SIST CWA 16926-71:2023

Extensions for Financial Services (XFS) interface specification Release 3.50 - Part 71: Camera Device Class Interface - Programmer's Reference - Migration from Version 3.40 (CWA 16926:2020) to Version 3.50 (this CWA)

This specification shows the modifications made to version 3.40 of CWA 16926-12 in version 3.50.

Specifikacija vmesnika razširitev za finančne storitve (XFS), izdaja 3.50 - 71. del: Vmesnik razreda naprave za kamero - Referenca za programerje - Prehod z različice 3.40 (CWA 16926:2020) na različico 3.50 (ta CWA)

Ta specifikacija prikazuje spremembe različice 3.40 standarda CWA 16926-12 v različici 3.50.

General Information

• Status: Published
• Publication Date: 23-Feb-2023
• ICS: 35.200 - Interface and interconnection equipment
• ICS: 35.240.15 - Identification cards. Chip cards. Biometrics
• ICS: 35.240.40 - IT applications in banking
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 02-Feb-2023
• Due Date: 09-Apr-2023
• Completion Date: 24-Feb-2023
• Ref Project: CWA 16926-71:2023 - Extensions for Financial Services (XFS) interface specification Release 3.50 - Part 71: Camera Device Class Interface - Programmer's Reference - Migration from Version 3.40 (CWA 16926:2020) to Version 3.50 (this CWA)

Standards Content (Sample)

SLOVENSKI STANDARD
SIST CWA 16926-71:2023
01-april-2023

Specifikacija vmesnika razširitev za finančne storitve (XFS), izdaja 3.50 - 71. del:

Vmesnik razreda naprave za kamero - Referenca za programerje - Prehod z
različice 3.40 (CWA 16926:2020) na različico 3.50 (ta CWA)

Extensions for Financial Services (XFS) interface specification Release 3.50 - Part 71:

Camera Device Class Interface - Programmer's Reference - Migration from Version 3.40

(CWA 16926:2020) to Version 3.50 (this CWA)
Ta slovenski standard je istoveten z: CWA 16926-71:2023
ICS:
35.200 Vmesniška in povezovalna Interface and interconnection
oprema equipment
35.240.15 Identifikacijske kartice. Čipne Identification cards. Chip
kartice. Biometrija cards. Biometrics
35.240.40 Uporabniške rešitve IT v IT applications in banking
bančništvu
SIST CWA 16926-71:2023 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST CWA 16926-71:2023
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SIST CWA 16926-71:2023
CEN
CWA 16926-71
WORKSHOP
January 2023
AGREEMENT
ICS 35.200; 35.240.40; 35.240.15
English version
Extensions for Financial Services (XFS) interface
specification Release 3.50 - Part 71: Camera Device Class
Interface - Programmer's Reference - Migration from
Version 3.40 (CWA 16926:2020) to Version 3.50 (this
CWA)

This CEN Workshop Agreement has been drafted and approved by a Workshop of representatives of interested parties, the

constitution of which is indicated in the foreword of this Workshop Agreement.

The formal process followed by the Workshop in the development of this Workshop Agreement has been endorsed by the

National Members of CEN but neither the National Members of CEN nor the CEN-CENELEC Management Centre can be held

accountable for the technical content of this CEN Workshop Agreement or possible conflicts with standards or legislation.

This CEN Workshop Agreement can in no way be held as being an official standard developed by CEN and its Members.

This CEN Workshop Agreement is publicly available as a reference document from the CEN Members National Standard Bodies.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,

Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North

Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2023 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.

Ref. No.:CWA 16926-71:2023 E
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Table of Contents

European Foreword ...................................................................................................... 3

1. Introduction .......................................................................................................... 7

1.1 Background to Release 3.50 ....................................................................................................... 7

1.2 XFS Service-Specific Programming ........................................................................................... 7

2. Banking Cameras ................................................................................................ 9

3. References ......................................................................................................... 10

4. Info Commands ................................................................................................. 11

4.1 WFS_INF_CAM_STATUS ........................................................................................................... 11

4.2 WFS_INF_CAM_CAPABILITIES ................................................................................................ 14

5. Execute Commands .......................................................................................... 17

5.1 WFS_CMD_CAM_TAKE_PICTURE ........................................................................................... 17

5.2 WFS_CMD_CAM_RESET ........................................................................................................... 19

