最近我利用rockchip3588通过qt+opencv调用摄像头，，结果发现失败出现不能打开摄像头的情况，系统用的是buildroot，编译的时候都选 了opencv4库的，不知怎么回事？编译，运行也没啥错误，就是opencv调用摄像头会出现这个问题，，不知啥原因，谁来指教！
Error: Could not open camera
eamer warning: unable to start pipeline
[ WARN:0] global /home/orion/zd_rk/rk3588_linux_sdk_release_20240807/buildroot/output/rockchip_rk3588/build/opencv4-4.5.4/modules/videoio/src/cap_gstreamer.cpp (616) isPipelinePlaying OpenCV | GStreamer warning: GStreamer: pipeline have not been created
[ WARN:0] global /home/orion/zd_rk/rk3588_linux_sdk_release_20240807/buildroot/output/rockchip_rk3588/build/opencv4-4.5.4/modules/videoio/src/cap_v4l.cpp (890) open VIDEOIO(V4L2:/dev/video0): can't open camera by index
