主题
useUserMedia
反应式 mediaDevices.getUserMedia 流式传输。
¥Reactive mediaDevices.getUserMedia streaming.
示例
用法
¥Usage
js
import { useUserMedia } from '@vueuse/core'
const { stream, start } = useUserMedia()
start()ts
const video = document.getElementById('video')
watchEffect(() => {
// preview on a video element
video.srcObject = stream.value
})设备
¥Devices
js
import { useDevicesList, useUserMedia } from '@vueuse/core'
const {
videoInputs: cameras,
audioInputs: microphones,
} = useDevicesList({
requestPermissions: true,
})
const currentCamera = computed(() => cameras.value[0]?.deviceId)
const currentMicrophone = computed(() => microphones.value[0]?.deviceId)
const { stream } = useUserMedia({
constraints: reactive({
video: { deviceId: currentCamera },
audio: { deviceId: currentMicrophone, }
})
})类型声明
显示类型声明
typescript
export interface UseUserMediaOptions extends ConfigurableNavigator {
/**
* If the stream is enabled
* @default false
*/
enabled?: MaybeRef<boolean>
/**
* Recreate stream when deviceIds or constraints changed
*
* @default true
*/
autoSwitch?: MaybeRef<boolean>
/**
* MediaStreamConstraints to be applied to the requested MediaStream
* If provided, the constraints will override videoDeviceId and audioDeviceId
*
* @default {}
*/
constraints?: MaybeRef<MediaStreamConstraints>
}
/**
* Reactive `mediaDevices.getUserMedia` streaming
*
* @see https://vueuse.org/useUserMedia
* @param options
*/
export declare function useUserMedia(options?: UseUserMediaOptions): {
isSupported: ComputedRef<boolean>
stream: Ref<MediaStream | undefined, MediaStream | undefined>
start: () => Promise<MediaStream | undefined>
stop: () => void
restart: () => Promise<MediaStream | undefined>
constraints: Ref<
| MediaStreamConstraints
| {
audio?:
| boolean
| {
advanced?:
| {
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}[]
| undefined
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}
| undefined
peerIdentity?: string | undefined
preferCurrentTab?: boolean | undefined
video?:
| boolean
| {
advanced?:
| {
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}[]
| undefined
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}
| undefined
}
| undefined,
| MaybeRef<MediaStreamConstraints>
| {
audio?:
| boolean
| {
advanced?:
| {
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}[]
| undefined
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}
| undefined
peerIdentity?: string | undefined
preferCurrentTab?: boolean | undefined
video?:
| boolean
| {
advanced?:
| {
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}[]
| undefined
aspectRatio?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
autoGainControl?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
channelCount?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
deviceId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
displaySurface?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
echoCancellation?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
facingMode?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
frameRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
groupId?:
| string
| string[]
| {
exact?: (string | string[]) | undefined
ideal?: (string | string[]) | undefined
}
| undefined
height?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
noiseSuppression?:
| boolean
| {
exact?: boolean | undefined
ideal?: boolean | undefined
}
| undefined
sampleRate?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
sampleSize?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
width?:
| number
| {
exact?: number | undefined
ideal?: number | undefined
max?: number | undefined
min?: number | undefined
}
| undefined
}
| undefined
}
| undefined
>
enabled: Ref<boolean, MaybeRef<boolean>>
autoSwitch: Ref<boolean, MaybeRef<boolean>>
}
export type UseUserMediaReturn = ReturnType<typeof useUserMedia>