import logging
from time import sleep

import cv2
print(cv2.__version__)
def open_video(video_id):
     cap = cv2.VideoCapture(video_id)
     if not cap.isOpened():
         logging.info("无法打开摄像头")
     return cap

class VideoProcessor:
    capture: cv2.VideoCapture

rtsp_url ="rtsp://admin:123456abc@192.168.1.64:554/h264/ch1/main/av_stream"
print("开始读取2")
capture=open_video(2)
vp = VideoProcessor()
vp.capture = capture
fps = vp.capture .get(cv2.CAP_PROP_FPS)
width = int(vp.capture .get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(vp.capture .get(cv2.CAP_PROP_FRAME_HEIGHT))
print(f"fps={fps}")
print("width={width}, height={height}".format(width=width, height=height))

cv2.namedWindow('frame')
i = 0
while True:
    ret, frame = vp.capture .read()
    if ret:
        print("-->")
        cv2.imshow("frame", frame)
        i=i+1
        if i>10:
            break
        # 写入帧到输出文件
        # out.write(frame)
    else:
        logging.info("无法读取图像帧")
        break
    if cv2.waitKey(1) & 0xFF == ord('q'):  # 按'q'退出循环
         break
print("释放2")
vp.capture.release()
cv2.destroyAllWindows()
print("开始读取0")
sleep(2)
vp.capture  = open_video(0)
# # 定义视频编 = open_video(0)码器和输出文件
# fourcc = cv2.VideoWriter_fourcc(*'mp4v')
# out = cv2.VideoWriter('output.mp4', fourcc, fps, (width, height))
while True:
    ret, frame = vp.capture .read()
    if ret:
        cv2.imshow("frame", frame)
        # 写入帧到输出文件
        # out.write(frame)
    else:
        logging.info("无法读取图像帧")
    if cv2.waitKey(1) & 0xFF == ord('q'):  # 按'q'退出循环
         break

vp.capture.release()
# out.release()