cameraDevice QML Value Type

Describes a camera device. 更多...

import 语句：

import QtMultimedia

特性

• description : string
• id : string
• isDefault : bool
• position : enumeration
• videoFormats : CameraFormat

详细描述

The cameraDevice value type describes the properties of a camera device that is connected to the system.

The list of camera devices can be queried from the MediaDevices type. To select a certain camera device set it as the device on Camera .

CaptureSession {
    camera: Camera {
        cameraDevice: mediaDevices.defaultVideoInput
    }
}
MediaDevices {
    id: mediaDevices
}
					

特性文档编制

description : string

Holds a human readable name of the camera.

Use this string to present the device to the user.

id : string

Holds he device id of the camera

This is a unique ID to identify the camera and may not be human-readable.

isDefault : bool

Is true if this is the default camera device.

position : enumeration

Returns the physical position of the camera on the hardware system.

The returned value can be one of the following:

常量	描述
cameraDevice.UnspecifiedPosition	The camera position is unspecified or unknown.
cameraDevice.BackFace	The camera is on the back face of the system hardware. For example on a mobile device, it means it is on the opposite side to that of the screen.
cameraDevice.FrontFace	The camera is on the front face of the system hardware. For example on a mobile device, it means it is on the same side as that of the screen.

videoFormats : CameraFormat

Holds the video formats supported by the camera.

内容

• 特性

• 详细描述