saveTemplateFileScript.py 文件源码

def getFrameFromCamera():
    name_window = 'camera window'
    cv2.namedWindow(name_window)
    cap = cv2.VideoCapture(0)
    ret, frame_from = cap.read()
    output = []
    while(cap.isOpened()):
        ret, frame = cap.read()
        frame  = cv2.flip(frame, -1)
        if ret==True:
            cv2.imshow(name_window,frame)
            cur_key = cv2.waitKey(1) 
            if cur_key == 27:
                break
            if cur_key == ord('s'):
                output = frame
                break
        else:
            break
    # Release everything if job is finished
    cap.release()
    #out.release()
    cv2.destroyAllWindows()
    return output