webcamfeed.py

webcamfeed.py

import cv2
import imutils

cap = cv2.VideoCapture(0)

t = cv2.getTickCount()
count = 0
fps = 60.0

while(True):
    if count==0:
      t = cv2.getTickCount()
    # Read the frame
    ret, frame = cap.read()
    #Resize the frame
    frame = imutils.resize(frame, width = 640)
    frame = imutils.resize(frame, height = 480)
    # increment frame counter
    count = count + 1
    # calculate fps at an interval of 100 frames
    if (count == 100):
      t = (cv2.getTickCount() - t)/cv2.getTickFrequency()
      fps = 100.0/t
      count = 0
    # Get frame size
    size = frame.shape[0:2]
    cv2.putText(frame, "{0:.2f}-fps".format(fps), (50, size[0]-50), cv2.FONT_HERSHEY_COMPLEX, 1.5, (0, 0, 255), 3)
    
    # Display the resulting frame
    winname = 'Read Webcam Feed'
    cv2.imshow(winname,frame)
    
    
    #Waits for a user input to quit the application
    key = cv2.waitKey(10)
    mouse = cv2.getWindowProperty(winname,cv2.WND_PROP_VISIBLE)
    if key == 27  or  mouse < 1:
        break

# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()