5.3 WFS_CMD_CAM_TAKE_PICTURE_EX .................................................................................... 20

5.4 WFS_CMD_CAM_SYNCHRONIZE_COMMAND ....................................................................... 22

5.5 WFS_CMD_CAM_TAKE_PICTURE_350 ................................................................................... 23

5.6 WFS_CMD_CAM_TAKE_VIDEO ................................................................................................ 25

6. Events ................................................................................................................. 27

6.1 WFS_USRE_CAM_MEDIATHRESHOLD ................................................................................... 27

6.2 WFS_EXEE_CAM_INVALIDDATA ............................................................................................. 28

6.3 WFS_USRE_CAM_VIDEOSTART .............................................................................................. 29

6.4 WFS_USRE_CAM_VIDEOEND .................................................................................................. 30

6.5 WFS_USRE_CAM_VIDEOERROR ............................................................................................. 31

7. C - Header file .................................................................................................... 32

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European Foreword

This CEN Workshop Agreement has been developed in accordance with the CEN-CENELEC Guide 29

“CEN/CENELEC Workshop Agreements – The way to rapid consensus” and with the relevant provisions of

CEN/CENELEC Internal Regulations - –art 2. It was approved by a Workshop of representatives of interested

parties on 2022-11-08, the constitution of which was supported by CEN following several public calls for

participation, the first of which was made on 1998-06-24. However, this CEN Workshop Agreement does not

necessarily include all relevant stakeholders.

The final text of this CEN Workshop Agreement was provided to CEN for publication on 2022-11-18.

The following organizations and individuals developed and approved this CEN Workshop Agreement:

• AURIGA SPA
• CIMA SPA
• DIEBOLD NIXDORF SYSTEMS GMBH
• FIS BANKING SOLUTIONS UK LTD (OTS)
• FUJITSU TECHNOLOGY SOLUTIONS
• GLORY LTD
• GRG BANKING EQUIPMENT HK CO LTD
• HITACHI CHANNEL SOLUTIONS CORP
• HYOSUNG TNS INC
• JIANGSU GUOGUANG ELECTRONIC INFORMATION TECHNOLOGY
• KAL
• KEBA HANDOVER AUTOMATION GMBH
• NCR FSG
• NEXUS SOFTWARE
• OBERTHUR CASH PROTECTION
• OKI ELECTRIC INDUSTRY SHENZHEN
• SALZBURGER BANKEN SOFTWARE
• SECURE INNOVATION
• SIGMA SPA

It is possible that some elements of this CEN/CWA may be subject to patent rights. The CEN-CENELEC policy on

patent rights is set out in CEN-CENELEC Guide 8 “Guidelines for Implementation of the Common IPR Policy on

Patents (and other statutory intellectual property rights based on inventions)”. CEN shall not be held responsible for

identifying any or all such patent rights.

The Workshop participants have made every effort to ensure the reliability and accuracy of the technical and non-

technical content of CWA 16926-12, but this does not guarantee, either explicitly or implicitly, its correctness.

Users of CWA 16926-12 should be aware that neither the Workshop participants, nor CEN can be held liable for

damages or losses of any kind whatsoever which may arise from its application. Users of CWA 16926-12 do so on

their own responsibility and at their own risk.
The CWA is published as a multi-part document, consisting of:
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Part 1: Application Programming Interface (API) - Service Provider Interface (SPI) - Programmer's Reference

Part 2: Service Classes Definition - Programmer's Reference
Part 3: Printer and Scanning Device Class Interface - Programmer's Reference
Part 4: Identification Card Device Class Interface - Programmer's Reference
Part 5: Cash Dispenser Device Class Interface - Programmer's Reference
Part 6: PIN Keypad Device Class Interface - Programmer's Reference
Part 7: Check Reader/Scanner Device Class Interface - Programmer's Reference
Part 8: Depository Device Class Interface - Programmer's Reference
Part 9: Text Terminal Unit Device Class Interface - Programmer's Reference

Part 10: Sensors and Indicators Unit Device Class Interface - Programmer's Reference

Part 11: Vendor Dependent Mode Device Class Interface - Programmer's Reference
Part 12: Camera Device Class Interface - Programmer's Reference
Part 13: Alarm Device Class Interface - Programmer's Reference
Part 14: Card Embossing Unit Device Class Interface - Programmer's Reference
Part 15: Cash-In Module Device Class Interface - Programmer's Reference
Part 16: Card Dispenser Device Class Interface - Programmer's Reference
Part 17: Barcode Reader Device Class Interface - Programmer's Reference
Part 18: Item Processing Module Device Class Interface - Programmer's Reference
Part 19: Biometrics Device Class Interface - Programmer's Reference
Parts 20 - 28: Reserved for future use.

