24 lines
700 B
Python
24 lines
700 B
Python
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cap = cv2.VideoCapture('/dev/video10')
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frames, loopTime, initTime = 0, time.time(), time.time()
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fps = 0
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while True:
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frames += 1
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ret, frame = cap.read()
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if not ret:
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break
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# 现在应该可以直接使用frame，不需要reshape
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if frames % 30 == 0:
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print("30帧平均帧率:\t", 30 / (time.time() - loopTime), "帧")
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fps = 30 / (time.time() - loopTime)
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loopTime = time.time()
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cv2.putText(frame, "FPS: {:.2f}".format(fps), (10, 30),
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cv2.FONT_HERSHEY_SIMPLEX, 1, (0, 0, 255), 2)
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cv2.imshow("MIPI Camera", frame)
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if cv2.waitKey(1) & 0xFF == ord('q'):
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break
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cap.release()
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cv2.destroyAllWindows()
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