vp8_mc_luma      1921 libavcodec/vp8.c     vp8_mc_luma(s, td, dst[0] + by_off * s->linesize + bx_off,
vp8_mc_luma      1994 libavcodec/vp8.c                 vp8_mc_luma(s, td, dst[0] + 4 * y * s->linesize + x * 4,