useDisplayMedia

类别

导出大小

496 B

演示

用法

import { useDisplayMedia } from '@vueuse/core'

const { stream, start } = useDisplayMedia()

// start streaming

start()

const video = document.getElementById('video')

watchEffect(() => {
  // preview on a video element
  video.srcObject = stream.value
})

类型声明

显示类型声明

typescript

export interface UseDisplayMediaOptions extends ConfigurableNavigator {
  /**
   * If the stream is enabled
   * @default false
   */
  enabled?: MaybeRef<boolean>
  /**
   * If the stream video media constraints
   */
  video?: boolean | MediaTrackConstraints | undefined
  /**
   * If the stream audio media constraints
   */
  audio?: boolean | MediaTrackConstraints | undefined
}
/**
 * Reactive `mediaDevices.getDisplayMedia` streaming
 *
 * @see https://vueuse.org.cn/useDisplayMedia
 * @param options
 */
export declare function useDisplayMedia(options?: UseDisplayMediaOptions): {
  isSupported: ComputedRef<boolean>
  stream: ShallowRef<MediaStream | undefined, MediaStream | undefined>
  start: () => Promise<MediaStream | undefined>
  stop: () => void
  enabled:
    | Ref<boolean, boolean>
    | ShallowRef<boolean, boolean>
    | WritableComputedRef<boolean, boolean>
    | ShallowRef<true, true>
    | ShallowRef<false, false>
}
export type UseDisplayMediaReturn = ReturnType<typeof useDisplayMedia>