react-webcam

Webcam component for React. See this for browser compatibility.

Installation

npm install react-webcam

Demo

https://codepen.io/mozmorris/pen/JLZdoP

Usage

import React from 'react';
import Webcam from 'react-webcam';

class Component extends React.Component {
  render() {
    return <Webcam/>;
  }
}

Props

prop | type | default | notes -----------------|----------|--------------|---------- className | string | '' | CSS class of video element audio | boolean | true | enable/disable audio height | number | 480 | height of video element width | number | 640 | width of video element style | object | | style prop passed to video element screenshotFormat | string | 'image/webp' | format of screenshot onUserMedia | function | noop | callback when component receives a media stream onUserMediaError | function | noop | callback when component cannot receives any media stream width error param audioSource | string | | an array or single ConstrainDOMString(s) specifying the device id videoSource | string | | an array or single ConstrainDOMString(s) specifying the device id

Methods

getScreenshot - Returns a base64 encoded string of the current webcam image. Example:

class WebcamCapture extends React.Component {
  setRef = (webcam) => {
    this.webcam = webcam;
  }

  capture = () => {
    const imageSrc = this.webcam.getScreenshot();
  };

  render() {
    return (
      <div>
        <Webcam
          audio={false}
          height={350}
          ref={this.setRef}
          screenshotFormat="image/jpeg"
          width={350}
        />
        <button onClick={this.capture}>Capture photo</button>
      </div>
    );
  }
}

License

MIT

Credits

Many thanks to @cezary for his work on this component.