS solutions
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In force
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here
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here
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here
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H Suppl. 12 (11/2013)
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Gateway control protocol: Priority traffic treatment by ITU-T H.248 gateways
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In force
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here
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here
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here
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H Suppl. 13 (10/2015)
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Gateway control protocol: Common ITU-T H.248 terminology - Release 2
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In force
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here
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here
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here
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H Suppl. 14 (10/2015)
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Gateway control protocol: SDP codepoints for gateway control - Release 2
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In force
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here
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here
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here
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H Suppl. 15 (01/2017)
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Conversion and coding practices for HDR/WCG Y'CbCr 4:2:0 video with PQ transfer characteristics
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In force
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here
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here
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here
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H Suppl. 17 (11/2014)
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Guide for addressing accessibility in standards
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In force
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here
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here
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here
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H Suppl. 18 (10/2017)
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Signalling, backward compatibility and display adaptation for HDR/WCG video coding
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In force
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here
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here
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here
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H Suppl. 19 (04/2021)
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Usage of video signal type code points
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In force
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here
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here
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here
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Title |
Approved on |
Download |
Testing of personal audio systems for compliance with ITU-T H.870 (2018)
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2024
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Testing of personal audio systems for compliance with ITU-T H.870 (2018)
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2021
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here
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Working practices using objective metrics for evaluation of video coding efficiency experiments
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2020
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here
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Media coding toolbox for IPTV: Audio and video codecs
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2016
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here
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Telecommunications Accessibility Checklist
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2006
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here
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