CMP 328 libavcodec/hevcdsp_template.c #define CMP(a, b) (((a) > (b)) - ((a) < (b))) CMP 497 libavcodec/hevcdsp_template.c #undef CMP CMP 132 libavfilter/vf_deshake.c #define CMP(i, j) deshake->sad(src1 + cy * stride + cx, stride,\