实时数据:候选分辨率即将更改

import cv2

def adjust_resolution(frame, new_width, new_height):
    return cv2.resize(frame, (new_width, new_height), interpolation=cv2.INTER_AREA)

def main():
    cap = cv2.VideoCapture(0)
    while True:
        ret, frame = cap.read()
        if not ret:
            break
        
        # 假设这里有一个逻辑来决定是否需要调整分辨率
        new_width, new_height = 640, 480  # 新的分辨率
        
        if new_width != cap.get(cv2.CAP_PROP_FRAME_WIDTH) or new_height != cap.get(cv2.CAP_PROP_FRAME_HEIGHT):
            frame = adjust_resolution(frame, new_width, new_height)
            cap.set(cv2.CAP_PROP_FRAME_WIDTH, new_width)
            cap.set(cv2.CAP_PROP_FRAME_HEIGHT, new维亚2_height)
        
        cv2.imshow('Video', frame)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    
    cap.release()
    cv2.destroyAllWindows()

if __name__ == "__main__":
    main()