ISO/IEC 23002-4:2010/Amd 1:2011
(Amendment)Information technology — MPEG video technologies — Part 4: Video tool library — Amendment 1: Video tool library conformance and reference software
Information technology — MPEG video technologies — Part 4: Video tool library — Amendment 1: Video tool library conformance and reference software
Technologies de l'information — Technologies vidéo MPEG — Partie 4: Bibliothèque d'outils vidéo — Amendement 1: Logiciel de référence et conformité à la bibliothèque d'outils vidéo
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INTERNATIONAL ISO/IEC
STANDARD 23002-4
First edition
2010-01-15
AMENDMENT 1
2011-08-01
Information technology — MPEG video
technologies —
Part 4: Video tool library
AMENDMENT 1: Video tool library
conformance and reference software
Technologies de l'information — Technologies vidéo MPEG —
Partie 4: Bibliothèque d'outils vidéo
AMENDEMENT 1: Logiciel de référence et conformité à la bibliothèque
d'outils vidéo
Reference number
ISO/IEC 23002-4:2010/Amd.1:2011(E)
©
ISO/IEC 2011
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ISO/IEC 23002-4:2010/Amd.1:2011(E)
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ISO/IEC 23002-4:2010/Amd.1:2011(E)
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INTERNATIONAL ISO/IEC
STANDARD 23002-4
First edition
2010-01-15
AMENDMENT 1
2011-08-01
Information technology — MPEG video
technologies —
Part 4:
Video tool library
AMENDMENT 1: Video tool library
conformance and reference software
Technologies de l'information — Technologies vidéo MPEG —
Partie 4: Bibliothèque d'outils vidéo
AMENDEMENT 1: Logiciel de référence et conformité à la bibliothèque
d'outils vidéo
Reference number
ISO/IEC 23002-4:2010/Amd.1:2011(E)
©
ISO/IEC 2011
---------------------- Page: 1 ----------------------
ISO/IEC 23002-4:2010/Amd.1:2011(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2011
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
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Published in Switzerland
ii © ISO/IEC 2011 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/IEC 23002-4:2010/Amd.1:2011(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
Amendment 1 to ISO/IEC 23002-4:2010 was prepared by Joint Technical Committee ISO/IEC JTC 1,
Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia
information.
© ISO/IEC 2011 – All rights reserved iii
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ISO/IEC 23002-4:2010/Amd.1:2011(E)
Information technology — MPEG video technologies —
Part 4:
Video tool library
AMENDMENT 1: Video tool library conformance and reference
software
After 7.3, add the following:
8 Conformance testing for MPEG-C Part 4 (ISO/IEC 23002-4)
8.1 Scope
In RVC conformance testing, two steps should be performed. The first step is for the FU verification before
proceeding to the conformance testing at the CODEC Level.
■ FU verification stage: this stage is to verify if the FU implementation is correct and the behavior
corresponds to the one of the VTL. This is a necessary step before passing to the codec level
conformance.
■ The verification of FU consist of testing input/output patterns and compare them with the one of
the standard VTL.
8.2 Testing environment, test input patterns and golden responses
FUs in RVC are specified as actors in the standard RVC-CAL language, where the behavior of the FUs
depends on the input tokens and the internal state of the actors. Taking as reference the RVC-CAL reference
SW implementation the verification processes of the FUs should be performed by feeding tokens to the FUs
and checking the corresponding output tokens, since the functional units by definition and construction are
independent entities that communicate with the external world only by exchanging I/O tokens.
The testbed is composed of the test input pattern database, the golden response database, and the automatic
comparison and analysis unit. The test input pattern database contains the test patterns or tokens to feed the
functional unit under verification or testing for different purposes.
© ISO/IEC 2011 – All rights reserved 1
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ISO/IEC 23002-4:2010/Amd.1:2011(E)
Testbed
Test patterns
Functional unit
under verification
Golden response
Comparison Analysis
Figure AMD1.1 — Conformance testbed of functional units
Test input patterns and the corresponding golden responses or expected output tokens to and from the FUs
are generated from the corresponding RVC reference software.
8.3 List of functional units and contributors for the verification tests of the FU included in
the VTL
8.3.1 Syntax Parsing
RVC
FU Name simulation Contributor
model
Algo_ SynP_Generic EPFL/Xilinx/iNSA
8.3.2 Syntax Parsing FU for MPEG-4 Simple Profile
RVC
FU Name simulation Contributor
model
Algo_MVR_MedianOfThreeLeftAndTopAndTopRight EPFL/Xilinx/iNSA/HYU
Algo_MVSequence_LeftAndTopAndTopRight EPFL/Xilinx/iNSA/HYU
Mgnt_Splitter_420_TYPE EPFL/Xilinx
Algo_VLDtableB6_MPEG4Part2 EPFL/Xilinx
Algo_VLDtableB7_MPEG4Part2 EPFL/Xilinx
Algo_VLDtableB8_MPEG4Part2 EPFL/Xilinx
Algo_VLDtableB12_MPEG4Part2 EPFL/Xilinx
Algo_VLDtableB13_MPEG4Part2 EPFL
...
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