蓝牙Basic Imaging Profile v1.2.1：依赖与功能概述

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本资源是关于Bluetooth Basic Imaging Profile (BIP) 的一份规范文档，版本为v1.2.1，发布于2019年1月21日，由Audio, Telephony, and Automotive Working Group准备，Bluetooth Special Interest Group (Bluetooth SIG)所有。BIP定义了蓝牙设备支持基础图像传输所需的功能和要求，以确保在基于BIP的使用模型中的设备间实现互操作性。 1.1. **Profile dependencies** - BIP作为一项蓝牙profile，它依赖于其他几个关键profile。这些包括Generic Object Exchange (GOEP)，用于通用对象交换；Serial Port（SPP），确保与早期版本BIP兼容；以及Generic Access Profile (GAP)，负责设备的发现和连接过程。这种依赖关系表明，为了完整实现BIP，开发者需要整合这些基础profile的功能。 **Abstract**部分强调了该规范的目的，即明确BIP的功能和要求，以便不同蓝牙设备能够在基础图像应用场景下协同工作。文档详细列出了功能定义、所需的特性，以及BIP与其他profile的集成情况。 **Revision History**展示了该文档的发展历程，从最初的1.0版本到1.0.1版，主要包含了对E2692 erratum的整合，再到1.1.0版，进行了编辑修订。v1.2.1版本是最后一次更新，采纳了Bluetooth SIG董事会的决策，可能包含了一些重要的技术更新或修正。 **Version History**部分显示了每次修订的主要变化，这表明BIP规范随着时间的推移不断完善，以适应不断发展的蓝牙技术需求。这份BIP v1.2.1规范文档为开发人员提供了实施基础图像功能的基础框架，确保蓝牙设备之间的兼容性和性能，对于任何想要设计或开发支持蓝牙基础图像功能的产品或应用来说，都具有重要的参考价值。

Basic Imaging / Profile Specification

Bluetooth SIG Proprietary Page 14 of 85

capabilities for which support is indicated. All mandatory capabilities and optional and conditional

capabilities for which support is indicated are subject to verification as part of the Bluetooth Qualification

program.

Basic Imaging / Profile Specification

Bluetooth SIG Proprietary Page 15 of 85

3 User interface aspects

3.1 Mode selection

There is a mode associated with the Basic Imaging Profile. It affects how the Imaging Responder is

configured.

Bluetooth Imaging Mode enables the Imaging Responder to maintain a connection and receive

commands from Imaging Initiators. As a result of entering Bluetooth Imaging Mode:

• Devices that wish to be discoverable for a limited period of time shall be in limited discoverable mode

and in connectable mode. It is expected that most implementations will take this approach.

• Devices that wish to be discoverable all the time shall be in general discoverable mode and in

connectable mode.

• Devices that wish to be hidden from devices they never talked to before shall be in non-discoverable

mode and in connectable mode.

The setting of the CoD bits – together with the registration of all the local imaging applications in the SDP

database of the Imaging Responder – may also be influenced by entry into Bluetooth Imaging Mode. Note

that the publication of the present profile is accompanied by the introduction of an Imaging specific Major

Device Class and associated Minor Device Class values in the Assigned Numbers specification [9].

It is recommended that Bluetooth Imaging Mode be entered and exited via user interaction, but

depending on the nature of the Imaging Responder and on the application it is running, this mode may be

entered automatically.

On the inquiring side, limited inquiry as described in [1] is the preferred inquiry procedure.

3.2 Features

There are six features associated with the Basic Imaging Profile:

• Image Push

• Image Pull

• Advanced Image Printing

• Automatic Archive

• Remote Camera

• Remote Display

The Image Push feature pushes one or more images to an Imaging Responder device. As a result of

being pushed, an image could be displayed, stored, buffered, or printed.

The Image Pull feature browses through the images stored on the Imaging Responder device and

downloads one or more of them as requested by the user.

The Advanced Image Printing feature is designed for the usage case where the Imaging Responder is a

printer or printing-enabled device. This feature enables an Imaging Initiator device to specify print job

options and produces richer output than that obtained by using the Image Push feature.

