/usr/share/obs/libobs/ is in libobs0 0.15.4+dfsg1-1+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/obs/libobs/bicubic_scale.effect
/usr/share/obs/libobs/bilinear_lowres_scale.effect
/usr/share/obs/libobs/default.effect
/usr/share/obs/libobs/default_rect.effect
/usr/share/obs/libobs/deinterlace_base.effect
/usr/share/obs/libobs/deinterlace_blend.effect
/usr/share/obs/libobs/deinterlace_blend_2x.effect
/usr/share/obs/libobs/deinterlace_discard.effect
/usr/share/obs/libobs/deinterlace_discard_2x.effect
/usr/share/obs/libobs/deinterlace_linear.effect
/usr/share/obs/libobs/deinterlace_linear_2x.effect
/usr/share/obs/libobs/deinterlace_yadif.effect
/usr/share/obs/libobs/deinterlace_yadif_2x.effect
/usr/share/obs/libobs/format_conversion.effect
/usr/share/obs/libobs/lanczos_scale.effect
/usr/share/obs/libobs/opaque.effect
/usr/share/obs/libobs/premultiplied_alpha.effect
/usr/share/obs/libobs/solid.effect