ISO/IEC INTERNATIONAL STANDARD 19784-4 First edition 2011-03-01 Information technology Biometric application programming interface Part 4: Biometric sensor function provider interface Technologies de I'information - Interface de programmation d'applications biometriques- Partie 4: Interface du fournisseur de fonction du capteur biométrique Reference number ISO/IEC 19784-4:2011(E) IEC Tso @ ISO/IEC 2011 THS under ted without license from IHS Not for Resale ISO/IEC 19784-4:2011(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by Iso member bodies. In COPYRIGHT PROTECTED DOCUMENT ? ISO/IEC2011 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 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2011 - All rights reserved I without license from IHS Not for Resale ISO/IEC 19784-4:2011(E) Contents Page Foreword Introduction. .. vi 1 Scope 2 Conformance 3 Normative references. 4 Terms and definitions .. 5 Symbols, abbreviated terms, data structure definitions and error codes. 5.1 Symbols and abbreviated terms .... 5.2 Data structure definitions and error codes............ 6 Interface architecture... 7 Selecting and loading BFPs and BioAPI_Units... 7.1 Obtaining information about BFPs and BioAPI_Units ... 7.2 Loading BFPs .... 7.2.1 Loading BFPs when attaching to an unspecified BioAPI_Unit, 7.2.2 Loading BFPs when attaching to a specific BioAPI_Unit . 8 BSFPI Definition 8.1 BSFPI data structures.. .5 8.1.1 Control codes .. 8.1.2 BioSFPI_EventHandler.. 8.1.3 BioSFPI_GUI_RESPONSE 8.1.4 BioSFPI_GUI_PROGRESS_EVENT_HANDLER 8.2 BSFP Functions.. 8.2.1 BioSFPI_BSFPLoad... 8.2.2 BioSFPI_UnitAttach..... 8.2.3 BioSFPI UnitDetach... 8.2.4 BioSFPI_QueryUnits ... 8.2.5 10 8.2.6 BioSFPI_ControlUnit.. 11 8.2.7 BioSFPl_Cancel... 8.2.8 BioSFPI_SetPowerMode. 12 8.2.9 BioSFPI_SetGUICallbacks.... 8.2.10 BioSFPI_QueryFormatlnfo 13 8.2.11 BioSFPI_GetPackets .. 14 8.2.12 BioSFPI_DataTransfer.. 15 8.2.13 BioSFPI_SetlndicatorStatus.. 16 8.2.14 BioSFPI_GetlndicatorStatus . 16 8.2.15 BioSFPI_CalibrateSensor.... 17 8.2.16 BioSFPI_SubscribeToGUIEvent... 7 8.2.17 BioSFPI_UnsubscribeFromGUIEvents. 18 Annex A (normative) Imaging biometric sensor units 20 A.1 .20 A.1.1 Bit and Byte ordering .20 A.1.2 Scan sequence .... A.1.3 Pixel aspect ratio. .20 A.1.4 Greyscale pixel depth .. 20 A.1.5 A.1.6 Video interlacing.. 21 Copyrght International Organizaion for Standardization All rights reserved ili Not for Resale