Parts 29 through 47 constitute an optional addendum to this CWA. They define the integration between the SNMP

standard and the set of status and statistical information exported by the Service Providers.

Part 29: XFS MIB Architecture and SNMP Extensions - Programmer’s Reference
Part 30: XFS MIB Device Specific Definitions - Printer Device Class
Part 31: XFS MIB Device Specific Definitions - Identification Card Device Class
Part 32: XFS MIB Device Specific Definitions - Cash Dispenser Device Class
Part 33: XFS MIB Device Specific Definitions - PIN Keypad Device Class
Part 34: XFS MIB Device Specific Definitions - Check Reader/Scanner Device Class
Part 35: XFS MIB Device Specific Definitions - Depository Device Class
Part 36: XFS MIB Device Specific Definitions - Text Terminal Unit Device Class

Part 37: XFS MIB Device Specific Definitions - Sensors and Indicators Unit Device Class

Part 38: XFS MIB Device Specific Definitions - Camera Device Class
Part 39: XFS MIB Device Specific Definitions - Alarm Device Class
Part 40: XFS MIB Device Specific Definitions - Card Embossing Unit Class
Part 41: XFS MIB Device Specific Definitions - Cash-In Module Device Class
Part 42: Reserved for future use.

Part 43: XFS MIB Device Specific Definitions - Vendor Dependent Mode Device Class

Part 44: XFS MIB Application Management
Part 45: XFS MIB Device Specific Definitions - Card Dispenser Device Class
Part 46: XFS MIB Device Specific Definitions - Barcode Reader Device Class

Part 47: XFS MIB Device Specific Definitions - Item Processing Module Device Class

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Part 48: XFS MIB Device Specific Definitions - Biometrics Device Class
Parts 49 - 60 are reserved for future use.

Part 61: Application Programming Interface (API) - Migration from Version 3.40 (CWA 16296:2020) to Version

3.50 (this CWA) - Service Provider Interface (SPI) - Programmer's Reference

Part 62: Printer and Scanning Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version

3.50 (this CWA) - Programmer's Reference

Part 63: Identification Card Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version

3.50 (this CWA) - Programmer's Reference

Part 64: Cash Dispenser Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50

(this CWA) - Programmer's Reference

Part 65: PIN Keypad Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50 (this

CWA) - Programmer's Reference

Part 66: Check Reader/Scanner Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version

3.50 (this CWA) - Programmer's Reference

Part 67: Depository Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50 (this

CWA) - Programmer's Reference

Part 68: Text Terminal Unit Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version

3.50 (this CWA) - Programmer's Reference

Part 69: Sensors and Indicators Unit Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to

Version 3.50 (this CWA) - Programmer's Reference

Part 70: Vendor Dependent Mode Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to

Version 3.50 (this CWA) - Programmer's Reference

Part 71: Camera Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50 (this

CWA) - Programmer's Reference

Part 72: Alarm Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50 (this CWA)

- Programmer's Reference

Part 73: Card Embossing Unit Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version

3.50 (this CWA) - Programmer's Reference

Part 74: Cash-In Module Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50

(this CWA) - Programmer's Reference

Part 75: Card Dispenser Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50

(this CWA) - Programmer's Reference

Part 76: Barcode Reader Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50

(this CWA) - Programmer's Reference

Part 77: Item Processing Module Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to

Version 3.50 (this CWA) - Programmer's Reference

Part 78: Biometric Device Class Interface - Migration from Version 3.40 (CWA 16296:2020) to Version 3.50 (this

CWA) - Programmer's Reference

In addition to these Programmer's Reference specifications, the reader of this CWA is also referred to a

complementary document, called Release Notes. The Release Notes contain clarifications and explanations on the

CWA specifications, which are not requiring functional changes. The current version of the Release Notes is available

online from: https://www.cencenelec.eu/areas-of-work/cen-sectors/digital-society-cen/cwa-download-area/.

