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22nd Meeting: by teleconference, April 2021 2021-04-20 15:16
JVET AHG report: Test model software development (AHG3)
Authors: Frank Bossen Xinwei Li Karsten Sühring Karl Sharman Vadim Seregin Jens-Rainer Ohm
Abstract
This report summarizes the activities of the AhG3 on Test model software development that has taken place between the 21st and 22nd JVET meetings.
Meeting Notes
JVET-V0003 JVET AHG report: Test model software development (AHG3) [F. Bossen, X. Li, K. Sühring, K. Sharman, V. Seregin]

The software model versions prior to the start of the meeting were:

  • VTM 12.1 (Mar. 2021)
  • HM-16.23 (Mar. 2021)
  • HM-16.21+SCM-8.8 (Mar. 2020)
  • SHM 12.4 (Jan. 2018)
  • HTM 16.3 (Jul. 2018)
  • JM 19.0
  • JSVM 9.19.15
  • JMVC 8.5
  • 3DV ATM 15.0 (no version history)
  • HDRTools 0.21 (Jan. 2021)

Software for MFC and MFCD is only available published by ITU-T and ISO/IEC. It is planned to create repositories with the latest versions available in ITU-T H.264.2 (02/2016). All development history is lost.

Software development

Development was continued on the GitLab server, which allows participants to register accounts and use a distributed development workflow based on git.

The server is located at:

https://vcgit.hhi.fraunhofer.de

The registration and development workflow are documented at:

https://vcgit.hhi.fraunhofer.de/jvet/VVCSoftware_VTM/wikis/VVC-Software-Development-Workflow

Although the development process is described in the context of the VTM software, it can be applied to all other software projects hosted on the GitLab server as well.

Only SHM and HTM are still located in subversion repositories. It is suggested to convert and move these repositories to GitLab as well.

VTM related activities

The VTM software can be found at

https://vcgit.hhi.fraunhofer.de/jvet/VVCSoftware_VTM/

The software development continued on the GitLab server. VTM versions 11.1 and 11.2 were tagged on Jan. 15 and Jan. 18, and VTM version 12.0 was tagged on Feb. 16. VTM version 12.1 was tagged on Mar 31. VTM...

References:
JCTVC-AJ0028 JCTVC-AM0023 JVET-Q0112 JVET-Q0154 JVET-Q0164 JVET-Q0402 JVET-Q0443 JVET-R0046 JVET-R0065 JVET-R0178 JVET-R0191 JVET-R0193 JVET-R0221 JVET-R0222 JVET-R0264 JVET-S0042 JVET-S0077 JVET-S0095 JVET-S0096 JVET-S0100 JVET-S0102 JVET-S0117 JVET-S0118 JVET-S0139 JVET-S0140 JVET-S0141 JVET-S0142 JVET-S0144 JVET-S0145 JVET-S0147 JVET-S0154 JVET-S0157 JVET-S0159 JVET-S0171 JVET-S0173 JVET-S0174 JVET-S0175 JVET-S0176 JVET-S0196 JVET-S0198 JVET-S0223 JVET-S0227 JVET-S0256 JVET-T0050 JVET-T0053 JVET-T0055 JVET-U0081 JVET-U0082 JVET-U0084 JVET-U0085 JVET-U0086 JVET-U0097 JVET-U0103 JVET-U2018
Cited:
JVET-V2020 JVET-W2020
ARCHIVE v1 :
._HM-16.23_vs_VTM-12.1.xlsm ._JVET-V0003-v1.docx ._VTM-11.0_vs_VTM_12.1.xlsm HM-16.23_vs_VTM-12.1.xlsm JVET-V0003-v1.docx VTM-11.0_vs_VTM_12.1.xlsm
Decisions
noted
It was noted that there is a document JVET-U0079 that proposes substantial cleanup of the software.
Citation
21st Meeting: by teleconference, January 2021 2021-01-06 06:21
JVET AHG report: Test model software development (AHG3)
Authors: Frank Bossen Xinwei Li Karsten Sühring Karl Sharman Vadim Seregin Alexis M. Tourapis Jens-Rainer Ohm
Abstract
This report summarizes the activities of the AhG3 on Test model software development that has taken place between the 20th and 21st JVET meetings.
Meeting Notes
JVET-U0003 JVET AHG report: Test model software development (AHG3) [F. Bossen, X. Li, K. Sühring, K. Sharman, V. Seregin, A. Tourapis]

The mandates given to the AHG were:

  • Coordinate development of test model (VTM, HM, SCM, SHM, HTM, MFC, MFCD, JM, JSVM, JMVM, 3DV-ATM, and HDRTools) software and associated configuration files.
  • Produce documentation of software usage for distribution with the software.
  • Enable software support for recently standardized additional SEI messages.
  • Discuss and make recommendations on the software development process.
  • Propose improvements to the guideline document for developments of the test model software.
  • Perform tests of test model behaviour using common test conditions.
  • Suggest configuration files for additional testing of tools.
  • Investigate how to minimize the number of separate codebases maintained for group reference software.
  • Coordinate with AHG on Draft text and test model algorithm description editing (AHG2) to identify any mismatches between software and text, and make further updates and cleanups to the software as appropriate.
  • Coordinate with AHG6 for integration with 360lib software.

