ROT_90            764 libavfilter/vf_v360.c         return ROT_90;
ROT_90            909 libavfilter/vf_v360.c     case ROT_90:
ROT_90            935 libavfilter/vf_v360.c     case ROT_90:
ROT_90           2296 libavfilter/vf_v360.c         s->in_cubemap_face_rotation[TOP_MIDDLE]    = ROT_90;
ROT_90           2306 libavfilter/vf_v360.c         s->in_cubemap_face_rotation[BOTTOM_MIDDLE] = ROT_90;
ROT_90           2335 libavfilter/vf_v360.c     s->out_cubemap_face_rotation[BOTTOM_MIDDLE] = ROT_90;