import numpy as np
import cv2

cap = cv2.VideoCapture(0)

# Define the codec and create VideoWriter object
#ourcc = cv2.cv.CV_FOURCC(*'XVID')  # cv2.VideoWriter_fourcc() does not exist
#ut = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))
kernel = np.ones((3,3),np.uint8)

while(cap.isOpened()):
    ret, frame = cap.read()
    if ret==True:
#        img = cv2.flip(frame,1)
        # write the flipped frame
#       out.write(frame)
#	dst = cv2.filter2D(frame,-1,kernel)
	imggris = cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
	laplacian = cv2.Laplacian(imggris,cv2.CV_64F)
	sobelx = cv2.Sobel(imggris,cv2.CV_64F,1,0,ksize=3)
	sobely = cv2.Sobel(imggris,cv2.CV_64F,0,1,ksize=3)

        cv2.imshow('frame',frame)
        cv2.imshow('laplacian',laplacian)
        cv2.imshow('sobel en X',sobelx)
        cv2.imshow('Sobel en Y',sobely)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    else:
        break

# Release everything if job is finished
cap.release()
cv2.destroyAllWindows()