I did a mistake, I don't have v4l2compat.so, just only v4l1compat.so and v4l2convert.so in /usr/lib/libv4l/ folder.
I did a mistake, I don't have v4l2compat.so, just only v4l1compat.so and v4l2convert.so in /usr/lib/libv4l/ folder.