The software model versions prior to the start of the meeting were:

  • VTM 11.0 (Nov. 2020)
  • HM-16.22 (Jul. 2020)
  • HM-16.21+SCM-8.8 (Mar. 2020)
  • SHM 12.4 (Jan. 2018) [svn]
  • HTM 16.3 (Jul. 2018) [svn]
  • JM 19.0
  • JSVM 9.19.15
  • JMVC 8.5
  • 3DV ATM 15.0 (no version history)
  • HDRTools 0.19.1 (Sep. 2019)

Software for MFC and MFCD is only available in the version published by ITU-T and ISO/IEC. It is planned to create repositories with the latest versions available in ITU-T H.264.2 (02/2016)....

References:
JCTVC-AJ0028 JCTVC-AM0023 JVET-Q0112 JVET-Q0154 JVET-Q0164 JVET-Q0402 JVET-Q0443 JVET-R0046 JVET-R0065 JVET-R0068 JVET-R0070 JVET-R0073 JVET-R0178 JVET-R0191 JVET-R0193 JVET-R0221 JVET-R0222 JVET-R0227 JVET-R0249 JVET-R0251 JVET-R0255 JVET-R0264 JVET-R0266 JVET-R0481 JVET-S0042 JVET-S0047 JVET-S0050 JVET-S0077 JVET-S0078 JVET-S0084 JVET-S0090 JVET-S0095 JVET-S0096 JVET-S0097 JVET-S0100 JVET-S0102 JVET-S0110 JVET-S0115 JVET-S0121 JVET-S0138 JVET-S0139 JVET-S0140 JVET-S0141 JVET-S0142 JVET-S0144 JVET-S0145 JVET-S0147 JVET-S0154 JVET-S0158 JVET-S0159 JVET-S0162 JVET-S0163 JVET-S0171 JVET-S0172 JVET-S0173 JVET-S0174 JVET-S0175 JVET-S0176 JVET-S0196 JVET-S0202 JVET-S0208 JVET-S0210 JVET-S0211 JVET-S0212 JVET-S0219 JVET-S0227 JVET-S0256 JVET-T0050 JVET-T0053 JVET-T0055 JVET-T0061 JVET-T0062 JVET-T0064 JVET-T0065 JVET-T0091 JVET-T2018
ARCHIVE v1 :
._hm-16.22_vs_VTM-11.0.xlsm ._JVET-U0003-v1.docx ._VTM-10.2_vs_VTM-11.0.xlsm hm-16.22_vs_VTM-11.0.xlsm JVET-U0003-v1.docx VTM-10.2_vs_VTM-11.0.xlsm
Decisions
noted
It is noted that scalable bitstreams can be generated (including spatial scalablity and multiview), but it is not known how efficient those are.
Citation
20th Meeting: by teleconference, October 2020 2020-10-07 08:59
JCT-VC AHG report: Software development and software technical evaluation (AHG3)
Authors: Karsten Sühring Bin Li Karl Sharman Vadim Seregin G. Tech Alexis M. Tourapis Jens-Rainer Ohm
Abstract
This report summarizes the activities of the JCT-VC AhG on HEVC, AVC and HDRTools software development and software technical evaluation that have taken place between the 39th and 40th JCT-VC meetings.
Meeting Notes
JVET-T0023 JCT-VC AHG report: Software development and software technical evaluation (AHG3) [K. Sühring, B. Li, K. Sharman, V. Seregin, G. Tech, A. Tourapis]

This AHG report was discussed at 0605 Friday 9 October 2020 (chaired by GJS & JRO).

This report summarizes the activities of the JCT-VC AhG on HEVC, AVC and HDRTools software development and software technical evaluation that have taken place between the 39th and 40th JCT-VC meetings.

There had not been any releases of software during the reporting period.

The software model versions prior to the start of the meeting were:

A repository containing MFC and MFCD had not been identified.

Post-meeting note: MFC and MFCD software Zip packages are published as part of Rec. ITU-T H.264.2 (02/2016) at https://www.itu.int/rec/T-REC-H.264.2, and are presumably also available in the corresponding ISO/IEC publication.

HM related activities

HM16.22 was tagged on July 3, 2020. Changes included:

  • JCTVC-AK0030 (Change to random-access encoder configuration).
  • Changes to LowDelay GOP-8 QP structure to match those used by VTM.
  • JCTVC-AK1005 (Shutter interval information SEI)
  • Additional checks to warn if DPB limits would be exceeded by a configuration.
  • Porting of JVET’s parcat software for concatenating simulations run in parallel.
  • R...
References:
JCTVC-AJ0028 JCTVC-AK0030 JCTVC-AK1005 JCTVC-AM0003 JCTVC-AM0023
ARCHIVE v1 :
._JVET-T0023-v1.docx JVET-T0023-v1.docx
Decisions
merged
It was suggested to merge the two software maintenance AHGs.
Citation
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