The Automatic Archive feature triggers the Imaging Responder device to download from the Imaging

Initiator device all or part of the images stored on that device. It is up to the Imaging Responder to

determine which images to download; the Automatic Archive feature could, for instance, be combined

with a synchronization application that would retrieve only new images from the Imaging Initiator device.

The Remote Camera feature allows the user of the Imaging Initiator device to view thumbnail size

monitoring images as seen by the Imaging Responder device and trigger the shutter of the Imaging

Responder when desired. The Imaging Responder is a device with image capture capability, such as a

digital still camera.

Basic Imaging / Profile Specification

Bluetooth SIG Proprietary Page 16 of 85

The Remote Display feature allows the user to push images to an Imaging Responder with display

capability and control the display sequence of those images.

These basic imaging features should be triggered by the user. They should not generally be performed

automatically unless such action is the result of a configuration setting that is under user control.

3.3 Example feature sequences

The sequences presented in this section are examples. Variations in implementation are possible and

allowed.

In the following sequences, with the exception of Automatic Archive, pairing can be performed as

necessary and is left to the implementer’s discretion. All devices shall support pairing as defined in the

GAP. In the case of Automatic Archive, it is highly recommended that pairing be a prerequisite to the use

of that feature.

Note that the list of Imaging Responders that is displayed on the Imaging Initiator can be the result of a

simple inquiry. It can also result from an inquiry combined with a name request and/or SDP requests, or it

can consist of a list of previously paired devices that the Imaging Initiator maintains internally.

3.3.1 Example Image Push sequence

When an Imaging Initiator wants to push an image to an Imaging Responder the following sequence can

occur:

Imaging Initiator

Imaging Responder

The user sets the device into Bluetooth Imaging

Mode.

The user of the Imaging Initiator selects the Image

Push feature on the device.

A list of devices is displayed to the user.

The user selects a device to push the image to.

If the selected device does not support the Basic

Imaging Profile, the user is prompted to select

another device.

The user selects an image and sends it.

When the image is received by the Imaging

Responder, the user is asked to accept or reject

the image.

The user is notified of the result of the operation.

3.3.2 Example Image Pull sequence

When an Imaging Initiator wants to browse the images stored on an Imaging Responder, the following

sequence can occur:

Imaging Initiator

Imaging Responder

The user sets the device into Bluetooth Imaging

Mode.

The user of the Initiator selects the Image Pull

feature on the device.

A list of devices is displayed to the user.

Basic Imaging / Profile Specification

Bluetooth SIG Proprietary Page 17 of 85

The user selects a device to pull images from.

If the selected device does not support the Basic

Imaging Profile, the user is prompted to select

another device.

The list of stored pictures is displayed to the user.

The user can at any moment decide to retrieve an

image or a collection of images he or she is

interested in.

The user is notified of the result of the operation.

3.3.3 Example Advanced Image Printing sequence

When an Imaging Initiator wants to print an image, the following sequence can occur:

Imaging Initiator

Imaging Responder

The user sets the device into Bluetooth Imaging

Mode.

The user of the Imaging Initiator selects the

Advanced Image Printing feature on the device.

A list of printers is displayed to the user.

The user selects a printer to push the image to.

If the selected printer does not support the Basic

Imaging Profile, the user is prompted to select

another printer.

The user selects an image or a collection of

images and sends it. The user specifies, for each

individual image, the number of copies to

produce, and (if necessary) a date stamp, a title

stamp, and a frame number stamp.

The printer prints the image(s).

The user is notified of the result of the operation.

3.3.4 Example Automatic Archive sequence

When an Imaging Initiator implements the Automatic Archive feature, the following sequence can occur:

Imaging Initiator

Imaging Responder

The user configures the Imaging Responder for

Bluetooth Imaging Mode (for example, through the

configuration panel of PC operating systems).

The user of the Imaging Initiator selects the

Automatic Archive feature on the device. The

Imaging Initiator connects automatically to the

Imaging Responder (the devices have been

previously paired).

The Imaging Responder device downloads

images from the Imaging Initiator device.

The user is notified of the result of the operation.

By providing the means to identify new and modified images on the Imaging Initiator, the Automatic

Archive feature provides the necessary tools to allow for intelligence in the Imaging Responder’s

download application so that only the necessary images are retrieved.

This feature can be potentially sensitive from a security point of view. Implementers should ensure that

the level of security they chose to provide is appropriate.

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