pip install opencv-python
app.py
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# Python program to illustrate # saving an operated video # organize imports import numpy as np import cv2 # This will return video from the first webcam on your computer. cap = cv2.VideoCapture(0) # Define the codec and create VideoWriter object fourcc = cv2.VideoWriter_fourcc(*'XVID') out = cv2.VideoWriter('output.avi', fourcc, 20.0, (640, 480)) # loop runs if capturing has been initialized. while(True): # reads frames from a camera # ret checks return at each frame ret, frame = cap.read() # Converts to HSV color space, OCV reads colors as BGR # frame is converted to hsv hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV) # output the frame out.write(hsv) # The original input frame is shown in the window cv2.imshow('Original', frame) # The window showing the operated video stream cv2.imshow('frame', hsv) # Wait for 'a' key to stop the program if cv2.waitKey(1) & 0xFF == ord('a'): break # Close the window / Release webcam cap.release() # After we release our webcam, we also release the output out.release() # De-allocate any associated memory usage cv2.destroyAllWindows() |
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# Python program to illustrate # saving an operated video # organize imports import numpy as np import cv2 # This will return video from the first webcam on your computer. cap = cv2.VideoCapture(0) # Define the codec and create VideoWriter object fourcc = cv2.VideoWriter_fourcc(*'XVID') out = cv2.VideoWriter('output.avi', fourcc, 20.0, (640, 480)) # loop runs if capturing has been initialized. while(True): # reads frames from a camera # ret checks return at each frame ret, frame = cap.read() # Converts to grayscale space, OCV reads colors as BGR # frame is converted to gray gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) # output the frame out.write(gray) # The original input frame is shown in the window cv2.imshow('Original', frame) # The window showing the operated video stream cv2.imshow('frame', gray) # Wait for 'a' key to stop the program if cv2.waitKey(1) & 0xFF == ord('a'): break # Close the window / Release webcam cap.release() # After we release our webcam, we also release the out-out.release() # De-allocate any associated memory usage cv2.destroyAllWindows() |
