Actualizacion con cambios de miguel

web/frontend/js/capture.js

@@ -24,8 +24,16 @@
     canvas = document.getElementById('canvas');
     photo = document.getElementById('photo');
     startbutton = document.getElementById('startbutton');
-
-    navigator.mediaDevices.getUserMedia({video: true, audio: false})
+    var video_constraints = {mandatory: {
+        maxWidth: 320,
+        maxHeight: 240,
+        maxAspectRatio:4/3,
+        maxFrameRate:60
+    },
+    optional: [ ]
+};
+    //navigator.mediaDevices.getUserMedia({video: true, audio: false})
+    navigator.mediaDevices.getUserMedia({video:video_constraints, audio: false})
     .then(function(stream) {
       video.srcObject = stream;
       video.play();