videoio: obsensor: OB_EXT_CMD10 is defined, but unused.

[Kumataro]

System Information

OpenCV version: 4.x ( b5cf4f1483cb3a3884bbec08f289ba8f7b582b91 ) Operating System / Platform: Ubuntu 24.04 Compiler & compiler version: clang++ 18.1.3

Detailed description

With clang++-18, there is a comile warning in videoio. OB_EXT_CMD10 seems to be no longer to use.

[985/1550] Building CXX object modules/videoio/CMakeFiles...io.dir/src/cap_obsensor/obsensor_uvc_stream_channel.cpp.
/home/kmtr/work/opencv4/modules/videoio/src/cap_obsensor/obsensor_uvc_stream_channel.cpp:48:15: warning: unused variable 'OB_EXT_CMD10' [-Wunused-const-variable]
   48 | const uint8_t OB_EXT_CMD10[16] = { 0x47, 0x4d, 0x04, 0x00, 0x02, 0x00, 0xfa, 0x13, 0x3f, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00 };
      |               ^~~~~~~~~~~~
1 warning generated.

Steps to reproduce

$ cmake -S opencv4 -B build4-main_clang18 -DCMAKE_CXX_COMPILER=clang++-18 -DCMAKE_C_COMPILER=clang-18 -GNinja
$ cmake --build build4-main_clang18
[985/1550] Building CXX object modules/videoio/CMakeFiles...io.dir/src/cap_obsensor/obsensor_uvc_stream_channel.cpp.
/home/kmtr/work/opencv4/modules/videoio/src/cap_obsensor/obsensor_uvc_stream_channel.cpp:48:15: warning: unused variable 'OB_EXT_CMD10' [-Wunused-const-variable]
   48 | const uint8_t OB_EXT_CMD10[16] = { 0x47, 0x4d, 0x04, 0x00, 0x02, 0x00, 0xfa, 0x13, 0x3f, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00 };
      |               ^~~~~~~~~~~~
1 warning generated.

Issue submission checklist

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• [X] I checked the problem with documentation, FAQ, open issues, forum.opencv.org, Stack Overflow, etc and have not found any solution
• [X] I updated to the latest OpenCV version and the issue is still there
• [X] There is reproducer code and related data files (videos, images, onnx, etc)