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    ITU-T H 265 1-2014 Conformance specification for ITU-T H 265 high efficiency video coding (Study Group 16)《ITU-T H 265高效视频编码一致性规范》.pdf

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    ITU-T H 265 1-2014 Conformance specification for ITU-T H 265 high efficiency video coding (Study Group 16)《ITU-T H 265高效视频编码一致性规范》.pdf

    1、 I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n ITU-T H.265.1 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (10/2014) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services Coding of moving video Conformance specification for ITU-T H.265 high eff

    2、iciency video coding Recommendation ITU-T H.265.1 ITU-T H-SERIES RECOMMENDATIONS AUDIOVISUAL AND MULTIMEDIA SYSTEMS CHARACTERISTICS OF VISUAL TELEPHONE SYSTEMS H.100H.199 INFRASTRUCTURE OF AUDIOVISUAL SERVICES General H.200H.219 Transmission multiplexing and synchronization H.220H.229 Systems aspect

    3、s H.230H.239 Communication procedures H.240H.259 Coding of moving video H.260H.279 Related systems aspects H.280H.299 Systems and terminal equipment for audiovisual services H.300H.349 Directory services architecture for audiovisual and multimedia services H.350H.359 Quality of service architecture

    4、for audiovisual and multimedia services H.360H.369 Telepresence H.420H.429 Supplementary services for multimedia H.450H.499 MOBILITY AND COLLABORATION PROCEDURES Overview of Mobility and Collaboration, definitions, protocols and procedures H.500H.509 Mobility for H-Series multimedia systems and serv

    5、ices H.510H.519 Mobile multimedia collaboration applications and services H.520H.529 Security for mobile multimedia systems and services H.530H.539 Security for mobile multimedia collaboration applications and services H.540H.549 Mobility interworking procedures H.550H.559 Mobile multimedia collabor

    6、ation inter-working procedures H.560H.569 BROADBAND, TRIPLE-PLAY AND ADVANCED MULTIMEDIA SERVICES Broadband multimedia services over VDSL H.610H.619 Advanced multimedia services and applications H.620H.629 Ubiquitous sensor network applications and Internet of Things H.640H.649 IPTV MULTIMEDIA SERVI

    7、CES AND APPLICATIONS FOR IPTV General aspects H.700H.719 IPTV terminal devices H.720H.729 IPTV middleware H.730H.739 IPTV application event handling H.740H.749 IPTV metadata H.750H.759 IPTV multimedia application frameworks H.760H.769 IPTV service discovery up to consumption H.770H.779 Digital Signa

    8、ge H.780H.789 E-HEALTH MULTIMEDIA SERVICES AND APPLICATIONS Interoperability compliance testing of personal health systems (HRN, PAN, LAN and WAN) H.820H.859 Multimedia e-health data exchange services H.860H.869 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T H.265

    9、.1 (10/2014) i Recommendation ITU-T H.265.1 Conformance specification for ITU-T H.265 high efficiency video coding Summary Recommendation ITU-T H.265.1 “Conformance specification for ITU-T H.265 high efficiency video coding“ specifies tests for (non-exhaustive) testing to verify whether bitstreams a

    10、nd decoders meet the normative requirements specified in Rec. ITU-T H.265 | ISO/IEC 23008-2. The bitstreams provided in this Recommendation correspond to the 04-2013 version of Rec. ITU-T H.265 | ISO/IEC 23008-2. This Recommendation was developed jointly with ISO/IEC JTC 1/SC 29/WG 11 (MPEG) and cor

    11、responds in a technically aligned manner to ISO/IEC 23008-8. The conformance bitstreams needed for this Recommendation are available at the following link: http:/handle.itu.int/11.1002/2000/12297. History Edition Recommendation Approval Study Group Unique ID* 1.0 ITU-T H.265.1 2014-10-14 16 11.1002/

    12、1000/12297 _ * To access the Recommendation, type the URL http:/handle.itu.int/ in the address field of your web browser, followed by the Recommendations unique ID. For example, http:/handle.itu.int/11.1002/1000/11830-en. ii Rec. ITU-T H.265.1 (10/2014) FOREWORD The International Telecommunication U

    13、nion (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions

    14、 and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on

    15、these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the e

    16、xpression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or appli

    17、cability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with t

    18、he Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTSITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicabi

    19、lity of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement

    20、 this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2015 All rights reserved. No part of this publication may be reproduced, by any means

