Python 读取rtsp时出现Ubuntu OpenCV错误

系统信息（版本）

OpenCV=4.4.0

操作系统/平台=Ubuntu

编译器=Python 3.6.9

使用RTSP读取视频流时出现编码错误，如下所示。最初，读取过程开始，运行时显示此错误

[hevc @ 0x83b9940] Could not find ref with POC 0

[rtsp @ 0x8325a00] RTP: PT=60: bad cseq ced0 expected=c18a

[rtsp @ 0x8325a00] RTP: PT=60: bad cseq de79 expected=d168

[hevc @ 0x83aefc0] The cu_qp_delta 64 is outside the valid range [-26, 25].

[hevc @ 0x83b9940] Could not find ref with POC 8

[hevc @ 0x83aefc0] CABAC_MAX_BIN : 7

[hevc @ 0x83aefc0] The cu_qp_delta 1094995529 is outside the valid range [-26, 25].

[hevc @ 0x83a05c0] The cu_qp_delta -59 is outside the valid range [-26, 25].

[hevc @ 0x833aa00] The cu_qp_delta 35 is outside the valid range [-26, 25].

代码如下所示

cap = cv2.VideoCapture("rtsp://********@192.168.0.46:33/Streaming/Channels/101",cv2.CAP_FFMPEG) 
cap.set(cv2.CAP_PROP_FPS,3)
if (cap.isOpened()== False):  
    print("Error Opening the file")
previous_face = None
# Read until video is completed 
while(cap.isOpened()):  # Capture frame-by-frame 
    ret, frame = cap.read()
    if(np.shape(frame) != ()):
        frame = cv2.resize(frame, (780, 540), interpolation=cv2.INTER_AREA)
        cv2.imshow('video', frame)

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我们试着在中使用nohup来连续运行它。代码成功开始运行，并正确读取流，但在短时间内（不是在特定的时间间隔内）会抛出错误，并停止运行。

优化代码格式