Problem: Your platform doesn't suppport hardware accelerated AV1 decoding. Failed to get pixel format.

[MardenSSS]

Hello, I have a problem when using opencv-python:
System information (version)：

• python: 3.8
• opencv-python: 4.8.1.78
• ffmpeg: ffmpeg version 6.0-static https://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2023 the FFmpeg developers

I just want to extract frame, but it got an unexpected error：

Here is my demo code:
`import cv2

video_path = "/home/marden/source/video/sample.mp4"
cap = cv2.VideoCapture(video_path)

if not cap.isOpened():
print("Error: Could not open video file.")
exit()

ret, frame = cap.read()

if not ret:
print("Error: Could not read frame.")
exit()

cv2.imwrite("frame.jpg", frame)

cap.release()`

[weihanchen]

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