    21、whatsoever, without the prior written permission of ITU. Rec. ITU-T H.265.1 (10/2014) iii CONTENTS Page 1 Scope 1 2 Normative references 1 2.1 General 1 2.2 Identical Recommendations | International Standards 1 2.3 Paired Recommendations | International Standards equivalent in technical content . 1

    22、2.4 Additional references 1 3 Definitions 1 4 Abbreviations and acronyms 2 5 Conventions 2 6 Conformance testing for ITU-T H.265 | ISO/IEC 23008-2 2 6.1 Introduction . 2 6.2 Bitstream conformance . 2 6.3 Decoder conformance . 2 6.4 Procedure to test bitstreams . 2 6.5 Procedure to test decoder confo

    23、rmance . 3 6.6 Specification of the test bitstreams 5 6.7 Normative conformance test suites for Rec. ITU-T H.265 | ISO/IEC 23008-2. 28 Rec. ITU-T H.265.1 (10/2014) 1 Recommendation ITU-T H.265.1 Conformance specification for ITU-T H.265 high efficiency video coding 1 Scope This Recommendation | Inte

    24、rnational Standard1 specifies a set of tests and procedures designed to indicate whether encoders or decoders meet the normative requirements specified in Rec. ITU-T H.265 | ISO/IEC 23008-2. 2 Normative references 2.1 General The following Recommendations and International Standards contain provisio

    25、ns which, through reference in this text, constitute provisions of this Recommendation | International Standard. At the time of publication, the editions indicated were valid. All Recommendations and Standards are subject to revision, and parties to agreements based on this Recommendation | Internat

    26、ional Standard are encouraged to investigate the possibility of applying the most recent edition of the Recommendations and Standards listed below. Members of IEC and ISO maintain registers of currently valid International Standards. The Telecommunication Standardization Bureau of the ITU maintains

    27、a list of currently valid ITU-T Recommendations. 2.2 Identical Recommendations | International Standards None. 2.3 Paired Recommendations | International Standards equivalent in technical content Recommendation ITU-T H.265 (in force), High efficiency video coding. ISO/IEC 23008-2: in force, Informat

    28、ion technology High efficiency video coding and media delivery in heterogeneous environment Part 2: High Efficiency Video Coding. Recommendation ITU-T H.265.2 (in force), High efficiency coding reference software. ISO/IEC 23008-5: in force, Information technology High efficiency video coding and med

    29、ia delivery in heterogeneous environment Part 2: High Efficiency Video Coding Reference Software. 2.4 Additional references None. 3 Definitions For the purposes of this Recommendation | International Standard, the terms, definitions, abbreviations and symbols specified in Rec. ITU-T H.265 | ISO/IEC

    30、23008-2 (particularly in clause 3) apply. The following terms are further clarified for purposes herein as follows. 3.1 bitstream: A Rec. ITU-T H.265 | ISO/IEC 23008-2 video bitstream. 3.2 decoder: A Rec. ITU-T H.265 | ISO/IEC 23008-2 video decoder, i.e., an embodiment of the decoding process specif

    31、ied by Rec. ITU-T H.265 | ISO/IEC 23008-2. The decoder does not include the display process, which is outside the scope of this Recommendation | International Standard. 3.3 encoder: An embodiment of a process, not specified in this Recommendation | International Standard (except in regard to identif

    32、ication of the reference software encoder), that produces a bitstream. 3.4 reference software decoder: The software decoder provided in Rec. ITU-T H.265.2 | ISO/IEC 23008-5. 3.5 reference software encoder: The software encoder provided in Rec. ITU-T H.265.2 | ISO/IEC 23008-5. _ 1 This Recommendation

    33、 | International Standard includes an electronic attachment containing the conformance bitstreams identified within the text. The conformance bitstreams needed for this Recommendation are available at the following link: http:/handle.itu.int/11.1002/2000/12297. The bitstreams can also be downloaded

    34、from the ITU-T Test Signal Database. 2 Rec. ITU-T H.265.1 (10/2014) 4 Abbreviations and acronyms For the purposes of this Recommendation | International Standard, relevant abbreviations and acronyms are specified in clause 4 of Rec. ITU-T H.265 | ISO/IEC 23008-2. 5 Conventions For the purposes of th

