camera mode

raspberry/requirements.py

@@ -4,5 +4,6 @@ python3-flask-login
 python3-flask-socketio
 python3-serial
 python3-opencv
+python3-picamera
 libjs-jquery
 libjs-bootstrap

raspberry/roberto/camera/camera_pi.py

@@ -8,6 +8,9 @@ class Camera(BaseCamera):
     @staticmethod
     def frames():
         with picamera.PiCamera() as camera:
+            camera.resolution = (1280, 720)
+            camera.exposure_mode = 'sports'
+            camera.framerate = 49
             # let camera warm up
             time.sleep(2)
 

raspberry/roberto/views/frontend/routes.py

@@ -24,8 +24,11 @@ def video_feed():
     """Video streaming route. Put this in the src attribute of an img tag."""
     from roberto import camera
     camera.__init__()
-    return Response(gen(camera),
+    response = Response(gen(camera),
                     mimetype='multipart/x-mixed-replace; boundary=frame')
+    response.headers.add('X-Accel-Buffering', 'no')
+    return response
+
 
 @frontend_blueprint.route('/gamepad.js')
 def gamepad_js():