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Please provide a debug log. Does it work if you comment out the openCV code? If the camera is accessed via a kernel driver, it may conflict with the direct access from your program. |
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This is a UVC camera: https://linux-hardware.org/?id=usb:1bcf-0b09 |
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I used the libusb library to set the usb camera brightness,failed.
code as follow:
Error: Failed to set brightness!
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