EN 62842-2015 en File allocation system with minimized reallocation for multimedia home server (TA 8).pdf
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1、BSI Standards PublicationFile allocation system with minimized reallocation for multimedia home server (TA 8)BS EN 62842:2015National forewordThis British Standard is the UK implementation of EN 62842:2015.It is identical to IEC 62842:2015. The UK participation in its preparation was entrusted to Te
2、chnicalCommittee EPL/100, Audio, video and multimedia systems and equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct a
3、pplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 85985 4ICS 33.160.60 Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Co
4、mmittee on 29 February 2016.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62842:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62842 December 2015 ICS 33.160.60 English Version File allocation system with minimized reallocation for multimedia home se
5、rver (TA 8) (IEC 62842:2015) Systme dallocation de fichiers avec rallocation minimise pour serveur domestique multimedia (IEC 62842:2015) Multimedia-Homeserversysteme - System zur Dateizuordnung mit minimaler Umverteilung (IEC 62842:2015) This European Standard was approved by CENELEC on 2015-10-14.
6、 CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained
7、 on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to th
8、e CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hu
9、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechn
10、ique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62842:2015 E BS EN 62842:2015EN 62842:2015 2 European forewo
11、rd The text of document 100/2367/CDV, future edition 1 of IEC 62842, prepared by Technical Area 8 “Multimedia home systems and applications for end-use network“ of IEC/TC 100 “Audio, video and multimedia systems and equipment“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
12、 EN 62842:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2016-07-14 latest date by which the national standards conflicting with the document have to be withdrawn
13、(dow) 2018-10-14 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62842:2
14、015 was approved by CENELEC as a European Standard without any modification. BS EN 62842:2015EN 62842:2015 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced
15、 in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modificati
16、ons, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year ISO/IEC 13346 series Information technology - Volume and file structure of wri
17、te-once and rewritable media using non-sequential recording for information interchange - series ISO/IEC 13346-1 1995 Information technology - Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange - Part 1: General - - ISO/IEC 13346-3
18、 1999 Information technology - Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange - Part 3: Volume structure - - ISO/IEC 13346-4 1999 Information technology - Volume and file structure of write-once and rewritable media using non-s
19、equential recording for information interchange - Part 4: File structure - - BS EN 62842:2015 2 IEC 62842:2015 IEC 2015 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references 7 3 Terms, definitions, abbreviations and notation . 7 3.1 Terms and definitions 7 3.2 Abbreviations 11 3.3
20、Notation 11 4 Precondition and the policy 11 4.1 Preconditions 11 4.2 Policy 12 5 Method to be applied-CoPo2 . 12 6 Explanation of basic method CoPo2 14 6.1 Basics . 14 6.2 Two choices to apply CoPo2 to an existing partition scheme . 14 6.2.1 General . 14 6.2.2 Applying to an existing partition . 14
21、 6.2.3 Applying to a virtual container partition 15 6.2.4 Choice conclusion . 16 6.3 Management tables for CoPo2 16 6.3.1 General . 16 6.3.2 Region configuration master partition table 18 6.3.3 Multilevel-divided-partition management tables 18 6.4 Functions required to implement CoPo2 18 6.4.1 Gener
22、al . 18 6.4.2 Initialize . 18 6.4.3 Manage-multilevel-divided-partitions 18 7 Considerations on the size of management tables . 19 7.1 General . 19 7.2 Multilevel-divided-partition allocation table size . 19 7.2.1 Blu-ray . 19 7.2.2 HDD 19 8 Applying CoPo2 to UDF . 19 8.1 Storage media to be applied
23、 . 19 8.2 Basics when UDF volume format is applied to HDD 20 8.3 Basics to apply management tables to UDF 20 8.3.1 Master divided-partition table . 20 8.3.2 Using the implementation use field of the partition descriptor . 20 8.3.3 Multilevel-divided-partition allocation table . 21 9 Data structures
24、applied to UDF 21 9.1 General . 21 9.1.1 Entity identifier 21 9.1.2 IdentifierSuffix . 21 9.2 Volume structure . 21 9.2.1 Logical volume descriptor 21 BS EN 62842:2015IEC 62842:2015 IEC 2015 3 9.2.2 Logical volume integrity descriptor . 22 9.2.3 Partition descriptor 23 9.3 File data structures . 24
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