ISO/IEC INTERNATIONAL STANDARD 23001-14 First edition 2019-01 Information technology MPEG systems technologies Part 14: Partial file format Technologies de I'information - Technologies des systemes MPEG - Partie 14:Format defichierpartiel Reference number IEC IS0/IEC 23001-14:2019(E) @IS0/IEC 2019 IS0/IEC 23001-14:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0/IEC 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2019 - All rights reserved IS0/IEC 23001-14:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms, definitions, symbols, abbreviated terms and conventions 3.1 Terms and definitions .1 3.2 Abbreviated. terms... 4 Partial file organization. .2 4.1 Object structure.. 2 4.2 Design consideration .2 4.2.1 Features 2 4.2.2 Data layout .3 4.2.3 Box order. 3 4.2.4 Mixed partial files. .4 4.2.5 Processing model .5 5 Box structures .5 5.1 Partial file general boxes .5 5.1.1 Partial file box. .5 5.1.2 Partial file header box .6 5.1.3 Partial segment box. ..6 5.1.4 Partial segment header box .7 5.1.5 Partial data box. 5.1.6 Partial segment location box. 9 5.1.7 Partial top level entry point box 10 5.1.8 Source URL box ..11 5.2 Partial file IsO base media file helpers .12 5.2.1 General. .12 5.2.2 Box file index box .12 5.2.3 Box index box .13 5.2.4 Data integrity box. .14 5.2.5 Data integrity hash box ..14 5.2.6 Front part box 16 Annex A (normative) Partial file MIME type registration ..18 Bibliography .20 @ IS0/IEC 2019 - All rights reserved iii