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Looks like Sony file (ARW

Looks like Sony file (ARW extension).

For Sony files (with color profile data embedded in file), if use_camera_wb is on, then camera color matrix is used instead of LibRaw built in.

To get same results for use_camera_wb and user_mul set to camera WB values, set use_camera_matrix to 0

-- Alex Tutubalin @LibRaw LLC