The information in this document represents the Workshop's current views on the issues discussed as of the date of

publication. It is provided for informational purposes only and is subject to change without notice. CEN makes no

warranty, express or implied, with respect to this document.
Revision History:
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b3.10 November 29, 2007 Initial Release.

3.20 March 2, 2011 For a description of changes from version 3.10 to version 3.20

see the CAM 3.20 Migration document.

3.30 March 19, 2015 For a description of changes from version 3.20 to version 3.30

see the CAM 3.30 Migration document.

3.40 December 06, 2019 For a description of changes from version 3.30 to version 3.40

see the CAM 3.40 Migration document.

3.50 November 18, 2022 For a description of changes from version 3.40 to version 3.50

see the CAM 3.50 Migration document.
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1. Introduction
1.1 Background to Release 3.50

The CEN/XFS Workshop aims to promote a clear and unambiguous specification defining a multi-vendor software

interface to financial peripheral devices. The XFS (eXtensions for Financial Services) specifications are developed

within the CEN (European Committee for Standardization/Information Society Standardization System) Workshop

environment. CEN Workshops aim to arrive at a European consensus on an issue that can be published as a CEN

Workshop Agreement (CWA).

The CEN/XFS Workshop encourages the participation of both banks and vendors in the deliberations required to

create an industry standard. The CEN/XFS Workshop achieves its goals by focused sub-groups working

electronically and meeting quarterly.

Release 3.50 of the XFS specification is based on a C API and is delivered with the continued promise for the

protection of technical investment for existing applications. This release of the specification extends the

functionality and capabilities of the existing devices covered by the specification:

• Addition of E2E security
• PIN Password Entry
1.2 XFS Service-Specific Programming

The service classes are defined by their service-specific commands and the associated data structures, error codes,

messages, etc. These commands are used to request functions that are specific to one or more classes of Service

Providers, but not all of them, and therefore are not included in the common API for basic or administration

functions.

When a service-specific command is common among two or more classes of Service Providers, the syntax of the

command is as similar as possible across all services, since a major objective of XFS is to standardize function

codes and structures for the broadest variety of services. For example, using the WFSExecute function, the

commands to read data from various services are as similar as possible to each other in their syntax and data

structures.

In general, the specific command set for a service class is defined as a superset of the specific capabilities likely to

be provided by the developers of the services of that class; thus any particular device will normally support only a

subset of the defined command set.

There are three cases in which a Service Provider may receive a service-specific command that it does not support:

The requested capability is defined for the class of Service Providers by the XFS specification, the particular vendor

implementation of that service does not support it, and the unsupported capability is not considered to be

fundamental to the service. In this case, the Service Provider returns a successful completion, but does no operation.

An example would be a request from an application to turn on a control indicator on a passbook printer; the Service

Provider recognizes the command, but since the passbook printer it is managing does not include that indicator, the

Service Provider does no operation and returns a successful completion to the application.

The requested capability is defined for the class of Service Providers by the XFS specification, the particular vendor

implementation of that service does not support it, and the unsupported capability is considered to be fundamental

to the service. In this case, a WFS_ERR_UNSUPP_COMMAND error for Execute commands or

WFS_ERR_UNSUPP_CATEGORY error for Info commands is returned to the calling application. An example

would be a request from an application to a cash dispenser to retract items where the dispenser hardware does not

have that capability; the Service Provider recognizes the command but, since the cash dispenser it is managing is

unable to fulfil the request, returns this error.

The requested capability is not defined for the class of Service Providers by the XFS specification. In this case, a

WFS_ERR_INVALID_COMMAND error for Execute commands or WFS_ERR_INVALID_CATEGORY error

for Info commands is returned to the calling application.

This design allows implementation of applications that can be used with a range of services that provide differing

subsets of the functionalities that are defined for their service class. Applications may use the WFSGetInfo and

WFSAsyncGetInfo commands to inquire about the capabilities of the service they are about to use, and modify

their behavior accordingly, or they may use functions and then deal with error returns to make decisions as to how

to use the service.
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2. Banking Cameras

This specification describes the functionality of the services provided by the Camera (CAM) services under XFS,

by defining the service-specific commands that can be issued, using the WFSGetInfo, WFSAsyncGetInfo,

WFSExecute and WFSAsyncExecute functions.

