getusermedia.js

var webcamStream = null,
    video = document.getElementById('player');

// try go get them all
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia;

document.getElementById('play').addEventListener('click', function(e) {
    navigator.getUserMedia({
        video: true
   },
   function(stream) {
      webcamStream = stream;
      // Stream the data
      // webcamStream is a blob which you can get an URL for with createObjectURL
      video.src = window.URL.createObjectURL(webcamStream);
      video.play();
   },
   function(error) {
      console.log('Video capture error: ' + error.code);
   });
});

document.getElementById('stop').addEventListener('click', function(e) {
    video.pause();
    webcamStream.stop();
});