    35、is Recommendation | International Standard, relevant conventions are specified in clause 5 of Rec. ITU-T H.265 | ISO/IEC 23008-2. 6 Conformance testing for ITU-T H.265 | ISO/IEC 23008-2 6.1 Introduction The following clauses specify normative tests for verifying conformance of video bitstreams as we

    36、ll as decoders. Those normative tests make use of test data (bitstream test suites) provided as an electronic annex to this Recommendation | International Standard and the reference software decoder specified in Rec. ITU-T H.265.2 | ISO/IEC 23008-5. 6.2 Bitstream conformance Bitstream conformance fo

    37、r Rec. ITU-T H.265 | ISO/IEC 23008-2 is specified by clause C.4 of Rec. ITU-T H.265 | ISO/IEC 23008-2. 6.3 Decoder conformance Decoder conformance for Rec. ITU-T H.265 | ISO/IEC 23008-2 is specified by clause C.5 of Rec. ITU-T H.265 | ISO/IEC 23008-2. 6.4 Procedure to test bitstreams A bitstream tha

    38、t claims conformance with Rec. ITU-T H.265 | ISO/IEC 23008-2 shall pass the following normative test. The bitstream shall be decoded by processing it with the reference software decoder. When processed by the reference software decoder, the bitstream shall not cause any error or non-conformance mess

    39、ages to be reported by the reference software decoder. This test should not be applied to bitstreams that are known to contain errors introduced by transmission, as such errors are highly likely to result in bitstreams that lack conformance to Rec. ITU-T H.265 | ISO/IEC 23008-2. Successfully passing

    40、 the reference software decoder test provides only a strong presumption that the bitstream under test is conforming to the video layer, i.e., that it does indeed meet all the requirements for the video layer (except Annexes C, D and E) specified in Rec. ITU-T H.265 | ISO/IEC 23008-2 that are tested

    41、by the reference software decoder. Additional tests may be necessary to more thoroughly check that the bitstream properly meets all the requirements specified in Rec. ITU-T H.265 | ISO/IEC 23008-2 including the hypothetical reference decoder (HRD) conformance (based on Annexes C, D and E). These com

    42、plementary tests may be performed using other video bitstream verifiers that perform more complete tests than those implemented by the reference software decoder. Rec. ITU-T H.265 | ISO/IEC 23008-2 contains several informative recommendations that are not an integral part of that Recommendation | In

    43、ternational Standard. When testing a bitstream for conformance, it may also be useful to test whether or not the bitstream follows those recommendations. To check correctness of a bitstream, it is necessary to parse the entire bitstream and to extract all the syntax elements and other values derived

    44、 from those syntactic elements and used by the decoding process specified in Rec. ITU-T H.265 | ISO/IEC 23008-2. A verifier may not necessarily perform all stages of the decoding process specified in Rec. ITU-T H.265 | ISO/IEC 23008-2 in order to verify bitstream correctness. Many tests can be perfo

    45、rmed on syntax elements in a state prior to their use in some processing stages. Rec. ITU-T H.265.1 (10/2014) 3 6.5 Procedure to test decoder conformance 6.5.1 Conformance bitstreams A bitstream has values of general_profile_idc, general_tier_flag, and general_level_idc corresponding to a set of spe

    46、cified constraints on a bitstream for which a decoder conforming to a specified profile, tier, and level is required in Annex A of Rec. ITU-T H.265 | ISO/IEC 23008-2 to properly perform the decoding process. 6.5.2 Contents of the bitstream file The conformance bitstreams are included in this Recomme

    47、ndation | International Standard as an electronic attachment. The following information is included in a single zipped file for each such bitstream. bitstream; decoded pictures or hashes of decoded pictures (may not be present); short description of the bitstream; trace file (results while decoding

    48、the bitstream, in ASCII format). In cases where the decoded pictures or hashes of decoded pictures are not available, the reference software decoder shall be used to generate the necessary reference decoded pictures from the bitstream. 6.5.3 Requirements on output of the decoding process and timing

    49、Two classes of decoder conformance are specified: output order conformance; and output timing conformance. The output of the decoding process is specified in clause 8 and Annex C of Rec. ITU-T H.265 | ISO/IEC 23008-2. For output order conformance, it is a requirement that all of the decoded pictures specified for output in Annex C of Rec. ITU-T H.265 | ISO/IEC 23008-2 shall be output by a conforming decoder in the specified order and that the values of the decoded samples


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