Banking camera systems usually consist of a recorder, a video mixer and one or more cameras. If there are several

cameras, each camera focuses a special place within the self-service area (e.g. the room, the customer or the cash

tray). By using the video mixer it can be decided, which of the cameras should take the next photo. Furthermore

data can be given to be inserted in the photo (e.g. date, time or bank code).

If there is only one camera that can switch to take photos from different positions, it is presented by the Service

Provider as a set of cameras, one for each of its possible positions.
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3. References

1. XFS Application Programming Interface (API)/Service Provider Interface (SPI), Programmer’s Reference

Revision 3.4050
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4. Info Commands
4.1 WFS_INF_CAM_STATUS

Description This command reports the full range of information available, including the information that is

provided by the Service Provider.
Input Param None.
Output Param LPWFSCAMSTATUS lpStatus;
typedef struct _wfs_cam_status
WORD fwDevice;
WORD fwMedia[WFS_CAM_CAMERAS_SIZE];
WORD fwCameras[WFS_CAM_CAMERAS_SIZE];
USHORT usPictures[WFS_CAM_CAMERAS_SIZE];
LPSTR lpszExtra;
WORD wAntiFraudModule;
DWORD dwMediaSize[WFS_CAM_CAMERAS_SIZE];
} WFSCAMSTATUS, *LPWFSCAMSTATUS;
fwDevice
Specifies the state of the Camera device as one of the following flags:
Value Meaning
WFS_CAM_DEVONLINE The device is online (i.e. powered on and
operable).
WFS_CAM_DEVOFFLINE The device is offline (e.g. the operator has
taken the device offline by turning a switch).
WFS_CAM_DEVPOWEROFF The device is powered off or physically not
connected.
WFS_CAM_DEVNODEVICE There is no device intended to be there; e.g.
this type of self service machine does not
contain such a device or it is internally not
configured.
WFS_CAM_DEVHWERROR The device is inoperable due to a hardware
error.
WFS_CAM_DEVUSERERROR The device is inoperable because a person is
preventing proper operation.
WFS_CAM_DEVBUSY The device is busy and not able to process an
execute command at this time.
WFS_CAM_DEVFRAUDATTEMPT The device is present but is inoperable
because it has detected a fraud attempt.
WFS_CAM_DEVPOTENTIALFRAUD The device has detected a potential fraud
attempt and is capable of remaining in
service. In this case the application should
make the decision as to whether to take the
device offline.
fwMedia […]

Specifies the state of the recording media of the cameras. A number of indexes are defined below.

The maximum fwMedia index is WFS_CAM_CAMERAS_MAX. For a device which stores

pictures and videos on a hard disk drive or other general-purpose storage, the value of the

fwMedia field should be WFS_CAM_MEDIANOTSUPP.
fwMedia [WFS_CAM_ROOM]

Specifies the state of the recording media of the camera that monitors the whole self-service area.

Specified as one of the following flags:
Value Meaning
WFS_CAM_MEDIAOK The media is in a good state.
WFS_CAM_MEDIAHIGH The media is almost full (threshold).
WFS_CAM_MEDIAFULL The media is full.
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WFS_CAM_MEDIANOTSUPP The device does not support sensing the
media level.
WFS_CAM_MEDIAUNKNOWN Due to a hardware error or other condition,
the state of the media cannot be determined.
fwMedia [WFS_CAM_PERSON]

Specifies the state of the recording media of the camera that monitors the person standing in front

of the self-service machine. Specified as one of the following flags:
Value Meaning
WFS_CAM_MEDIAOK The media is in a good state.
WFS_CAM_MEDIAHIGH The media is almost full (threshold).
WFS_CAM_MEDIAFULL The media is full.
WFS_CAM_MEDIANOTSUPP The device does not support sensing the
media level.
WFS_CAM_MEDIAUNKNOWN Due to a hardware error or other condition,
the state of the media cannot be determined.
fwMedia [WFS_CAM_EXITSLOT]

Specifies the state of the recording media of the camera that monitors the exit slot(s) of the self-

service machine. Specified as one of the following flags:
Value Meaning
WFS_CAM_MEDIAOK The media is in a good state.
WFS_CAM_MEDIAHIGH The media is almost full (threshold).
WFS_CAM_MEDIAFULL The media is full.
WFS_CAM_MEDIANOTSUPP The device does not support sensing the
media level.
WFS_CAM_MEDIAUNKNOWN Due to a hardware error or other condition,
the state of the media cannot be determined.
fwCameras [...]

