onfido-sdk-ui/src/components/utils/camera.js

JavaScript SDK view layer for Onfido identity verification

import { canvasToBlob } from './blob'

export const screenshot = (webcam, callback) => {
  const canvas = webcam && webcam.getCanvas()
  if (!canvas){
    console.error('webcam canvas is null')
    return
  }
  const sdkMetadata = getDeviceInfo(webcam.stream)
  canvasToBlob(canvas, blob => callback(blob, sdkMetadata))
}

export const getRecordedVideo = (webcam, callback) => {
  const blob = webcam.getVideoBlob()
  const sdkMetadata = getDeviceInfo(webcam.stream)
  callback({ blob, sdkMetadata })
}

const getDeviceInfo = (stream) => {
  if (stream) {
    const videoTrack = stream.getVideoTracks()[0] || {}
    const audioTrack = stream.getAudioTracks()[0] || {}
    return {camera_name: videoTrack.label, microphone_name: audioTrack.label}
  }
  return {}
}