useDevicesList

类别

Sensors

导出体积

1.2 kB

上次更改

3 days ago

示例

源码

相机 (0)

麦克风 (0)

扬声器 (0)

用法

import { useDevicesList } from '@vueuse/core'

const {
  devices,
  videoInputs: cameras,
  audioInputs: microphones,
  audioOutputs: speakers,
} = useDevicesList()

请求权限

要请求权限，请使用 ensurePermissions 方法。

const {
  ensurePermissions,
  permissionGranted,
} = useDevicesList()

await ensurePermissions()
console.log(permissionsGranted.value)

组件

vue

<template>
  <UseDevicesList v-slot="{ videoInputs, audioInputs, audioOutputs }">
    摄像头：{{ videoInputs }}
    麦克风：{{ audioInputs }}
    扬声器：{{ audioOutputs }}
  </UseDevicesList>
</template>

类型声明

typescript

export interface UseDevicesListOptions extends ConfigurableNavigator {
  onUpdated?: (devices: MediaDeviceInfo[]) => void
  /**
   * 如果权限未授予，则立即请求权限，否则标签和设备 ID 可能为空
   *
   * @default false
   */
  requestPermissions?: boolean
  /**
   * 请求媒体权限类型
   *
   * @default { audio: true, video: true }
   */
  constraints?: MediaStreamConstraints
}
export interface UseDevicesListReturn {
  /**
   * 所有设备
   */
  devices: Ref<MediaDeviceInfo[]>
  videoInputs: ComputedRef<MediaDeviceInfo[]>
  audioInputs: ComputedRef<MediaDeviceInfo[]>
  audioOutputs: ComputedRef<MediaDeviceInfo[]>
  permissionGranted: Ref<boolean>
  ensurePermissions: () => Promise<boolean>
  isSupported: ComputedRef<boolean>
}
/**
 * 响应式 `enumerateDevices` 列出可用的输入/输出设备
 *
 * @see https://vueuse.org/useDevicesList
 * @param options
 */
export declare function useDevicesList(
  options?: UseDevicesListOptions,
): UseDevicesListReturn