Specifies the state of the cameras. A number of cameras are defined below. The maximum camera

index is WFS_CAM_CAMERAS_MAX.
fwCameras [WFS_CAM_ROOM]

Specifies the state of the camera that monitors the whole self-service area. Specified as one of the

following flags:
Value Meaning
WFS_CAM_CAMNOTSUPP The camera is not supported.
WFS_CAM_CAMOK The camera is in a good state.
WFS_CAM_CAMINOP The camera is inoperative.
WFS_CAM_CAMUNKNOWN Due to a hardware error or other condition,
the state of the camera cannot be determined.
WFS_CAM_CAMRECORDING The camera is recording a video.
fwCameras [WFS_CAM_PERSON]

Specifies the state of the camera that monitors the person standing in front of the self-service

machine. Specified as one of the following flags:
Value Meaning
WFS_CAM_CAMNOTSUPP The camera is not supported.
WFS_CAM_CAMOK The camera is in a good state.
WFS_CAM_CAMINOP The camera is inoperative.
WFS_CAM_CAMUNKNOWN Due to a hardware error or other condition,
the state of the camera cannot be determined.
WFS_CAM_CAMRECORDING The camera is recording a video.
fwCameras [WFS_CAM_EXITSLOT]

Specifies the state of the camera that monitors the exit slot(s) of the self-service machine.

Specified as one of the following flags:
Value Meaning
WFS_CAM_CAMNOTSUPP The camera is not supported.
WFS_CAM_CAMOK The camera is in a good state.
WFS_CAM_CAMINOP The camera is inoperative.
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WFS_CAM_CAMUNKNOWN Due to a hardware error or other condition,
the state of the camera cannot be determined.
WFS_CAM_CAMRECORDING The camera is recording a video.
usPictures […]
Specifies the number of pictures stored on the recording media of the cameras.
A number of indexes are defined below. The maximum usPictures index is

WFS_CAM_CAMERAS_MAX. For a device which stores pictures on a hard disk drive or other

general-purpose storage, the value of the usPictures field should be zero.
Index Meaning
WFS_CAM_ROOM The camera that monitors the whole self-
service area.
WFS_CAM_PERSON The camera that monitors the person
standing in front of the self-service machine.
WFS_CAM_EXITSLOT The camera that monitors the exit slot(s) of
the self-service machine.
lpszExtra

Pointer to a list of vendor-specific, or any other extended, information. The information is

returned as a series of “key=value” strings so that it is easily extensible by Service Providers.

Each string is null-terminated, with the final string terminating with two null characters. An

empty list may be indicated by either a NULL pointer or a pointer to two consecutive null

characters.
wAntiFraudModule
Specifies the state of the anti-fraud module as one of the following values:
Value Meaning
WFS_CAM_AFMNOTSUPP No anti-fraud module is available.
WFS_CAM_AFMOK Anti-fraud module is in a good state and no
foreign device is detected.
WFS_CAM_AFMINOP Anti-fraud module is inoperable.
WFS_CAM_AFMDEVICEDETECTED Anti-fraud module detected the presence of a
foreign device.
WFS_CAM_AFMUNKNOWN The state of the anti-fraud module cannot be
determined.
dwMediaSize […]

Specifies the total size(kilobytes) of pictures and videos stored on the recording media of the

cameras.
A number of indexes are defined below. The maximum dwMediaSize index is

WFS_CAM_CAMERAS_MAX. For a device which stores pictures and videos on a hard disk

drive or other general-purpose storage, the value of the dwMediaSize field should be zero.

Value Meaning
WFS_CAM_ROOM The camera that monitors the whole self-
service area.
WFS_CAM_PERSON The camera that monitors the person
standing in front of the self-service machine.
WFS_CAM_EXITSLOT The camera that monitors the exit slot(s) of
the self-service machine.

Error Codes Only the generic error codes defined in [Ref. 1] can be generated by this command.

Comments Applications which require or expect specific information to be present in the lpszExtra parameter

may not be device or vendor-independent.

In the case where communications with the device has been lost, the fwDevice field will report

WFS_CAM_DEVPOWEROFF when the device has been removed or
WFS_CAM_DEVHWERROR if the communications are unexpectedly lost. All other fields
should contain a value based on the following rules and priority:
1. Report the value as unknown.
2. Report the v
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